ENGLISH ABSTRACT: South Africa is ranked as the seventh largest wine producing country in the world. Grapevine is one of the most important crops, which warrants extensive research on pathogens and diseases that impact ...

ENGLISH ABSTRACT: There is anecdotal evidence suggesting that old vines produce wines of higher quality than young vines. In South Africa, vines are generally regarded ‘old’ when they reach 35 years of age, while ‘young’ ...