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。
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.
出处
《北方园艺》
CAS
北大核心
2013年第8期125-126,共2页
Northern Horticulture
基金
教育部"春晖计划"资助项目(Z2011009)
青海省科技厅科研资助项目(2012-Z-712)
