Days of pheasants are genus Thysanoptera and Thripidae. The worm uses adult larvae and nymphs to suck the young shoots, leaves, flowers and fruit juices of the zucchini, spawn at the same time in young tissues, causing damage and slow crop growth. The tender head and young cucurbits of the zucchini turn black and the melon peels cracks, which seriously affects the yield and quality.
Control methods: Chemical prevention is carried out when there are 3-5 heads of adults per tender head or heart. 25% thiamethoxam dispersant 30-56 g/ha, 5% doxorubicin suspension 30-37 g/ha, and 28% insecticidal worm wettable powder 84-126 g/ha spray can be used. Once every 7 days, use it 2-3 times in succession.
The United States Food and Drug Administration (FDA) has published the Dietary Supplement Health and Education Act (DSHEA), which provides for dietary supplements. A product (other than tobacco) intended to supplement the diet may contain one or more of the following dietary ingredients: A vitamin, a mineral, an herb (herbal) or other plant, an amino acid, a food component used to increase the total daily intake to supplement the diet, or a concentrate, metabolite, component, extract or combination of the above ingredients, etc. It also includes approved new drugs, vitamins or biologics that have been marketed as dietary supplements or food products before they are approved, issued or licensed. The DSHEA defines dietary supplements as their composition and labeling requirements: the product form may be pill, capsule, tablet or liquid; The product shall not be used as a substitute for ordinary foods or as an exclusive dietary item. The product shall be labeled as a "dietary supplement".
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