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Results for “dormant vineyards”
Showing 1–12 of 16 results
16 results — page 1 of 2
Waterlogged conditions in vineyards
When soil is saturated with water, the soil water content is above field capacity. This is known as waterlogged conditions, as observed during floods or over-irrigation.
By Callie Coetzee · 6 min read
Susceptibility of grapevine pruning wounds to trunk pathogen infection
Introduction
By Sandile · 8 min read
A guide to grapevine abnormalities in South Africa: Abiotic abnormalities – hail, lightning, sulphur burn, bunch stem necrosis and growth arrestment (Part 6.3)
General and introductory Harmful occurrences such as hail, lightning, sulphur burn, bunch stem necrosis and growth arrestment phenomenon (hereafter GAP) – widel
By Anton Pretorius · 7 min read
New Winetech projects for 2017 (Part 5)
1. Effect of HWT (50°C for 45 minutes) on fungal pathogens in vine nurseries
By Winetech Editorial Team · 5 min read
Trichoderma pruning wound protection - when after pruning is it best to apply?
PHOTO: Pixabay.
By Doronae · 12 min read
Harlequin beetle - the Waterloo for South African wines?
In this study, the seasonal occurrence of the harlequin beetle (Harmonia axyridis) was monitored in four vineyards and the adjacent windbreaks over three growin
By Doronae · 4 min read
True grit
Juggling a demanding job, postgraduate studies and young family takes some doing. But Marliese Martin loves a challenge and thanks to her exceptional organisati
By Carlin Cloete · 6 min read
Feedback from the 11th International Workshop on Grapevine Trunk Diseases
The 11th International Workshop on Grapevine Trunk Diseases (IWGTD) was held in Penticton, British Columbia, Canada. This workshop hallmarked 20 years of resear
By Lizel Mostert and Francois Halleen · 11 min read
Taking Cape Chardonnay to infinity and beyond
The South African Chardonnay Forum has been re-launched under the chairmanship of Johann de Wet, CEO of De Wetshof Estate. In a heart-to-heart Q&A he outlines t
By MediaVision · 6 min read
The smoke spoilage of wine
Veld fires caused serious damage in some of the Australian and Californian wine regions over recent years. Although not in the same magnitude, the problem has a
By Charl Theron · 6 min read
Optimisation of grapevine leafroll detection by sentinel canes
In this project we evaluated the use of a bud of a red cultivar, grafted on individual white cultivar vine stems to serve as visual indicators of leafroll infection in the white cultivar.
By Gerhard Pietersen · 10 min read
The bud (erinose) mite - identity crisis
Debates about which mites are responsible for symptoms like malformed shoots, leaves and bunches, dead buds, leaf galls and curled leaf edges in grapevines have been going on for decades.
By Elleunorah Allsopp, Davina Saccaggi & Barbara van Asch · 5 min read
