WINETECH Technical Yearbook 2021

1 VITICULTURE

An overview on the genetic and biological variability of viruses in vineyards ____________________________________ 6

Understanding the “terroir effect” (Part 3) _______________ 22

disease in grapevine nurseries__________________________ 33

Breeding the next Pinotage – advancements in wine grape breeding_______________________________________ 37

Weevils in vineyards – a species-rich assemblage _________ 24

TerraClim – high resolution temperature layers are available and so much more ___________________________ 11

Evaluation of the drought tolerance of 17 wine grape cultivars under dryland conditions – observations in the establishment phase __________________________________ 28

Cover crops enhance vineyard arthropod diversity ________ 41

Understanding the “terroir effect” (Part 1) _______________ 17

Entomopathogenic fungi mortality on grapevine mealybug 47

Trichoderma as possible biocontrol agent against black foot

Understanding the “terroir effect” (Part 2) _______________ 19

Minimal pruning – effects on grape aromatic composition _ 50

WINETECH TECHNICAL YEARBOOK 2021 | 5