Rice black-streaked dwarf disease is a rice virus disease that is widely endemic in the southern rice region of China. It is mainly transmitted by the planthopper, commonly known as “dwarf riceâ€. Severe occurrence of black streaked dwarf disease can reduce production by 50% or even no more. In recent years, rice black-streaked dwarf disease has been growing along the Yellow Rice area. The rice expert and associate researcher of the plant protection institute of the Henan Academy of Agricultural Sciences reminded the rice farmers that various measures should be taken to prevent black-streaked rice. Diminished disease.
Ren Yingdang said that along the yellow rice region in Henan, rice and wheat rotation is the main method. With the emergence of a large area of ​​no-tillage wheat, the wintering base for the black planthopper as a media for rice black-streaked dwarf disease has increased year after year. The disease has risen and spread. In response to the prevention and control of rice black-streaked dwarf disease, Ren Ying reminded rice farmers that they should select disease-resistant and disease-resistant varieties based on the prevention and control strategy of “severing the drug chain and controlling pests and diseases†and use insect-proof nets or non-woven fabrics to cover them. Physical separation measures such as childbirth, and the use of pesticides to control SBPH, that is, to adopt methods for treating pests and diseases, such as “treating wheat fields, protecting floodplains, treating cropland, protecting fields, pre-treating, and ensuring the later periodâ€, and controlling the number of SBPHs in multiple stages, Prevent the spread of the virus and mitigate the damage.
Ren Yingdang said that along the yellow rice region in Henan, rice and wheat rotation is the main method. With the emergence of a large area of ​​no-tillage wheat, the wintering base for the black planthopper as a media for rice black-streaked dwarf disease has increased year after year. The disease has risen and spread. In response to the prevention and control of rice black-streaked dwarf disease, Ren Ying reminded rice farmers that they should select disease-resistant and disease-resistant varieties based on the prevention and control strategy of “severing the drug chain and controlling pests and diseases†and use insect-proof nets or non-woven fabrics to cover them. Physical separation measures such as childbirth, and the use of pesticides to control SBPH, that is, to adopt methods for treating pests and diseases, such as “treating wheat fields, protecting floodplains, treating cropland, protecting fields, pre-treating, and ensuring the later periodâ€, and controlling the number of SBPHs in multiple stages, Prevent the spread of the virus and mitigate the damage.
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