Effect of H. uvarum combined with SA (SBC) on grape lesion diameter and disease incidence of B. cinerea infection. Vertical bars represent the standard errors of the means. Values with different letters at the same time within the same figure are significantly different according to Duncan’s multiple range test atP=0.05level. CK: control; H: H. uvarum; SA: salicylic acid; SBC: sodium bicarbonate.