Production

Shedding light on leafroll …

Shedding light on leafroll …

Comprehensive research on leafroll virus in South African vineyards is at an advanced stage and should shed light on various significant aspects of this widespread disease. However, the exact extent of this disease will remain a mystery. This has emerged from...
January Work Programme 2000

January Work Programme 2000

PLANNING AND PREPARATION Short-term Inspect baskets or picking boxes prior to harvesting. Clean pressing bins and apply a layer of lead free acid resistant paint. Inspect wagons if used for conveying grapes to the cellar. Inspect and sharpen knives and pruning shears...
Grapevine Leafroll Disease: A New Control Strategy?

Grapevine Leafroll Disease: A New Control Strategy?

Recent advances in plant genetic engineering holds great promise for modern plant breeding; also for grapevines. Can this new technology provide mechanisms to introduce resistance against the crippling grapevine leafroll disease Grapevine leafroll disease Grapevine...
December Work Programme 1999

December Work Programme 1999

PLANNING AND PREPARATION Short-term Visit your nurseryman to inspect the vines grafted for you, to determine whether they are true to type, growing vigorously and free of disease. Plan the scheduling for irrigation of the various blocks, taking available water, soil...