【摘要】 以番茄早疫病菌为试验对象,采用含药培养基法进行毒力测定,研究了不同质量浓度的纳米Cu2O(250、500、750、1 000、1 250mg/kg)对番茄早疫病菌的抑制作用。结果表明:纳米Cu2O对番茄早疫病菌有明显的抑制作用。不同质量浓度的纳米Cu2O对番茄早疫病菌的抑制效果不同;抑制作用与质量浓度呈正相关,毒力回归方程的相关系数达到0.98以上;纳米Cu2O对番茄早疫病菌的有效中浓度EC50为535.8mg/kg。更多还原

【Abstract】 Taking Alternaria solani as material,the inhibitory effects of different concentrations of Nano-cuprous oxide(Cu2O)(250,500,750,1 000,1 250 mg/kg) on Alternaria solani of tomato were studied,and drug-containing medium was used for conducting the toxicity test.The results indicated that Nano-Cu2O had significant effects on Nano-Cu2O of tomato.Different concentrations of Nano-Cu2O had different inhibitory effects on Alternaria solani of tomato;the inhibitory effect was positively correlated to concentration,and correlation coefficient was over 0.98;the EC50 was 535.8 mg/kg for Alternaria solani of tomato.更多还原