The main pest control targets for rice pests are aphids, rice planthoppers, rice blast, sheath blight, and rice gall midge pests. The focus is on the promotion of comprehensive prevention and control technologies, that is, using rice as the mainstay, based on agricultural control, and rational use of pesticides to protect By using natural enemies methods, the prevention and control measures will be matched so as to improve the overall control effect, minimize the use of chemical pesticides, and achieve economic, safe and effective objectives.
Precaution
In the areas where S. sanguinalis and P. utilis occur, we must rationally arrange sculpins, reduce the mixed area, reduce the damage of pests and bridges, and adjust the sowing and transplanting seasons to prevent local conditions; soaking the fields early and reducing wintering time. Responsible for the survival rate of pupae and pupae, and select the varieties with good resistance to diseases and insect pests for the main diseases and insect pests in the area; disinfect the seed and treat the soil in the dry seedlings in the dry field to prevent the occurrence of seedling diseases; Water and fertilizer management and other fitness cultivation techniques enhance the resistance of rice strains to pests and diseases.
Rational drug use
According to the forecast and forecast of grassroots pests and diseases, through field investigations, and based on prevention and control indicators, a small area (秧田) was used to maintain a large area, after the control, and to seize the key, taking into account the general strategy, choose the pesticide on the road. To control trichoconazole in rice blast, rice indole and chlorimidicarb; to control bleomycin with sheath blight; to control bacterial blight, bacterial leaf streak in leaves, or to use in leaves; Indica leaf blight, rice smut, cloud disease, sheath rot, smut, and melanotic turbinosis, etc., may be used in powder embroidered rice or 40% scutellariae; Pyridine, Bt, etc. may be used to control rice planthoppers. ; Control of rice gall midge selection Yi Shufeng and so on.
Rice blast, rice smut, and rice blast mosquitoes are particularly important. Control of rice blast during rice breakage (10% of rice plant breaks); rice smut disease is used 3 to 5 days before rice breakage; control of rice gall midge, paddy field 5 days after sowing, transplanting after Honda 5 ~ 7 days application.
It is prohibited to use pyrethroids and their mixed pesticides in paddy fields. It is strictly prohibited to use methamidophos and other highly toxic and highly toxic pesticides in the later stage of rice. It is prudent to use triterpenoids and other organophosphorus pesticides to prevent and control aphids in the early stage of rice so as to avoid triggering rice. An outbreak of fly fleas in the late period.
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