论文部分内容阅读
使用效价为380～460IU／mg，剂量1～2ml／m2的苏云金杆菌以色列变种地方株乳剂能有效的控制城市成蚊和幼虫密度，连续使用10年后幼虫密度下降78．9％～100％，成蚊平均相对叮咬密度下降89.4％，降低了蚊虫的季节性高峰。未发现蚊虫对生物制剂产生抗性。
The density of adult mosquitoes and larvae in the city was effectively controlled by using local strains of Bacillus thuringiensis isolates with the potency of 380-460IU / mg and the dose of 1-2ml / m2. After 10 years of continuous use, the density of larvae decreased by 78.9% -100% , The average relative biting density of adult mosquitoes decreased by 89.4%, reducing the seasonal peak of mosquitoes. Mosquitoes were found to be resistant to biological agents.