一、症状 该病主要危害小果和青果,也可危害叶片。果实受害一般先侵染残留的花丝花托,然后向果实和果柄发展,从而导致果皮变成灰白色软腐,发病后期在果柄处长出大量灰白色霉层,以后果实失水僵化。 二、发病规律 病菌在病残体或土壤中越冬,春季病菌产生分生孢子,经气流传播引起植株发病。在作物 First, the symptoms of the disease mainly endangered fruit and fruit, but also can endanger the leaves. Damage to the fruit is generally the first invasion of residual filament receptacle, and then to the fruit and fruit stalks, resulting in the skin becomes pale soft rot, the incidence of late in the stalks at the Office of a large number of gray mold layer, after the fruit of water rigidity. Second, the incidence of pathogens Bacteria in the sick or soil overwintering, spring germs produce conidia, spread by air flow caused by plant disease. In the crop