‘n Kykie na insekplae op MIELIESAAILINGE
September 2018
ELRINE STRYDOM, LNR-Graangewasse, Potchefstroom
Gedurende die ontkieming en opkoms van ‘n mielieplantjie is dit belangrik dat ‘n mens bewus sal wees van insekte wat skade daaraan kan aangerig en om pro-aktief op te tree...
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...
Olieboom, kankerroos, purperwinde – die drie sondebokke
September 2018
DR MARYKE CRAVEN, MARLENE VAN DER WALT en DR JEANETTA SAAYMAN-DU TOIT, LNR-Graangewasse, Potchefstroom
Olieboom, kankerroos en purperwinde is drie onkruide wat tot afgradering van graan kan lei. Die effektiewe beheer van dié onkruide...
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%...
Aalwurmbeheer op eenjarige gewasse: Is dit regtig nodig?
Die spreekwoord “groot gif in klein pakkies” is die perfekte beskrywing vir aalwurms. Plantparasitiese aalwurms is inderdaad een van die groot skobbejakke tussen die grondorganismes.
Hulle is skelm (’n mens kom altyd te laat agter...
A look at integrated pest management
Pest management is only one aspect of overall crop production that needs to be considered by a grower. It cannot be considered on its own – overall management of the crop by the grower...
Effective weed strategies in sorghum
September 2018
DR MARYKE CRAVEN, MARLENE VAN DER WALT and DR JEANETTA SAAYMAN-DU TOIT, ARC-Grain Crops, Potchefstroom
The slow growth rate of sorghum and the sensitivity of this crop to most herbicides, present the greatest challenges...
Managing the local risk of fall armyworm infestation in maize
The fall armyworm (Spodoptera frugiperda) has now been present in South Africa for three cropping seasons. This pest has its origin in the tropical and sub-tropical areas of South America and the most southern...
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...
Contribution of insects in agriculture: The value of ecosystem functions
According to a recent 2019 UN report on biodiversity, human activities are severely threatening global biodiversity, with a million species predicted to go extinct within the next few decades. What does this imply for...
