7种药剂对高羊茅禾草云斑病的药效评价

Evaluations on the efficiency of 7 kinds of fungicides to Rhynchosporium secalis of Festuva elata

经 7种常用杀菌剂对高羊茅禾草云斑病的室内毒力测定及田间药效试验 ,结果表明 :50 %多菌灵、6 5%代森锌和 15%三唑酮对该病具有较好的预防作用。此三种药剂田间药效在药后 10d防效均达 70 %以上 ;在药后 15d ,防效最好的是

Toxigenicity test and field trials of 7 kinds of fungicides aiming at Rhynchosporium secalis of Festuva elata were studied.The results indicated that 50% carbendazim,65% zined and 15% triadimefon possess good prevention and protection effect to this disease.The prevention rates of these 3 kinds of fungicides were all up to 70% after applying 10 days.Furthermore,15% triadimefon had the best prevention effect after applying 15 days.