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水稻稻曲病呈重发趋势,在我县发生呈加重趋势,该病发生后,不仅影响水稻产量、严重影响水稻的产量和品质。降低结实率和千粒重,导致水稻减产5%-10%,严重者减产30%左右,而且稻曲病菌含有C9H6O7有色毒素,病原菌附着在稻米上污染谷粒,人、畜吃后可造成腹泻、流产、早产等中毒现象,严重影响品质。发生原因主要是菌源充足、品种抗性差、气候条件适宜、田间管理不当与农民防治意识淡薄;防治对策包括选用抗病品种、消灭初侵染来源、加强栽培管理和进行
Rice false smut showed a tendency of recurrence and appeared aggravating trend in our county. After the disease occurred, it not only affected the rice yield, but also seriously affected the yield and quality of rice. Reduce the seed setting rate and 1000-grain weight, resulting in 5% -10% reduction in rice, 30% serious reduction in production, and the Ustilaucola virus contains C9H6O7 colored toxins, pathogens attached to the rice contamination of grain, human and animal eating can cause diarrhea, miscarriage , Premature birth and other poisoning, seriously affecting the quality. The causes are mainly: sufficient bacterial sources, poor variety resistance, suitable climatic conditions, improper field management and weak awareness of peasant prevention and control; prevention and control measures include selecting resistant varieties, eliminating sources of primary infection, strengthening cultivation management and carrying out