False armyworm – forecasting outbreaks
During 2019 the first results of the false armyworm forecasting model became available and clarity regarding the population growth started to develop. This insect is a sporadic pest on barley, wheat, maize and sorghum...
New hybrid insect pest spells danger
September 2018
DR WYNAND J VAN DER WALT, FoodNCropBio Consulting and member of Maize Forum Steering Committee
The plant pest environment contains endless pathogens that can mutate, interact with other insects and microbes and can cause...
Towards more sustainable control of the Russian wheat aphid
September 2018
NOKULUNGA MZIMELA and DR JUSTIN HATTING, ARC-Small Grain, Bethlehem
Following the release of the first Russian wheat aphid (RWA), Diuraphis noxia (Photo 1), resistant cultivar (Tugela-DN) in 1992, host plant resistance has become the backbone of...
Sojaboonentstowwe in Suid-Afrika: ‘n Vervaardigersperspektief
September 2018
WILMA MAC PHERSON, South African Bioproducts Organisation
Die voordeel van sojaboonproduksie in rotasie met mielies – en dan natuurlik ook die wisseling in mieliepryse – het in die afgelope dekade ‘n dramatiese groei in...
Balkspuite: Hoe maak mens ‘n SINVOLLE KEUSE tydens aankoop?
September 2018
MARIUS RAS, groep-bemarkingsdirekteur, Rovic Leers
Tenkkapasiteit en spuitwydte is twee spesifikasies wat onlosmaaklik deel is van die potensiële vermoë van die spuit om, teen gegewe watervolumes per hektaar (tipes chemiese en weerstoestande) en gemiddelde...
Update on wheat rusts in South Africa
Wheat rusts are fungal diseases that primarily infect the leaves and stems of wheat. There are three types of rust diseases (stem rust, leaf rust and stripe rust) which commonly occur on wheat worldwide.
All...
Klop plaagdoderweerstand met slim planne
Baie mense is skepties oor Charles Darwin se ewolusieteorie, maar daar steek ernstige wetenskaplike waarheid in. Organismes het deur millennia ontwikkel en gedurig aangepas by veranderende omstandighede. Mense interpreteer dikwels Darwin se teorie verkeerd,...
Nuwe, aggressiewe rasse van roesswam bekommer
Sonneblomroes kan aanleiding gee tot oesverliese, veral wanneer vroeë infeksies op vatbare basters met betekenisvolle verlies van funksionele blaaroppervlak gepaard gaan.
Heelwat inligting is beskikbaar oor die seisoenale voorkoms van die siekte in Suid-Afrika, maar...
The effects of herbicides on soil life – Part 1: Microbial biomass and respiration
September 2018
DR MARYKE CRAVEN, CHARNÉ MYBURGH, OWEN RHODE and DR JEANETTA SAAYMAN-DU TOIT, ARC-Grain Crops, Potchefstroom
The internet has opened doors of knowledge for everyone to enjoy. Research findings are readily available, which allows the...
Overlapping false armyworm populations…a possible reason for outbreaks
After one year of monitoring flight patterns of false armyworm moths and testing a climate-based temperature model, new information about this insect is revealing some interesting facts.
The false armyworm (Photo 1) has for many...
