Impatiens balsamase is caused by axoropsis, an oomycete. After the onset, the lesions on the leaves were irregularly chlorotic plaques at the beginning of the lesion and became tan or brown necrotic plaques at the late stage. White molds were seen on the back of the leaves, which were thicker and denser. When they were severe, they covered the entire leaf and caused the leaves to dry. Affect the viewing. Control methods:

1. When impatiens are planted, care should be taken to choose plots that are densely planted, carefully maintained, scientifically fertilized and watered according to the plant's needs, and spray Zhuang stalks in a timely manner to make the stem thicker, leaves with thick leaves, and fresh leaves. Plants flourish. After the rain, it should be drained in time to prevent moisture from staying.

2, flower bud period to spray flowers Zhuang Ti Ling, can promote flower buds strong, petal hypertrophy, beautiful colors, floral rich, prolonged flowering. It can also be used as a method of topping out, and at the same time removing the flowers and buds that were opened earlier, so that the plants can be expanded and more buds can be grown.

3. In the early stage of the disease, spray in a timely manner antivirus WP and new high-fat film for prevention and treatment, about 10 days 1 time, control 2-3 times. (Rain)

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API Afatinib Dimaleate,Afatinib Dimaleate BIBW2992,CAS 850140-73-7

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