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《Journal of Jilin Agricultural Sciences》 2007-05
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Studies on Toxicity in Lab and Field Control Effect of 9 kinds of Fungicides against Curulaia lunlata.

LI Guang-Ling1,CHEN Xi-Ling1,WANG Jian-Hua1,ZHAO He-qing2,FEI Chun-mei1 (1. Henan College of Science and Technology,Xinxiang 453003; 2. Baiquan Town Government of Huixian County,Huixian 453600,China)  
The toxicity of 9 kinds of organic fungicides against Curvularia lunata was measured in laboratory by the growth rate method. And the biggest toxicity fungicides were filtrated with some mixed experiment. The results showed that Diniconazole and Iprodione were of stronger inhibitory effect to Curulaia lunlata. And their correlation coefficient of regression curve and EC50 were 0.973,0.965 and 1.4048 E+1,2.2172E+1 respectively. And the results of experiment of co-toxicities of Diniconazole and Iprodione in 5:5 (V:V) showed that it was not only putted up more synergistic effect but also it's inhibitory ratios were the biggest to Curvularia lunata. It's co-toxicity coefficient and relative inhibited ratio were 147 and 32.30 % respectively. And the field control effect showed that it was higher markedly than the two kinds of single fungicides and Clorothalonil,which was usually used to control Curulaia lunlata in the practice at present.
【Fund】: 国家粮食丰产工程资助项目(2004BA520A06-11)
【CateGory Index】: S435.131
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