More results...
Project Number: P04000075
Project leader: Allsopp, E
The leafhopper Mgenia fuscovaria is the only confirmed vector of aster yellows phytoplasma of grapevines in South Africa to date. Although its seasonal occurrence…
Project Number: P04000062
Project leader: Achiano, K A
The objective of this project is to supply mealybug which are not resistant to chemicals or bio-pesticides needed for various research projects through mass breeding. It also serves as a benchmark for future work on resistance in mealybug.
Project Number: WW 02-21
Project leader: Fourie, J C
To determine the effect of cover crops (selected for their potential to bio-fumigate the soil), managed according to two cover crop management practices, on the…
Project Number: US SS EL 1
Project leader: Lategan, E L
Leaf water potential thresholds of grapevines have been published on a few occasions in the last five years. These thresholds however differed greatly as…
Project Number: US ENT 12-A1
Project leader: Addison, P
Very little is known about Plangia sp. (Orthoptera: Tettigoniidae) in South Africa. The long-horned grasshoppers (otherwise known as krompokkels or katydids) appear…
Project Number: SMM-WSN
Project leader: Wolhuter, R
Proper plant and crop management is not possible without accurate field information regarding soil, plant and environmental conditions. Current techniques are relatively…
Project Number: ProE 17-01
Project leader: Görgens, J F
Winetech has identified the ‘greening the industry’ as a strategic initiative to ensure the future sustainability and global competitiveness of wine production in South…
Project Number: P04000172
Project leader: Booi, S
Among the most important plant-parasitic nematode species found in South African vineyards are Criconemoides xenoplax (ring nematodes), Meloidogyne…
Project Number: P04000108
Project leader: Halleen, F
Although the Vine Improvement Scheme makes provision for several requirements to secure and improve the phytosanitary status of rootstock mother vines and…
Project Number: P04000105
Project leader: Halleen, F
The effect of Hot Water Treatment (50°C for 45 min) on the occurrence of fungal pathogens associated with grapevine propagation material and nursery vines has not…
Project Number: P04000068
Project leader: Burger, P
Examples of Vitis spp. and cultivars from all over the world are established in a collection for use in ampelographic and other studies and to serve as a grape gene…
Project Number: GENUS 17-03
Project leader: Maree, H J
It is generally accepted that Grapevine Leafroll Disease (GLD) has a negative impact on grape and ultimately wine quality. Once infected vines cannot be cured and no…
More results...