Practice has proved that cotton must be high-yield and management is the key. In the growth and management of cotton, spraying is an important part of management. Cotton pests often occur: there are locusts, red spiders, blind stink bugs, red bollworms, cotton bollworms, diamond drills and so on. These pests have different oviposition sites and hazards, so be careful about where to fight drugs.
Cotton seedlings, aphids, red spiders, etc. on the back of the cotton leaf hazards, spraying pesticides, medicine sprayed on the back of the leaves. In the middle and later stages of cotton, the red bollworm spawns on the back of tender tips, tender stems, and tender leaves. Most of the eggs are produced between the young sepals and the shell of the bell, and the larvae enter into young ages. The eggs of the cotton bollworm are produced on the front side of the cotton leaves, and the larvae eat buds, flowers, and bells. The eggs of the mongooses are produced inside the leaves, sucking the juice from young leaves and young bells.
Prevention of pink bollworm, medicine sprayed on the lower part of the bell; prevention and treatment of bollworm, syrup should be sprayed on the front and tender tip, stems and leaves and budding bell parts; blind stink bug activity, the syrup sprayed on the front of the leaf , tenders, stems and bells.
The majority of cotton farmers should pay attention to: In the cotton spray, to protect the flower bell, cotton is often in the morning flowering, if sprayed at this time, it is easy to make the pollen particles swelling and rupture, affecting normal pollination, and after 4 pm The drug and pollination process are basically completed, and the impact of spraying is less.
Cotton seedlings, aphids, red spiders, etc. on the back of the cotton leaf hazards, spraying pesticides, medicine sprayed on the back of the leaves. In the middle and later stages of cotton, the red bollworm spawns on the back of tender tips, tender stems, and tender leaves. Most of the eggs are produced between the young sepals and the shell of the bell, and the larvae enter into young ages. The eggs of the cotton bollworm are produced on the front side of the cotton leaves, and the larvae eat buds, flowers, and bells. The eggs of the mongooses are produced inside the leaves, sucking the juice from young leaves and young bells.
Prevention of pink bollworm, medicine sprayed on the lower part of the bell; prevention and treatment of bollworm, syrup should be sprayed on the front and tender tip, stems and leaves and budding bell parts; blind stink bug activity, the syrup sprayed on the front of the leaf , tenders, stems and bells.
The majority of cotton farmers should pay attention to: In the cotton spray, to protect the flower bell, cotton is often in the morning flowering, if sprayed at this time, it is easy to make the pollen particles swelling and rupture, affecting normal pollination, and after 4 pm The drug and pollination process are basically completed, and the impact of spraying is less.
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