TELA to control stem borers in SA
Bt maize is genetically modified to express insecticidal proteins and have been planted in South Africa since 1998. In the 2017/2018 season, 1,62 million hectares of Bt maize were planted locally, which is 71%...
Towards a better understanding of entomopathogens for insect biocontrol
Insects are prone to infection by various microbes, termed entomopathogens (from the Greek: Entomon = insects and pathos = suffering).
These disease-causing entities contribute to the suppression of insect pests through not only natural infection,...
Bestuur onkruidsade só tydens die oesproses – Deel 1
Die aanvaarding van bewaringsboerdery en minimumbewerkingspraktykte in veranderende klimaatstoestande is wêreldwyd besig om veld onder produsente te wen. Suid-Afrika is nie uniek in die benadering tot die aanvaarding van hierdie praktyke nie.
Resultate toon dat...
A plant out of place
Six Urochloa-species are found in South Africa, of which bushveld herringbone grass (Urochloa mosambicensis or bosveldbeesgras) and herringbone grass (U. panicoides or beesgras) are important grass weeds.
Both of these weed species are documented to...
Volhoubare gewasproduksie deur grondverbetering
Vrugbare grond is die basis vir gesonde plante met ’n hoë gebruikswaarde.
Die doelwitte van ’n grondverbeteringstrategie sal die volgende insluit:
Die volhoubare verhoging van die nettoboerdery-inkomste per eenheid. Dit beteken dat óf die inkomste...
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...
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...
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...
Biological pest control – eco-friendly but lethal
Crop protection is the science and practice of managing pests and diseases. Three key approaches to crop protection include:
pesticide-based approaches such as insecticides and fungicides;
biotechnology-based approaches such as plant breeding and genetic...
Die risiko van weerstandige onkruide vir gewasverbouing
September 2018
DR ERIK EKSTEEN, verkoopsbestuurder: Wes-Kaap, Syngenta, DR ELBÉ HUGO, tegniese produkbestuurder: Onkruiddoders, Syngenta en FRANCOIS VILJOEN, tegniese bestuurder: Onkruidbeheer, Syngenta
Onkruiddoderweerstand het die afgelope paar jaar ‘n algemene besprekingspunt onder produsente geword. Die grootste...
