2015 – Yearbook SAMGA

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015 307 3676
info@subtrop.co.za
13 Peace Street, Arborpark, Tzaneen

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2015

7

Chairman Report
Epidemiology and control of mango blossom in South Africa
Identification and biocontrol of Fusarium spp. responsible for mango blossom malformation
Non-volatile leaf active compounds in the protection against mango gall fly
Evaluation of suppression methods for controlling the fruit flies in mango orchards
Can we tame the gall fly?
Evaluation of promising new mango cultivars and selections in different climatic areas (2014/15)

2014

9

Chairman’s Report
Control of mango blossom malformation in South Africa
Fruit flies and mango production
Evaluation of promising new mango cultivars and selections in different climatic areas (2013/14)
Beheer van bloeiselmisvorming op mango’s met ‘n chemiese behandeling
Volatile secondary mango metabolites as a trigger for the emergence of Procontarinia from the gall
Best orchard practices for the control of mango blossom formation in South Africa: Preliminary Report
Investigation into fruit fly control measures
Identification of the pathogen responsible for blossom malformation in South African orchards

2013

7

Further investigation into the status and control of mango blossom malformation in the Hoedspruit Area
Kommersiële beheer van bloeiselvorming op mango’s
Control of Fusarium flower malformation on mango by application of plant extracts and fungicides
Metabolic profiling of various mango cultivars to determine biomarkers for the protection against Fusarium and Procotarinia infestation
Evaluation of promising new mango cultivars and selections in different climatic areas (2012/2013)
Fine tuning a rapid method to determine the concentration of prochloraz in the fungicide bath and best practices for the use of prochloraz in the mango pack house
Best orchard practices for the control of mango blossom malformation in South Africa: Preliminary report

2011

3

Quality control in pack houses including prochloraz stripping effect
Semi-commecial gamma-irradiation of mangoes for market access
The effect of post-harvest pack house treatment of mangoes with Sporekilltm as part of a mango packline on lenticel damage

2010

5

The role of secondary metabolites in the management of mango gall fly infestations
Die regte spuitprogram maak ‘n verskil op mango’s
AgriGold (Shelflife), an alternative disinfectant, tested in mango pack houses as part of the pack house procedure
Gamma-irradiation of mangoes
Developing a systems approach for risk mitigation of Sternochetus mangiferae (F.) (Coleoptera: Curculioidae), in South Africa

2009

8

The potential use of hot water treatments on mangoes as a mitigation treatment for South African pests
The effect of gamma irradiation on mango quality
The effect of selected terpenes on lenticel discolouration in mango fruit
Scale insect and mealybug survey on three mango export cultivars in Limpopo ad Mpumalanga provinces
Fruit flies – efficacy of traps in predicting fruit infestation levels
Fruit flies – chemical control
The mango gall fly: An overview
Effect of pre-harvest application of essential oils on mango pathogens

2008

9

Developing a mango programme for optimum mango yield and quality
Effect of placing paper sleeves over ‘Tommy Atkins’, ‘Kent’ or ‘Keitt’ mangoes prior to harvest on disease incidence and fruit physico-chemical characteristics after extended cold storage
Effect of pre-harvest polymer coating of ‘Tommy Atkins’, ‘Kent’ or ‘Keitt’ mangoes on disease incidence and fruit physico-chemical characteristics after extended cold storage
Control of post-harvest mango pathogens using essential oil-supplemented coatings
Determining the effect of the addition of Wetcit to a standart fungicide program and Wetcit alone on the efficacy of controlling mango post-harvest diseases
Assessment of the efficacy of mono-potassium phosphate in controlling powdery mildew (Oidium mangiferae) in mango inflorescences in relation to concentration and stage of inflorescence development
Assessment of spray application of mono-potassium phosphate as a non-chemical measure to control powdery mildew (Oidium mangiferae in mango inflorescences
‘n Ondersoek na die effektiwiteitsjurwe van tiametoksam (Actaratm 240SC) in vergelyking met die duur e intensiteit van eierlegging van die mangosnuitkewer, Sternochetus mangiferae (Coleoptera: Curculionidae)
Secondary metabolites as protection against mango gall fly

2007

16

Verbruikers se houdings, persepsies en behoeftes omtrent mango’s en mangoprodukte
Kleinhandelaarsgroepe en straatverkopers se houdings oor en persepsies van mango’s en mangoprodukte
Voorkom lentiselskade deur korrekte voor- en na-oespraktyke
Literature review on mango weevil, Sterochetus mangiferae (Fabricious) (Coleoptera: Curculionidae)
Bevolkingsdinamika van die mangosnuitkewer, Sternochetus mangiferae (F.) (Coleoptera Curculioidae), in Suid-Afrika
A sampling system for mango weevil eggs in orchards
In vitro hitteweerstand tussen lewensfases van die Marula-, Natalse en Mediterreense vrugtevlieg (Diptera: Tephritidae)
Verband tussen mango vlugtig organiese verbinds en galvlief-aanvalle
Bibliography of Sternochetus
Die effek wat die byvoeging van Sporekill®tot ‘n standaard koperbespuiting het vir die beheer van na-oessiektes van mango’s
Assessment of spray application of mono-potassium phosphate as a non-chemical measure to control powdery mildew (Oidium mangiferae) in mango inflorescences
Assessment of the efficacy of mono-potassium phosphate in controlling powdery mildew (Oidium mangiferae) in mango inflorescences in relation to concentration and stage of inflorescence development
Effect of placing paper sleeves over Tommy Atkins, Kent or Keitt mangoes, prior to harvest, on disease incidence and fruit physico-chemical characteristics after extended cold-storage
Effect of pre-harvest polymer coating of Tommy Atkins, Kent or Keitt mangoes on disease incidence and fruit physico-chemical characteristics after extended cold-storage
Biologiese metode vir die opsporing van prochloraz in ‘n kommersiële swamdoderoplossing
Sanitasie van prochloraz-oplossings in kommersiële mangopakhuise

2006

20

Biological control of the mango scale Aulacaspis tubercularis Newstead (Coccidae: Diaspididae) by a parasitoid Aphytis chionaspis Ren (Hymenoptera: Aphelinidae)
Monitoring mango weevil eggs in orchards
Fruit flies and the time of mango fruit infestation
The mango seed weevil, Sternochetus mangiferae
Die strategiese plasing van swamdoders in standaard spuitprogramme om meer effektiewe beheer van na-oessiektes te verkry
The effect of different pre-harvest copper applications on controlling post-harvest mango diseases
The effect of spray volume and addition of adjuvants on post-harvest mango disease
Control of mango diseases (bacterial black spot, anthracnose, stem-end rot and soft brown rot) by the use of systemic inducing resistance chemicals Bion and phosphorous acid
Salt as post-harvest treatment for post-harvest diseases
The use of alternative products for control of pest-harvest diseases on mango fruit
Post-harvest chemical control of mango diseases
Prochloraz A: Biodegradation in commercial mango fungicide baths
Prochloraz B: Indirect biological method to determine prochloraz concentration
Chairman’s Report 2005/6
Emission profile of volatile terpenoids throughout fruit development of ev. Keitt
Comparing terpenoid profiles of fruit and leaves of four South African mango cultivars – a preliminary study
Development of skin moisture and pulp nitrogen content parameters for the control of lenticel damage in ‘Tommy Atkins’ and ‘Keitt’ mangoes
Proposed procedure for mango pulp and skin moisture content measurements
A practical approach to reduce lenticel damage in mangoes
Effect of pre-packing storage of mango fruit on lenticel damage

2005

13

Chairman’s Report / Voorsittersverslag 2004/05
Following our noses – some change of direction in lenticel research
Development of a moisture content based maturity measurement procedure to identify prematurely ripened Tommy Atkins mangoes on the local market
Effect of harvesting practices on lenticel damage of mangoes
Effect of packhouse conditions on lenticel damage of mangoes: Part 1
Effect of packhouse conditions on lenticel damage of mangoes: Part 2
Pluk- en pakprosedures in die Suid-Afrikaanse mangobedryf, met besondere verwysing na lentiselskade
Status of biological control of mango scale in the South African mango industry
VrugtevliegbesmeHing by mangovrugte
Actara® 240S( applied as a soil drench for the control of mango scale insects and mealybugs in mangoes
The efficacy of Actara® 240S( for mango seed weevil (Sternochetus mangiferae) control in mangoes
Die effek van semi-kommersiële voor-oesspuitprogramme in kombinasie met na-oes chemiese behandelings op bederf van mango’s
Die effek van fludioxonil en prochloraz na-oesbehandelings op bederf van mango’s

2003

23

Determination of the stripping rate of prochloraz from fungicide solutions in commercial mango packhouses
Effect of strategically placed systemic fungicides on the control of postharvest stem-end rot (SER) on mango
Alternative disease control strategies Chemical and biological control, plant growth promoting and/or systemic acquired resistance compounds
Evaluation of alternatives to copper oxychloride for the control of bacterial black spot – Further progress
Evaluation of a light narrow mineral oil, a mango scale control agent, on five mango cultivars for sun burn, lenticel damage and colouring
Die beheer van sitrusblaaspootjie, Scirtothrips aurantii Faure (Thysanoptera: Thripidae), op mango
Control of mango scale insect and mealybugs using systemic chemicals: Determining the correct application rates
The using mineral oils for pest control in mangoes: The second season of trials
Control of mango scale insects using oils – the effects of oil on three commercial mango cultivars
Evaluation of several products for control of mango scale (Aulacaspis tubercularis) on mangoes
Laboratory and field trials for control of mango scale insects using environmentally friendly products
‘n Omgewingsvriendelike benadering tot die beheer van insekplae op mango’s
Evaluating alternatives to fipronil for: the control of thrips on mango
Biologie van galvlieg
Irradiation as a quarantine treatment and the effect on mango quality
Ontwikkeling van morfologie van die epidermale laag van mangovrugte, insluitend ‘n ondersoek na lentiselstrukture
Lentiselverkleuring op die vrugte van Tommy Atkins- en Keitt-mango’s
Sunburn control in mango orchards using white reflectants
Maturation pattern of cv. Tommy Atkins mango fruit at Bavaria Estates during the ABSTRACT 2002/03 season
Mineral content of cv. Tommy Atkins mango fruit at Bavaria Estates during tlie ABSTRACT 2002/03 season
Evaluasie van ingevoerde mangokultivars – 2002/03
Update on the mango cultivar evaluation program – 2002 / 2003
Chairman’s report 2002/03

2002

25

Chairman’s Report 2001/02
‘n Terugblik en herinnering aan die mangobedryf
Die evaluasie van ingevoerde mango-kultivars
Gall fly on mango
Evalution of orchard sprays with quaternary ammonium compounds for the control of post-harvest diseases on mango fruit
The use of kaolin against insect pests of mangoes
Lenticel damage in mango: Influence of harvest date and cold-storage conditions
Evaluation of products for the control of citrus thrips Scirtothrips aurantii Faure (Thysanoptera: Thripidae) on mango
Changes to the epicuticular wax layer of mango (cv Kent) due to handling along a commercial packline
Further investigations into control of bacterial black spot with copper sprays
Evaluation of four mineral oils for control of mango scale (Aulacaspis tubercularis) on mango
Evaluation of orchard dips for reduction of sapburn, lenticel damage and post-harvest diseases on mango – Final report
Control of mango scale and mealybugs using systemic chemicals
Chemical control of post-harvest diseases of mango – the effect of prochloraz, thiabendazole and fludioxonil on Soft Brown rot, stem-end rot and Anthracnose
Optimization of irrigation management in mango orchards
Evaluation of alternatives to copper oxychloride for the control· of bacterial black spot – progress report
Colouring up green skin cultivars
Mango cultivar evaluation program, 2001/02
Control of mango scale insects using mineral oils
Laboratory screening of chemicals for the control of mango scale
Alternative control measures for thrips on mangoes
preliminary survey of a mango nursery and associated orchards to establish the status of endophytic Botryosphaeria .spp.
Effects of pre-harvest spraying of Bacillus licheniformis and copper for the control of mango diseases
Assessment of Bacillus licheniformis for control of mango post-harvest diseases
‘n Gewasgeorienteerde bestuurstelsel vir mango’s in die Hoedspruit-area

2001

14

Chairman’s Report for the 2000/01 fiscal year
The effect of chemical treatments applied during the blossom period on the control of post-harvest decay on mango
Evaluating biological control systems for mango post-harvest disease control
Die-back of mangoes in South Africa
Controlled atmosphere storage of mango: Recent trial results
A simple, effective additive to copper oxychloride sprays to enhance the control of bacterial black spot of mango
‘n Gewasgeorienteerde bestuurstelsel vir mango’s in die Hoedspruit-area
Floral induction in mango
Alternative methods for preventing preand post-harvest diseases and sunburn on mango fruits
Anthracnose of mango – an overview
Evaluation of orchard dips for reducing post-harvest diseases, sapburn and lenticel damage on mango
Mango cultivar evaluation program: Progress report of 2000101 season
Optimization of irrigation management in mango orchards
Comparison of Botryosphaeria isolates with diverse host ranges

2000

17

SAMGA CHAIRMANS REPORT FOR 2000 SAMKV VOORSITTER SE VERSLAG 2000
Remedial Measures Technique: Applications and Results
Optimization of Irrigation Management by Determination of Water and Carbon Demands in Mango Trees
Effect of Shading Upon Incidenses of Bacterial Blackspot and Sunburn, Flowering, Yield and Fruit Quality in Mango
n Gewas Georiënteerde Bestuurstelsel vir Mangos in die Hoedspruit Area
Tree Shaping Strategies for Higher Density Mango Orchards
Updating Present Mango Storage Parameters
The Potential fo Disease Predictions: Tools to Measure the Efficacy of Orchard and Packhouse Management Practices, and to Predict Quality of Fruit on the Export Market
Results of Trials on Bacterial Black Spot and Anthracnose
Efficacy of Agry-gent for Control of Bacterial Black Spot (Xanthomonas campestris pv. mangiferaeindicae) in Mango
Alternative Control of Post-harvest Fruit Diseases of Mango
Field Evaluation of Insecticides for the Control of Twig Miner on Mango
Efficacy of Different Insecticides Against Gall Fly on Mangoes
Effectiveness of the Predatory Beetle, Cybocephalus Binotatus, in Controlling Mango Scale Populations in Commercial Orchards
Controlled Atmosphere (CA) as a Post-harvest Treatment Against Fruit Flies in Mangoes
Progress Made on Mango Cultivar Evaluation Program
Teling en Ontwikkeling van Verbeterde Mango Kultivars

1999

23

SAMGA CHAIRMANS REPORT FOR 1999 SAMKV VOORSITER SE VERSLAG 1999
A Perspective on the South African Mango Industry (past & future)
Determination of Optimum Leaf Nutrient Concentration Norms for a Number of Mango Cultivars: Year II
Starch Reserves in the Mango Tree
Uptake, Distribution and Requirements of Macro-elements in Sensation Mango Trees
The Relationship between Tree Dimensions, Yield and Nutritional Requirements in Mango
Use of the Remedial Measures Technique to Enhance Fruit Quality in Mango
Progress Report: Effect of Shading on Disease, Pest, and Sunburn Incidence, and on Water Usage, Flowering, Yield and Fruit Quality in Mango Trees
Assessment of Increased Insulation on the Cooling Efficiency of Refrigerated Trailers Carrying Mangoes to Cape Town Harbour
Assessment of the Effect of Blocking the Spaces Between the Pallets in a Refrigerated Port-hole Container Packed with Mangoes on Cooling Efficiency During Shipment
Effects of Each of the Stages in the Pack-line on the Incidence of Lenticel Damage in Keitt and Tommy Atkins Mango
Evaluation of the Mango Anthracnose Prediction Models for the Control of Anthracnose and Soft-brown rot in Mango
Development of an Early Disease Warning System for Mango by Timely Fruit and Tree Detection of the Pathogens causing Anthracnose and Soft-brown Rot
Control of Bacterial Black Spot
Control of Bacterial Black Spot with Modified Copper Sprays
Post Harvest Fungal Rot of Mango Fruit: From Orchard to Storage
Critical Point Evaluation of Mangoes after Packhouse Treatments
Die Beheer van Vrugtevliee met die M3 Vrugtevlieglokval
Hot Water Immersion as a Quarantine Treatment for Control of Fruit Fly
The Effect of Gamma Irradiation on Seed Weevil, Fruit Flies and Fruit Quality of Different Mango Cultivars
Verenigbaarbeid van Insek- en Swamdoder Bebandelings by Mango’s in ‘n Geintegreerde Plaagbebeer Program
Evaluation of Promising Mango Cultivars
Results from the Mango Breeding and Scion Evaluation Programme

1998

17

Use of the pulsFog® to Control Diseases in Mango
Effect of the Inclusion of Desogerme S.P. Vegetals in the Packline Hot-water Bath on Postharvest Diseases in Mango
Biological Control of the Mango Scale, Aulacaspis tubercularis, in South Africa
Omvang van die LNR-ITSG Mangoteel en Evaluasie Program
Chairman’s Report
Determination of Optimum Leaf Nutrient Concentration Norms for a Number of Mango Cultivars: Year I
Effect of Fertiliser Applications to the Soil after Harvest on Leaf Nutrient Concentrations in Mango
Effect of Environmental Conditions at Harvest on the Incidence of Lenticel Damage in Mango
Determination of Cool-temperature Requirement for Flowering in Various Mango Cultivars
The Effect of Hot Water Treatment on Sensation and Heidi Fruit Quality
Warm Water Behandeling as ‘n Kwarantynmaatreel vir Vrugtevliegbesmette Mango’s
Experiments on Extended Controlled Atmosphere Storage of Heidi Mango: 1998
Temperature Variations in Refrigerated Motorised Transporters
Temperature Variations and Differences in Port-hole Containers
Control of Bacterial Black Spot in Mango
Cost Reduction of Powdery Mildew Control in Mango with Mono Potassium Phosphate
Preliminary Study of Disease Prediction in Mango Using Environmental Cues

1997

8

Tree Size Maintenance Pruning of Mango Trees after Harvest: Is Cropping Negatively Affected or Not?
Pruning and Training Strategies for Tommy Atkins and Sensation Mango Trees in Higher Density Hedgerow Systems
Chairman’s Report
Relationship between Leaf Nutrient Concentrations and Cropping or Fruit Quality in Mango
Macro Elements in Mango Trees: Uptake and Distribution
Macro Elements in Mango Trees: Requirement Guidelines
Variation of Leaf Nutrition Status in Relation to Fruit Growth in Mango
The Effect of Calcium and Magnesium Chelate Sprays at Flowering on Fruit Quality and Physiological Disorders in Mango

1996

17

Quality Evaluations of Sea-Exported South African Mangoes in Europe during the 1995/96 Season
Effect of Packline Hydro-heating Treatments on Heidi Fruit Quality after four weeks of Cold-storage
Aetiology and Potential strategy for preventing Post harvest Physiological Ailments in ‘Heidi’ Mango fruit
Fruit Flies Attacking Mangoes – Their Importance and Post Harvest Control
Establishment of Aphytis sp. (Hymenoptera: Aphelinidae) and Cybocephalus binotatus Grouvelle (Coleoptera: Nitidulidae) in Mango Orchards in South Africa for Control of the Mango Scale, Aulacaspis tubercularis Newstead (Homoptera: Diaspididae)
Differential Susceptibility of Eleven Mango Cultivars to Galling by Mango Gall Fly (Procontarinia matteiana Kieffer & Cecconi (Diptera: Cecidomyiidae)).
Effect of KNO3 Spray to Flowering Mango Trees on Fruit Retention, Fruit Size, Tree Yield, and Fruit Quality.
The Role of Training Systems in Maintaining Higher Density Mango Orchards
Mango Leaf Analysis Survey Report 1995/96: Laboratory Variation, and Relationship Between Leaf Nutrient Concentration, and Fruit Yield and Quality
The Effect of Time of Pruning and Fruit Thinning on Yield and Fruit Quality of ‘Sensation’ Mangoes
Preliminary Report on the Time of Infection of the Soft Brown Rot Pathogen Natrassia Mangifrrae in Mango
Incidence of Colletotrichum gloeosporioides from Different Mango Producing Areas and Preliminary Comparison of Isolates
Alternative Strategies for Control of Mango Fruit Diseases
Evaluation of Pre-harvest Fungicides for the Control of Postharvest Diseases in Mangoes
Gevestigde en Nuwe Fasette van die Mangoteelprogram
Vroeë Produksiedata uit die Mango Fase II Kultivar Evaluasies
Chairman’s Report / Voorsitter se verslag – 1996

1995

26

Welcoming Address
Pruning of Mango Trees: An Update
Ecophysiology of the Mango Tree as a Basis for Pre-harvest Management
The Energy Demand of Fruit Production and its Effect on Fruit Size in Sensation
Effect of Aqueous Application of GA3 on Flowering of Mango Trees: Why in Certain Instances is Flowering Prevented, and in Others Flowering is Only Delayed?
Influence of Pruning on the Flower Sex Ratio in some Mango Cultivars
Effect of Post-bloom Aqueous Spray Application of GA3, NAA, and CPPU on Fruit Retention, Fruit Size, and Yield in Tommy Atkins and Heidi Mango
Effect of Time and Severity of Fruit Thinning on Fruit Retention, Fruit Size, Tree Yield, and Tree Revenue in Sensation Mango
The Effect of Tree Manipulation and Fruit Thinning on Tree Yield, and Fruit Size and Quality in Sensation Mango
The Effect of Calcium and Potassium Foliar and Fruit Sprays on Sensation Mango Leaf Nutrient Concentrations and Fruit Quality
Field Survey Method for Determining Mango Leaf Norms
Effect of Hydro-cooling on Field Heat Removal of Mangoes, and of Differing Water Temperatures on Fruit Quality after Four Weeks of Cool-storage
Huidige Status van die Mangokultivar-evaluasieprogram (Pase II)
Current Mango Research Initiatives of the Postharvest Section at the Research Institute for Tropical and Subtropical Crops
Towards Alternative Disease Control in Mango
Selective Medium for Isolating Nattrassia mangiferae
Evaluation of Fungicides Applied Pre-harvest on the Incidence of Postharvest Diseases
Evaluation of Commercial Packhouse Fruit Treatment Systems for the Control of Postharvest Diseases in Mango
Short Wave Infra-red Radiation as an Alternative to the Hot Water Bath for the Control Postharvest Disease in Mango
The Natural Occurrence of Insect Pollinators in a Mango Orchard: Final Report
Pollination of Mango in the Letsitele Valley During the 1994 Flowering Season
Alternative Measures for Controlling Mango Seed Weevil, Sternochetus mangiferae (F.)
Differences in Leaf Gall Incidence between Mango Cultivars
Die Voorkoms van die Sitrusblaaspootjie (Scirtothrips aurantii Faure) op Mangovrugte
Voorkoms en Moontlike Altematiewe Beheermetodes vir die Beheer van Vrugtevliee op Mango’s
Eerste Suksesvolle Invoer van Parasitoiede van die Mangodopluis (Aulacaspis tubercularis Newstead) na Suid-Afrika

1994

24

Ingevoerde Parasiete van die Mangodopluis, Aulacaspis tubercularis, en die Effek van Fention op die Mangodopluisparasitoid. Aspidiotiphagus citrinus
The Occurrence of Thrips on Mango Inflorescences
Observation on the Fruit Fly Species Attacking Mango in South Africa
Pruning of Sensation Mango Trees to Maintain Their Size and Effect Uniform and Later Flowering
Developing a Growth Model for the Mango
Plant Growing Media and Nutrition in Mango Nurseries
Die Invloed van Boor op die Groei van Mango-saailinge
Sexual Compatibility Between Different Mango Cultivars
Waterbehoefte en Besproeiing van Volwasse Mangobome
Preliminary Results of Calcium and Potassium Uptake from Foliar Sprays on Sensation Mango
The Background Skin Colour of Exported Mango Fruit in Relation to Tree Nitrogen Status
Die Effek van die Verseeling van Volwasse-groen Sensation Mango’s in Deurlaatbare Poli-etileen Sakke op Vrug Kwaliteit na Rypwording
Die Effek van Koelopberging by 4 of 8°C op die Tempo van Kwaliteit Verslegting van Ryp Sensation Mango Vrugte
Quality of Mature Zill Mangoes after Long-term Refrigerated Storage as Determined by Pre-storage Ripeness and Cold-storage Regime
Non-target Effect of Chemical Sprays and Population Dynamics of the Mango Phylloplane Microbial Population
Biological Treatments for the Control of Mango Postharvest Diseases
An Effective Pre-harvest Spray Programme for the Control of Postharvest Mango Diseases
Evaluasie van Kommerseële Pakhuis Sisteme vir die Beheer van Na-oessiektes op Mango’s
The Application of Short Wave Infra-red Radiation to Control Postharvest Decay of Mangoes
Die Effek van Prochloras Gekomineer met Imasalil of Quasatine op Na-oessiektes van Mango’s
Report on the Natural Occurrence of Insect Pollinators in a Mango Orchard
Pollination of Mango in the Letsitele Valley During the 1993 Flowering Season: Second Report
Control of the Mango Seed Weevil, Sterochetus mangiferae (F.)
Sporadic Scales Affecting Mango

1993

31

Welcoming Address
Fluctuations of Three Mango Cultivars: An Update on Current Research in the Nkwalini Valley, Natal
Growth, Cropping and Sturdiness of Two-year-old Mango Trees in Relation to Branching Initiated by Pruning
Mango Diseases in South Africa
Die Groeipatroon van Sensation Mangobome en die Optimalisering van Bestuursinsette
Belowende Seleksies Uit die Mangoteelprogram
Mango Breeding: A Progress Report
Recent Mango-cultivar Introductions to South Africa
Sexual Compatibility Between Different Mango Culitvars
Inflorescence Characteristics and Flower Sex Ratio Studies of Container-Grown Mango Trees
Tree Spacing Trends and Options for Yield Improvement in Mango
Research on Mango Aimed at Increasing Orchard Productivity and Export Fruit Quality
Evaluation of Winter Pruning to Synchronize the Flowering of Sensation Mango Trees
Effect of Spray Application of KN03, Urea and Growth Regulators on the Yield of Tommy Atkins Mango
Oorwerk van Mango Bome
Ripening Behaviour and Quality on Ripening of Sensation Mango in Relation to Cold-Storage Temperature and Tree Fertilization
‘n Vergelyking Tussen Verrykte Organiese Bemesting en Anorganiese Bemesting, en Verskillende Toedieningstye op Mango’s t.o.v. Produksie, Kwaliteit en Ekonomie
Disorders of Fibreless Mangos Grown in South Africa for Export
Nattrassia mangiferae, A Fungus Causing Several Diseases in Mango
Preliminary Results on the Mode of Infection of Nattrassia mangiferae in Mango
Epidemiology of Powdery Mildew on Mango Inflorescences
An Investigation into Differences in Virulence in Xanthomonas campestris pv. mangiferaeindicae by Western Blot Analysis
Strategies for the Control of Postharvest Diseases of Mango
Biological Control of Mango Postharvest Disease in the Packhouse
The Effect of Three Copper Fungicides and Certain Spray Adjuvants on the Control of Bacterial Blackspot of Mangoes
Preliminary Report on the Natural Occurrence of Insect Pollinators in a Mango Orchard
Pollination of Mango in the Letsitele Valley During the 1992 Flowering Season: First Report
Blaaspootjies by Mangos
Progress with Integrated Control of the Mango Scale Aulacaspis tubercularis Newstead
Voorstelle vir Geintergreerde Plaagbeheer in die Mangobedryf
Implementering van Navorsingresultate: ‘n Voorligting Perspektief

1992

20

Ideas on pruning of mango trees
Phenological cycles, carbohydrate status, and CPPU spray trials for four mango cultivars current research in the Nkwalini Valley, Natal
Die opname en translokering van boor en verrykte boor by mangoplante
Potensiaal vir geiintegreerde beheer van mangodopluis, Aulacaspis tubercularis Newstead
Evaluation of copper compounds, bacterial chemicals and windbreaks for the control of bacterial black spot of mangoes
Calcium infiltration as possible postharvest treatment to increase storage potential of mango fruit
Pre-harvest fungicide sprays for the control of postharvest diseases of mango
In search of an effective postharvest treatment for the control of postharvest diseases of mangoes
Evaluasie van die Mango Genebank met die oog op spesifieke teeldoelwitte
Potential to enhance mango coloration and extend shelf life for export markets
Fenologiese siklus van die Sensation mango op Nelspruit en die implikasies vir bestuur
The control of mango scale Oil timing and chemical scale control results
Die invloed van verskillende boortoedienings op die boorkonsentrasie in die blare, vrugset en vrugopbrengs in ‘n kommersiële mango-boord
Plaagdoders – Vriend of vyand
Time of leaf sampling and analysis norms for mangoes (CV Sensation)
Winterbesproeiing van mango’s: Het dit enige voordeel?
Long-term refrigerated storage of mangoes: What are the issues?
Production of monoclonal antibodies against different strains of Xanthomonas campestris pv. mangiferaeindicae and detection methods
Preharvest biological control of mango diseases
Correlating pre-storage ripeness of mangoes with the proportion of good quality fruit present after four weeks of cold-storage

1991

20

CRITICAL INFECTION PERIODS OF MANGO BLOSSOM DISEASES
SA Mango Growers’ Association Research Symposium Magoebaskloof
RESEARCH STRATEGIES APPLIED TO SCHEDULING OF MANGOES IRRIGATION
POSTHARVEST DECAY CONTROL IN MANGOES WITH COMBINATIONS OF PROCHLORAZ, IMAZALIL, BENOMYL OR TBZ
SOME HORTICULTURAL ASPECTS OF THE MANGO YIELD PROBLEM AND OPPORTUNITIES FOR RESEARCH
THE EFFECT OF POSTHARVEST AND ENHANCED COPPER SPRA VS ON THE CONTROL OF MANGO BLACK SPOT
BEHEER VAN DOPLUIS OP MANGO DEUR MIDDEL VAN OLIE BESPUITING EN CHEMIESE BEHEER
BESOEK AAN FRANKRVK 19/2/91 – 19/3/91
SYSTEMICITY AND VARIATION IN PATHOGENICITY BETWEEN STRAINS OF XANTHOMONAS CAMPESTRIS PV MANGIFERAEINDICAE
IMPLICATIONS OF EPIDEMIOLOGICAL STUDIES ON STRATEGIES FOR CONTROL OF POWDERY MILDEW AND ANTHRACNOSE
DIE INVLOED VAN BOORTOEDIENINGS OP VRUGPRODUKSIE EN VERKOELDE OPBERGING BY MANGO’S
MANGO POWDERY MILDEW: INCREASED YIELDS WITH IMPROVED MILDEW CONTROL
THE EFFICACY OF PROCHLORAZ, CHLORAMIZOL-SULPHATE AND QUAZATINE ON POSTHARVEST DISEASES OF MANGO
INCREASED MANGO YIELDS THROUGH CHEMICAL CONTROL OF BLOSSOM DISEASES
CONTROL OF POSTHARVEST DECAV OF MANGOES USING HOT WATER IN COMBINATION WITH RADURISATION OR MODIFIED ATMOSPHERE PACKAGING
SUITABILITY OF VARIOUS INDICES FOR ASSESSING RIPENESS IN MANGO
CORRELATING PRE-STORAGE RIPENESS OF MANGOES WITH THE PROPORTION OF GOOD QUALITY FRUIT PRESENT AFTER FOUR WEEKS OF COLD-STORAGE
EFFECT OF PROMALIN ON FLOWERING AND LATERAL BRANCHING OF YOUNG MANGOES TREES IN THE NURSERY
EFFECT OF TRUNK GIRDLING ON THE NUMBER OF FRUIT RETAINED BY BEARING HADEN MANGO TREES
STAGES OF DEVELOPMENT OF THE MANGO PANICLE

1990

13

1989/90 SYMPOSIUM WELCOME
INDEXING MANGO MOTHER TREES FOR THE PRESENCE OF XANTHOMONAS CAMPESTRIS PV MANGIFERAEINDICAE USING MONOCLONAL ANTIBODIES
CHEMICAL AND BIOLOGICAL CONTROL OF BACTERIAL BLACK SPOT OF MANGOES
POST-HARVEST DECAY CONTROL IN MANGOES UNDER SOUTH AFRICAN CONDITIONS
THE EFFECT OF WINTER MOISTURE STRESS ON THE YIELD OF FASCELL MANGOES
RESULTS FROM MANGO DISEASE CONTROL SPRAY TRIALS
EPIDEMIOLOGIE VAN SWAMME VAN DIE MANGOBLOEISELSIEKTEKOMPLEKS
THE INFLUENCE OF BORON APPLICATION ON FRUIT SET AND YIELD OF MANGOES
TEMPERATURE CHANGES DURING SEA SHIPMENT OF MANGOES IN DUCTED CONTAINERS
BAKTERIESE SWARTVLEK KEUSES VIR DIE MANGOBOER
DIE KOKOSNEUTSTINKBESIE, PSEUDOTHERAPTUS WAYI (BROWN), OP MANGO’S
CONTROL OF BLOSSOM DISEASES OF MANGO
EFFECT OF LOWERING THE TEMPERATURE OF THE COLD STORAGE REGIME ON THE QUALITY OF EXPORT MANGOES AFTER FOUR WEEKS OF STORAGE

1987

19

VOORSITTER SE VERSLAG
OPENINGSREDE
AFKEURINGS VAN UITVOERMANGO’S GEDURENDE DIE 1986/87-SEISOEN
GUIDELINES FOR THE CONTROL OF MANGO WEEVIL, STERNOCHETUS MANGIFERAE (F)
OBSERVATIONS ON THE BIOLOGY OF THE MANGO WEEVIL, STERNOCHETUS MANGIFERAE (F)
THE CHEMICAL CONTROL OF MANGO PESTS
MANGOSNUITKEWER MOET BEHEER WORD
BEHEER VAN DIE MANGODOPLUIS MET MINERALE OLIE
THE IDENTIFICATION OF THE BLACK SPOT ORGANISM
ROLE OF THE GALL FLY, PROCONTARINIA MATTEIANA, IN THE EPIDEMIOLOGY OF BACTERIAL BLACK SPOT
LIFE CYCLE OF THE MANGO GALL FLY, PROCONTARINIA MATTEIANA
IN VITRO DETERMINATION OF RESISTANCE OF MANGO LEAVES AGAINST BACTERIAL BLACK SPOT
CONTROL OF MANGO BLOSSOM MALFORMATION WITH TRUNK INJECTION
CONTROL OF SOFT BROWN ROT AND ANTHRACNOSE IN MANGOES DURING STORAGE BY PROPICONAZOLE AND PROCHLORAZ
PRINCIPLES OF SPACING AND CANOPY MANAGEMENT IN MANGOES
THE MANGO CUL TIVAR SITUATION IN SOUTH AFRICA AND A DISCUSSION OF OTHER INDUSTRIAL PROBLEMS
MANGO SELECTION AT THE CSFRI AND RECOMMENDATIONS FOR A BREEDING PROGRAMME
PRELIMINARY RESULTS OF MANGO FERTILISATION EXPERIMENTS
EFFECT OF VARYING CLIMATIC REGIMES ON FLOWER BEHAVIOUR’AND POLLINATION IN SENSATION AND HADEN MANGO TREES

1986

12

SURVEY OF MANGO BLOSSOM MALFORMATION IN THE HOEDSPRUIT AREA, NOVEMBER 1985
SURVEY: FLOWER AND HARVEST TIMES OF MANGO CULTIVARS IN DIFFERENT MANGO PRODUCING AREAS
AFKEURINGS VAN UITVOERMANGOS GEDURENDE DIE 1986/86 UITVOERSEISOEN
OPENINGSTOESPRAAK TYDENS DIE OPENING VAN DIE SESDE MANGOSIMPOSIUM
POST-HARVEST DECAY CONTROL IN MANGOES DURING LONG STORAGE
INVLOED VAN BESTRALING OP RYPWORDING
IRRADIATION AS A POST-HARVEST TREATMENT FOR MANGOES
POLLEN STUDIES AND STIGMA RECEPTIVITY OF MANGIFERA INDICA L. CVS HADEN AND SENSATION
DIE IDENTITEIT VAN DIE AGENS VAN BAKTERIESE SWARTVLEKSIEKTE VAN MANGO’S
CHARACTERISTICS OF FUSARIUM SUBGLUTINANS
THE CHEMICAL CONTROL OF MANGO WEEVIL (STERNOCHETUS MANGIFERAE)
SLOW DECLINE IN MANGO ORCHARDS: THE POSSIBLE ROLE OF PLANT PARASITIC NEMATODES

1985

16

DIE BESTUIWINGSMORFOLOGIE BY ENKELE MANGOCULTIVARS
EFFECTS OF VARIOUS FLORAL INDUCTION TREATMENTS ON CONTAINER-GROWN MANGO TREES
DOEL VAN BESTRALING LITERATUUROORSIG VAN MANGOBESTRALING VIR BEHEER VAN DIE MANGOSNUITKEWER
BEREIDING VAN MANGOPUREE UIT ANTRAKNOSEBESMETTE VRUGTE
STRATEGIE TEEN MANGOPLAE
VERMINDERING VAN NA-OESBEDERF MET VOOROESBESPUITINGS EN NA-OESBEHANDELING
CONTROL OF POST-HARVEST DECAY IN MANGOES
FAKTORE WAT BETROKKE IS BY AFKEUR VAN UITVOERMANGO’S
OPENING ADDRESS OF THE FIFTH MANGO RESEARCH SYMPOSIUM
DOUBLE-STRANDED RNA IN MANGOES
REPORT ON MANGO MALFORMATION SURVEY IN THE TSHIPISE AREA, 16 -19 DECEMBER 1984
ISOLATION OF FUNGI ASSOCIATED WITH BLOSSOM MALFORMATION OF MANGOES
A LITERATURE REVIEW OF THE DISTRIBUTION, SYMPTOMOLOGY, CAUSE AND CONTROL OF MANGO BLOSSOM MALFORMATION
POWDERY MILDEW OF MANGOES
SYMPTOMS OF MANGO BLOSSOM MALFORMATION
MANGO BLOSSOM BLIGHT

1984

17

VOORWOORD
Fotos van Voorsitters, Tegniese Komitee
PROBLEME RONDOM PLAE EN INSEKDODERS
DELAYING OF FLOWERING IN HADEN AND SENSATION MANGO TREES: PRELIMINARY RESULTS
BLOEISELBEHEER BY MANGO’S
BESTUIWING EN BEVRUGTING BY ENKELE MANGOKULTIVARS
BLAAR- EN GRONDONTLEDINGS VAN MANGO’S
MANGO FLOWER MALFORMATION
A BIOLOGICAL EVALUATION OF POST-HARVEST DIP TREATMENTS OF_ PROCHLORAZ FOR THE CONTROL OF POST-HARVEST DECAY OF MANGOES
VERMINDERING VAN NA-OESBEDERF MET VOOROESBESPUITINGS EN NA-OESBE HANDELING
AFKEURlNGS VAN MANGO’s BY UITVOERPUNTE
A SURVEY ON THE CONDITION AND QUALITY OF SOUTH AFRICAN EXPORT MANGOES WHEN RIPE
DIE VERWERKING VAN RYP MANGO’S EN DIE KONSENTRERING VAN MANGOPUREE
‘n ONDERSOEK NA DIE MOONTLIKHEID VAN AFLATOKSIENPRODUKSIE BY GROEN-MANGO ATJAR
POSSIBLE APPLICATIONS OF IRRADIATION IN ACHAR PRESERVATION
RECOMMENDATIONS FOR THE CONTROL OF MAJOR MANGO PESTS AND DISEASES ON BEARING TREES
VOORGESTELDE SPUITPROGRAM VIR MANGO’S, GE BASE ER OP HOëVOLUMESPUITMASJIENE

1983

19

POST-HARVEST CHEMICAL TREATMENTS OF MANGO TO CONTROL DECAY DURING STORAGE
RADURISATION AND FUNGICIDE TREATMENT FOR THE EXTENSION OF STORAGE LIFE OF MANGOES
PRE-HARVEST AND POST-HARVEST EVALUATION OF PROCHLORAZ FOR THE CONTROL OF POST-HARVEST DISEASES IN MANGOES
EVALUASIE VAN SWA MDODERS TEEN POEIERAGTIGE MEELDOU
EVALUASIE VAN MANGOKULTIVARS VIR VERWERKING
MICROBIAL SPOILAGE OF GREEN MANGO ACHAR
NOTES ON THE ECOLOGY AND CONTROL OF MANGO BLACK SPOT
DIE MANGOSNUITKEWER
VRUGTEVLIEGBEHEER BY MANGO’S
VOORGESTELDE MANGOSPUITPROGRAM GEBASEER OP HOeVOLUMESPUITMASJIENE
VOORWOORD
NAVORSING EN DIE SA MANGOKWEKERSVERENIGING
MANGOKULTIVARS
MANGOSELEKSIES
MANGO’S IN ISRAEL
MANGOBLOEISELMISVORMING – ‘N UITDAGING
‘N KRITIESE EVALUERING VAN DIE LITERATUUR OOR DIE EMBRIOLOGIE VAN DIE MANGO
ASPECTS OF POLLINATION AND FERTILISATION IN MANGO
EVALUASIE VAN VOOROESBESPUITINGS VIR NA-OESBEDERFBEHEER

1978

13

VOORWOORD – Minister van Landbou 1978
SOUTH AFRICAN MANGO GROWERS ASSOCIATION Chairman’s Report
INFORMATION OFFICE
MANGO-UITVOER 1978/79 SEISOEN
EXPORTING MANGOES WHAT NEEDS TOBE DONE TO ENSURE A SECUREFUTURE
DEHYDRATION OF MANGOES
Mangoboere BESTRY VRUGTEVLIEG So
Handelsending na Israel
Beheer deur bestandheid
A further look at THE ACHAR INDUSTRY
IPRODIONE NUWE MIDDEL TEEN NA-OES-BEDERF LYK BELOWEND
The suitability of Mangoes as a Canned Product
MANGO DISEASES

1977

7

Voorsitter Verslag
DIREKTEUR NAVORSINGSINSTITUUT V IR SITRUS EN SUBTROPIESE VRUGTE NELSPRUIT
THE MARKET FOR FRESH MANGOES IN SELECTED WESTERN EUROPEAN COUNTRIES – APRIL 1971 TROPICAL PRODUCTS INSTITUTE
MANGONA VORSING GEKOOPTEERDE LID NELSPRUIT
MANGO PROCESSING
REPORT ON THE ACHAAR INDUSTRY
NUWE MANGOPLAE

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Research Library
2015

2015

Chairman Report
Epidemiology and control of mango blossom in South Africa
Identification and biocontrol of Fusarium spp. responsible for mango blossom malformation
Non-volatile leaf active compounds in the protection against mango gall fly
Evaluation of suppression methods for controlling the fruit flies in mango orchards
Can we tame the gall fly?
Evaluation of promising new mango cultivars and selections in different climatic areas (2014/15)

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