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How to Control Walnut Slug Moth Pests and Diseases
1. Distribution and damage symptoms. They are a group of omnivorous pests, commonly including the yellow slug moth, the brown slug moth, the green slug moth, and the flat slug moth, all distributed throughout the country. The larvae feed on leaves, affecting tree vigor and yield, and they are important pests of walnut leaves. Young larvae feed on the lower epidermis and mesophyll of the leaf surface
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What are the control methods for Hydrangea ringspot virus?
[Distribution and Damage] Hydrangea (Hydrangea macrophylla), also known as bigleaf hydrangea, is a deciduous shrub planted throughout China. Viral infections are relatively common, with ringspot being the most frequent. It is generally latent; severely affected plants become stunted, with few or no flowers. [Symptoms] Leaves become crinkled,
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How to control the mango tree borer (Chlorophorus annularis)
Distribution and damage: it occurs both at home and abroad, and in China it occurs to varying degrees in Yunnan, Guangdong, Guangxi, Fujian and other places. The larvae bore into and feed on the branches of fruit trees such as mango and cashew, usually entering from young branches and gradually boring downward to large branches and the trunk, seriously affecting
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