Ons leer elke seisoen meer van sojabone
Enige twee seisoene verskil in ’n mindere of (hoofsaaklik) meerdere mate van mekaar. Daar is egter ’n paar gemene delers by sojaboonproduksie wat aandag vereis. Vir die doel van hierdie artikel sal oorsigtelik gekyk...
Accurate disease diagnostics – appearances can be deceptive
The South African grain industry is vital for the country’s agriculture sector and plays a crucial role in food production and economic growth. It produces a wide range of crops and serves as the...
Be on the lookout for bacterial diseases
Soybean is an excellent crop that can be included into a maize-based crop rotation system. Prior to soybeans becoming a regular crop in rotation with maize, South Africa was a net importer. The growing...
Let’s not be caught unawares by these aliens
Biosecurity is becoming more important as we contend with the high number of invasive alien species that are being found in South Africa. SANBI, the South African National Biodiversity Institute, lists a total of...
Gibberella stalk rot of maize: a serious threat
Gibberella stalk rot (Photo 1) is caused by fungus pathogens within the Fusarium graminearum species complex (FGSC). The primary crop hosts of FGSC include maize, oat, barley, rye, sorghum and wheat. FGSC is referred...
Seed treatments with a focus on Sclerotinia diseases
Crop diseases can spread through various means: for instance, as soilborne, seedborne or waterborne pathogens. However, the development of diseases is primarily influenced by the simultaneous occurrence of three factors: a favourable environment, susceptible...
Knowledge crucial in fight against rust
Rusts, which are caused by micro-organisms known as fungi, are devastating diseases of wheat worldwide. There are three kinds of rusts which commonly infect wheat in South Africa and globally. These are stem rust...
Sensitiwiteit vir swamdoders by stamroesswam getoets
Siektes veroorsaak deur swamme kom algemeen voor op kleingrane in Suid-Afrika. Die tydige toedien van swamdoders op vatbare kultivars speel ’n belangrike rol in die voorkoming van epidemies. Verskeie faktore, soos die voorkoms van...
Effect of insecticides on aphids: evolution of resistance
Aphids are globally significant economic pests that can lead to substantial economic losses. Management of aphids is challenging because of their extremely high mobility and the fact that they can rapidly reproduce, resulting in...
Bly weg van pikloram … beheer skraalhans eerder só
Skraalhanse is geharde, semihoutagtige, hoofsaaklik winteronkruide wat laat in die seisoen ontkiem wanneer gewasse al fisiologies ryp, maar nog voor oes is (Foto 1).
Wat veral in hierdie onkruid se guns tel, is sy harige...
