When spring comes back to the earth, everything recovers. At the same time that the fruit trees are awakening, many kinds of pests are just around the corner and they begin to worship.
I. Occurrence of apple pests (1)
1, rot disease in late February into the peak of onset, lesions expand, damage increased, and a large number of sporadic spore transmission infection.
2. Infected and diffused in early spring, the root-leaf spotted fungus has reached its peak after germination.
3. The golden mosquito moths begin feathering in mid-March and begin spawning in late March.
(4) Japanese ball insects (coccids) began to inhale in mid-and late-March, and gradually inflated.
5, Hawthorn leafhopper (Red spider), leaf roller moth, tip leaf roller moth, poison moth, foot moth (Cockroaches) class, withered moths and stellar butterfly etc.
6, Spiraea aphid (Astragalus membranaceus) and apple tumor larvae began to hatch in late March.
7. Powdery mildew Infected buds when apple sprouted in late March.
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