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...
Die risiko van weerstandige onkruide vir gewasverbouing
September 2018
DR ERIK EKSTEEN, verkoopsbestuurder: Wes-Kaap, Syngenta, DR ELBÉ HUGO, tegniese produkbestuurder: Onkruiddoders, Syngenta en FRANCOIS VILJOEN, tegniese bestuurder: Onkruidbeheer, Syngenta
Onkruiddoderweerstand het die afgelope paar jaar ‘n algemene besprekingspunt onder produsente geword. Die grootste...
Staying one step ahead of the false armyworm
September 2018
DR GODDY PRINSLOO, ARC-Small Grain, Bethlehem
The false armyworm, Leucania loreyi, is a cosmopolitan pest that has been known in South Africa for years, causing minor damage to maize and grain sorghum (Photo 1 and Photo 2)....
‘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...
Overlapping false armyworm populations…a possible reason for outbreaks
After one year of monitoring flight patterns of false armyworm moths and testing a climate-based temperature model, new information about this insect is revealing some interesting facts.
The false armyworm (Photo 1) has for many...
Say it before you spray it
There has been several unfortunate incidents in South Africa in the past two years where large colonies of bees were tragically lost due to pesticide use.
In response to these events, various industry experts were...
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...
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...
Riglyne vir die oprigting en bestuur van plaagdoderstore op plase
Elke plaas in Suid-Afrika maak gebruik van plaagdoders, hetsy sintetiese, natuurlike, biologiese of selfs organiese plaagdoders. Sulke middels wat as landboumiddels in die Wet op Misstowwe, Veevoedsel, Landboumiddels en Veemiddels, 1947 (Wet Nr. 36...
Update on wheat rusts in South Africa
Wheat rusts are fungal diseases that primarily infect the leaves and stems of wheat. There are three types of rust diseases (stem rust, leaf rust and stripe rust) which commonly occur on wheat worldwide.
All...
