【摘要】 细菌性黑斑病是核桃上重要病害之一,且发病情况逐年加重。为了寻求一种绿色、广谱、安全、高效的杀菌剂控制病害发生,采用不同浓度2%宁南霉素水剂对核桃细菌性黑斑病进行田间防治试验。结果表明:2%宁南霉素水剂对核桃细菌性黑斑病具有较好防治效果,防效达到63.3%,持效性好,对核桃安全且对于核桃的生长有促进作用。更多还原

【Abstract】 Bacterial blight is one of the serious diseases of walnut,and its incidence increases in recent years.In order to seek a green,broad-pectrum,safe and efficient fungicide to control the disease,different concentrations of 2% Ningnanmycin were used to control the bacterial blight of walnut in field.The results showed that 2% Ningnanmycin had better control effect on Walnut bacterial blight,and the control efficiency reached 63.3%.The fungicide had better effective duration,and was safe and promotive to the walnut growth.更多还原