Keeping an eye on RLS
Tarekegn Terefe,
ARC-Small Grain,
Bethlehem
Nokulunga Mzimela,
ARC-Small Grain,
Bethlehem
Kelly Breeds,
CenGen (Pty) Ltd
Renée Prins,
CenGen (Pty) Ltd
Ramularia leaf spot (RLS), caused by the fungus Ramularia collo-cygni (Rcc), was identified for the first time in South Africa in 2015. This important...
Aalwurmpeste: “Voorraadopname” en die pad vorentoe
September 2018
PROF DRIEKIE FOURIE, MARETHA PRETORIUS, Eenheid vir Omgewingswetenskappe en Bestuur, Noordwes-Universiteit en DR NANCY NTIDI, LNR-Graangewasse, Potchefstroom
Graangewasproduksie, onder beide konvensionele en bewaringsboerdery, word geknou deur plantparasitiese aalwurms – waaroor vele wetenskaplike en populêre...
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...
Herfskommandowurm: Toevlugsoord benadruk
Die herfskommandowurm (Foto 3) is ’n ernstige plaag op mielies in Suid-Afrika wat skade aanrig aan die kelkblare en aan mieliekoppe. Hierdie kommandowurm kan betekenisvolle opbrengsverliese veroorsaak en moet daarom dringend beheer word.
Bt-mielies wat...
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...
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...
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...
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...
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...
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...
