What are the common pests and diseases of rice cultivation? What pesticide is recommended?

For the control of rice stem borer and giant salamander, it is preferred to use Bacillus thuringiensis and Metarhizium anisopliae CQMa421, and the chemical agent may be selected from chlorantraniliprole, emamectin benzoate or methoxyfenozide.

Control of rice planthopper, seed treatment and transplanting with imprinting of imidacloprid and thiamethoxam (without the use of pymetrozine to delay the development of resistance); spray selection of Metarhizium anisopliae CQMa421, etofenproxil, nitenpyram, pyridin Anthrone.

For the control of rice leaf roller, it is preferred to use microbial pesticides such as Bacillus thuringiensis, Brassica californica nuclear polyhedrosis virus, Beauveria bassiana, Brevibacterium bacillus, Metarhizium anisopliae CQMa421, and chlorantraniliprole. Tetrachloramide, indoxacarb and the like.

For the control of rice blast, biological pesticides such as Bacillus subtilis, polyclonal antibiotics, chunleimycin, Jinggang·wax, and pyridazin, or tricyclic or albendazole are used.

For the control of sheath blight and rice smut, the use of Jinggang · wax bud, Jinggangmycin A (24% A high content preparation), Shen Xiamycin and other biological agents or benzomethoxazole, epoxiconazole, copper · Chemical agents such as epoxiconazole.

To prevent bacterial diseases such as bacterial base rot and bacterial blight, use Bacillus subtilis, thiazolone, and thiazole zinc. To prevent viral diseases, use fluorofluorophosphate and ningnanmycin.

It is worth noting that when applying biopharmaceutical varieties, the application period should be appropriate to ensure the efficacy. Rice aphids, rice fish, rice crabs and other agro-ecological breeding areas and adjacent mulberry sericulture areas need to be carefully selected; the neonicotinoid insecticides (imidacloprid, acetamiprid, thiamethoxam, etc.) should be used with caution in the flowering stage of rice. ), reduce the impact on pollinators; use triazole fungicides carefully at the heading stage to avoid phytotoxicity.

Promote rational use and mixing of different mechanisms of action to avoid long-term, single use of the same agent. Promote the use of high levels of single agents and avoid the use of low levels of compounding agents. It is forbidden to use pesticides containing pyrethroids and use organophosphorus pesticides with caution.

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