The effect of CA on insects and ecosystem services
September 2017
Heidi Meyer and DR Annemie Erasmus, ARC-Grain Crops, Potchefstroom
Conventional agriculture practices such as continuous tillage lead to the disruption of soil structure and loss of fertile top soil, resulting in a reduction of...
Target-site resistance in wild oats
September 2017
Hestia Nienaber and Dr Scott Sydenham, ARC-Small Grain, Bethlehem
Wild oats (Avena fatua) is a cosmopolitan grass-type weed that is able to grow over a wide spectrum of conditions, rendering it one of the worst...
Sit die natuur se boelies op hul plek met effektiewe onkruidbeheer
September 2017
Dr Maryke Craven, Marlene van der Walt en dr Jeanetta Saayman-du Toit, LNR-Graangewasse, Potchefstroom
“After a walk, Swiss engineer George de Mestral observed burs from common burdock (Arctium minus) stuck to his woolen pants and his dog’s...
Sclerotinia stem rot on soybean in South Africa
September 2017
LIEZL VAN DER HOVEN and PROF JACQUIE VAN DER WAALS, Department of Plant and Soil Sciences, University of Pretoria and DR MARIETTE TRUTER, ARC-Vegetable and Ornamental Plants, Roodeplaat
Sclerotinia sclerotiorum is a fungus that feeds...
Procedures in the diagnosis of plant diseases: The path to effective control measures
September 2017
Drs Adrian Abrahams and Belinda Janse van Rensburg, ARC-Grain Crops, Potchefstroom
Plant health problems usually arise from a variety of abiotic (environmental factors such as cold, heat, salinity, drought) and biotic (plant pathogens causing...
Onkruide: Meesters in winsvernietiging – ervaar jy dit ook so?
September 2017
PIETMAN BOTHA, SA Graan/Grain medewerker
Bewerkings-, bemestingspraktyke en kultivarprestasie is gewoonlik van die aspekte wat druk deur produsente bespreek word. Dit is beslis belangrik, maar onkruidbeheer haal normaalweg min gesprekke. As dit bespreek word, sal die...
Onkruid se weerstand teen onkruiddoders – dít is hoe groot die probleem in ons...
September 2017
Dr Charlie Reinhardt, dekaan van die Villa Academy, buitengewone professor in onkruidwetenskap aan die Universiteit van Pretoria en buitengewone professor in die Departement Agronomie, Stellenbosch Universiteit
Die geskiedenis van onkruiddoderweerstand in Suid-Afrika is in...
Noordelike mielieblaarskroei-infeksievlakke in Potchefstroom-area geëvalueer
September 2017
Dr Maryke Craven, prof Bradley Flett en Dirk Bruwer, LNR-Graangewasse, Potchefstroom
‘n Effektiewe beheerstrategie vir verskeie plantsiektes sluit die gebruik van ‘n verskeidenheid basters in, waarvan sommige – indien nie almal van hulle nie...
Molecular differentiation between South African Russian wheat aphid biotypes – with a twist…
September 2017
Drs Scott Sydenham and Vicki Tolmay, ARC-Small Grain, Bethlehem
Crop pests have plagued producers since the infancy of agriculture. It has recently been predicted through extensive modelling that most agriculture regions of the world...
Hoe om die Afrika-mieliestamboorder meer doeltreffend te beheer
September 2017
Dr Annemie Erasmus, LNR-Graangewasse, Potchefstroom
Die Afrika-mieliestamboorder, Busseola fusca (Foto 1), is een van die mees ekonomies-belangrike insekplae op mielies in Afrika. Hierdie stamboorder kan tot ‘n 100% oesverlies tot gevolg hê as infestasievlakke hoog is....
