In recent years, rice black-streaked dwarf disease has been spreading in our province, and has occurred in Kaifeng and Fuyang areas along the Huangdao area. On August 16, Ren Ying, a rice expert and associate researcher at the Institute of Plant Protection of the Provincial Academy of Agricultural Sciences, reminded rice farmers that various measures should be taken to prevent and control rice black streaked dwarf disease.

Ren Yingfang said that the province mainly uses rice and wheat rotation along the Huangdao area. With the large area of ​​no-tillage sowing wheat field, the wintering base of the gray planthopper, which is the mediator of rice black-streaked dwarf disease, has increased year after year. Caused the rise and spread of the disease.

In response to the prevention and control of rice black-streaked dwarf disease, Ren Ying Party reminded rice farmers that they should choose the disease-resistant and disease-resistant varieties based on the prevention and control strategies of “cutting off the poison chain and controlling diseases and controlling diseases”, and covered with insect-proof nets or non-woven fabrics. Physical isolation measures such as breeding, and at the same time, using pesticides to control the gray planthoppers, that is, adopting the methods of controlling pests and diseases, such as “treating wheat fields, protecting the fields, treating the fields, protecting the fields, pre-treatment, and protecting the late period”, and controlling the number of gray planthoppers in multiple links. Prevent the spread of the virus and reduce the harm.

Link: Rice black-streaked dwarf disease is a rice virus disease that is widespread in southern China. It is mainly transmitted by Laodelphax striatellus, commonly known as "dwarf rice". If the black strip dwarf disease occurs seriously, the yield can be reduced by more than 50% or even rejected.

This article URL: Rice black strip dwarf disease prevention should be strengthened

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