We introduce symptom of strawberry powdery mildew.
Strawberry powdery mildew mainly occurred after the shed, which mainly invaded the leaves during the seedling stage, and flower and fruit were mainly infested during the flower and fruit stage. In the early stage of disease, there is a sparse white mold layer on the back of the leaves. As the disease progresses, the mold layer becomes thicker and forms thicker white round spots. In severe cases, the leaves roll up and infect the petioles, fruit stems, and the leaves produce reddish-brown lesions. The leaf margins are atrophic. Dry; flowers from susceptible to white to pink; young fruit after the disease can not be normal expansion, dry wilt; results of the consequences of a layer of white hair on the surface, the color is slowly uneven, the fruit loses luster and hardened to stop growing; seriously affect the strawberry The commodity value and food value.
YT-H706
YT-H706
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