苯醚甲环唑等4种药剂对径山茶炭疽病的防效与残留检测

Control effects and residue detection of four fungicides including diphenoxazole on Gloeosporium theae-sinensis Miyake of Jingshan Tea

采用吡唑醚菌酯、苯醚甲环唑、氢氧化铜、百菌清等4种杀菌剂进行防治径山茶炭疽病试验,并进行了残留检测。结果表明,在龙井43茶树上,几个药剂对炭疽病具有一定的保护作用,但防治效果并不明显; 4种杀菌剂在茶叶上残留少、不超标。