Pv isolates were collected from naturally infected cultivateds and wild grapevines in the main grape-growing regions of China (Figure 1; Supplementary Table S1.1). In vineyard, at least three infected ...

The authors show that chitosans with a low degree of polymerization are effective inducers of defense in grapevine and also exhibit strong pesticidal effects against Botrytis cinerea and Plasmopara ...