首页> 中文期刊> 《湖北大学学报(自然科学版)》 >“绿满园”对柑桔红蜘蛛的田间防治效果及对金鱼的毒性测定

“绿满园”对柑桔红蜘蛛的田间防治效果及对金鱼的毒性测定

             

摘要

测定“绿满园”水剂对柑桔红蜘蛛Panonychus citri的田间防治效果及对非靶标生物金鱼Carassius auratus 的急性毒性.结果表明,64%“绿满园”水剂800倍和1 000倍稀释液在施药后7d和15d对柑桔红蜘蛛的防治效果均极显著地高于对照杀螨剂:15%扫螨净和57%炔螨特,其中以800倍稀释液防治效果最好,15d的防效达97.21%,800倍和1 000倍稀释液的防治效果差异不明显.金鱼的死亡率随“绿满园”浓度的升高和染毒时间的延长逐渐增加.“绿满园”水剂对金鱼的急性毒性小于阿维菌素.%The controlling role of Panonychus citri by "Lumanyuan" in the filed and the measurement of its acute toxicity to Carassius auratus were carried out. The results showed that, 15 days after spraying, the controlling roles of 800 folds and 1 000 folds dilution of 64% "Lumanyuan" to P. citri was obviously higher than 15% pyridaben and 57% propargite. 800 fold dilution of "Lumanyuan" had the best controlling role to P. citri and the controlling effect was 97. 21%. There was no significant difference on controlling effects between 800 folds and 1 000 folds dilution of "Lumanyuan" to P. citri. The mortalities of C. auratus increased with the rise of the concentration and treatment time of "Lumanyuan" and "Lumanyuan" has lower acute toxicity to C. auratus than avermectin.

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