Paddy rice pest and disease control technology

Abstract

The invention relates to a paddy rice pest and disease control technology. The invention relates to the technical field of agricultural cultivation, and especially relates to a paddy rice pest and disease control method. The technology provided by the invention is comprehensive, and pesticide dose can be reduced with the technology. The paddy rice pest and disease control technology is characterized in comprising the following steps: 1, rice blast is controlled, wherein rice blast symptom can occur during the whole rice growth period; and according to sites and symptoms, rice blast can be divided into seedling blast, leaf blast, leaf section blast, section blast, panicle blast and grain blast; 2, a liquid agent for controlling rice sheath blight should be sprayed at middle and lower parts of rice plants; 3, for controlling rice false smut, an agent is applied for a first time 7-10 days before splitting, and controlling is carried out once again during the splitting stage; 4, rice stem borer is controlled, wherein first-generation control should be carried out in time when a field sheath blight rate is higher than 5%; and 5, rice planthopper is controlled, wherein ice planthopper control should be carried out during a small nymph peak period; pesticide application should be carried out from the periphery to the inner part of the field, to surround and annihilate.

Description

technical field [0001] The invention belongs to the technical field of agricultural planting, and in particular relates to a method for preventing and controlling rice diseases and insect pests. Background technique [0002] Rice is native to tropical Asia, and after being widely planted in China, it gradually spread to all parts of the world. According to different methods, rice can be divided into indica rice and japonica rice, early rice and middle and late rice, glutinous rice and non-glutinous rice. Chinese scientist Yuan Longping has made great contributions to the research of hybrid rice and is known as the "father of hybrid rice". The fruit of rice is paddy, and paddy (grain) is called rice, fragrant rice, rice or rice after shelling. Nearly half of the world's population feeds on rice. There are various ways to eat rice, including rice, rice porridge, rice cakes, rice cakes, rice noodles and rice wine. In addition to being edible, rice can also be used as indust...

AI Technical Summary

Problems solved by technology

[0003] During the growth process of rice, various diseases and insect pests need to be prevented and controlled. However, in the prior art, the methods of preventing and controlling rice diseases and insect pests are not perfect, and too many pesticides are used, resulting in slow growth of rice and insufficient rice grains, which affect the yield.

In addition, it is prone to the problem of excessive pesticide residues in rice