What are the herbicides in the wheat field?
What are the herbicides in the wheat field:
Superstar: It can prevent a variety of broadleaf weeds and can be used before wheat jointing. It works best in 4-5 leaf stage. Need to pay attention to the use is: should choose to spray at noon on sunny days, to avoid temperature below 10 drugs; broad beans, rapeseed, green manure sensitive to the drug, to prevent fog drift and produce phytotoxicity, the application of wheat can not be interplanted within 30 days Such crops. In addition, after the medication, the medicine should be thoroughly cleaned, and be careful not to pollute the water source.
Hummer: It can prevent a variety of grass weeds, can be applied in wheat seedling stage and jointing stage, and the effect is better when the temperature and humidity are higher. It should be noted that the drug is only used in wheat fields and is harmful to crops such as barley, wheat, sorghum and corn. Although it is not poisonous to birds and bees, it is toxic to fish.
Green grass long: used to control grass weeds and some broad-leaved weeds, the rational use period is after the wheat is planted and before the wheat field returns to green. It should be noted that the weather should not be applied in case of freezing damage, so as to avoid the occurrence of phytotoxicity; the application of the exposed seeds should be avoided in the application, and the field should be kept moist after application.
Make it long: It can prevent a variety of broadleaf weeds. The period of application is from 3-5 leaves of wheat seedlings to the beginning of jointing. It should be noted that wheat should be banned within 30 days before harvesting; spray should be avoided when spraying. Peanuts, rapeseed and other broad-leaved crops; spray within 1 hour after spraying.
Dimethyltetrachloride: used to control sedge weeds and some dicotyledon weeds, the period of application is from 4-5 leaf stage of wheat seedlings to before jointing. It should be noted that: wheat 4 is sensitive to the drug before and after jointing, it is not suitable for spraying; it can not be mixed with alkaline pesticides during use to prevent the reduction of efficacy; interplanting cotton, soybean, rape, melon and other dicotyledonous plants Fields should not be used.
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