Weather Variables for Within-Vineyard Awareness of Botrytis Risk

Figure 2

Symptoms of botrytis bunch rot on Riesling grapes at Kay site 1-1 on (a) 23 March 2010, when the mean BBR severity was 33% and on (b) 26 April 2010 when the mean BBR severity was 95% and berries were becoming shrivelled and dehydrated.

(a)

(b)