Prevention and control method for rice diseases and pests

Abstract

The invention relates to the field of pest control of rice, concretely relating to a prevention and control method for rice diseases and pests. The method comprises the following steps: step 1, preparing 20% prochloraz diluted by 1500-2000 times to soak seeds for 1 to 2 days for pregermination and sowing; drying seeds on sunny days before sowing and eliminating impurities and diseased seeds by hand picking; step 2, drying seeds on sunny days before sowing, eliminating unqualified seeds by hand picking and soaking dried seeds with clean water for half a day; step 3, utilizing 35 g of 75% of Fengdeng and 80 g of 90% monosultap with addition of 50 kg of water and spraying the mixture onto leaf surfaces for 3-4 days before transplanting of seedlings; step 4, matching semi-fermented distilled grains, rapeseed cakes, and pig manure for use when base fertilizers are applied to rice and uniformly scattering semi-fermented distilled grains, rapeseed cakes, and pig manure to paddy fields. The prevention and control method for rice diseases and pests is convenient to apply from a seedling growing phase to a rice panicle growing phase so that yield of rice is ensured. The method can be utilized by professional planting staff or ordinary farmers for reference. Therefore, rice diseases and pests are prevented and controlled.

Description

technical field [0001] The invention relates to the field of rice pest control, in particular to a method for preventing and controlling rice pests. Background technique [0002] Rice is one of the most important food crops in China, and it is also the food crop with the largest output. The stable growth of rice plays a fundamental role in ensuring national food security. The annual planting area of ​​rice in the country is more than 390 million mu, accounting for about 30% of the grain crop area. Regardless of the planting area and output, it ranks first in my country's grain crops. The high yield and harvest of rice are directly related to the problem of feeding hundreds of millions of people social stability. Long-term use of pesticides to kill insects will easily cause a small amount of pesticide toxins to accumulate in rice, which will cause harm to people's food; during the use of pesticides, the pungent smell of pesticides will bring discomfort to people's lives and c...

AI Technical Summary

Problems solved by technology

Long-term use of pesticides to kill insects will easily cause a small amount of pesticide toxins to accumulate in rice, which will cause harm to people's food; during the use of pesticides, the pungent smell of pesticides will bring discomfort to people's lives and cause environmental damage. Pollution; the use of insecticides and pesticides is prone to accidents that damage rice

Insecticidal pesticides are used to kill insects. In this case, most of them are sprayed on the surface of rice, which cannot effectively kill pest eggs