Bacterial leaf streak found in the Piet Retief district
The pathogen causing bacterial leaf streak (BLS) is Xanthomonas campestris pv zeae, which was first reported in South Africa in 1949. To date maize is the only reported host of this pathogen which was...
Alternaria leaf blight – in search of an integrated control system
Alternaria leaf blight (ALB) of sunflower is caused by Alternaria alternata, a seed-borne pathogen on sunflower, able to infect seedlings from a very young age.
However, the majority of infections take place during head formation....
Stratifikasie van grond-pH in die Wes-Kaap ondersoek
Grondsuurheid – en veral stratifikasie van suurheid met gronddiepte – is ’n uitdaging vir graanprodusente wat reeds ’n geruime tyd geenbewerkingspraktyke toepas.
Grondversuring is ’n natuurlike proses en word boonop aangehelp deur ammoniumgebaseerde stikstofbronne wat...
Optimal profit with data-intensive farming
On-farm data are a very important part of agriculture in this day and age. However, together with the need for data, there is always the large challenge of reducing costs.
Two of the largest cost...
Elke pit gelewer is geld in die bank
Produsente doen moeite om hul produksie per hektaar te optimeer. Presisieboerdery word geïmplementeer, beter plantestand per hektaar word aangewend, beter onkruidbeheer word toegepas ... en dan kom die stroper verby – met baie pitte...
Verbeter voedingsopname vir hoër opbrengste
Fertasa se grondsuurheidswerkgroep* in samewerking met Graan SA, kyk in hierdie reeks artikels na die oorsake, slaggate, invloed van en oplossing vir grondsuurheid. In hierdie agtste artikel in die reeks kyk Kobus van Zyl,...
Só integreer ons vee in ’n bewaringstelsel
Hierdie is die tweede artikel waarin Dreyer en Dreyer Bdy Bk se reis van ’n konvensionele, gemengde boerdery na ’n bewaringslandboustelsel vanuit hul eie perspektief beskryf word.
Die boerdery is ’n gemengde boerdery in die...
Avoiding the disease triangle
Maize is one of the most important agricultural crops in South Africa, with approximately 2,3 million ha planted annually. Managing diseases is just one of the many aspects of production that maize producers need...
Kultivars wys hul staal in 2019/2020-proewe
Plaaslik word grondbone in die somerreënvalstreke onder droëland- en besproeiingstoestande verbou. Nasionale grondboonkultivarproewe is sedert die 2006/2007-groeiseisoen deur die LNR-Graangewasse in samewerking met die Olie- en Proteïensade-ontwikkelingstrust (OPOT) in die grondboonproduksiegebiede van Suid-Afrika uitgevoer,...
Enzyme treatments for reducing fungal toxins in maize
Species of the fungal genera Aspergillus, Fusarium and Penicillium are known to produce mycotoxins in a wide range of staple grains worldwide.
It is estimated that mycotoxins contaminate a quarter of the world’s food crops,...
