2013•Journal of Changjiang VegetablesRequires access

Control Efficacy of Several Mixed Fungicides on Cucumber Target Leaf Spot

Xing Guang-yao

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Abstract

For more effective prevention and control of cucumber target leaf spot(Corynespora cassiicola),we studied the control efficacy of several mixed insecticides against the disease.The results showed that the mixed fungicides were safe to cucumber,and had no bad effect on cucumber growth.The treatment 4% tetraconazole emulsion in water(EW)+25% prochloraz EW possessed the highest control efficiency of 94.02%,the following were 40% isoprothiolane wettable powder+25% prochloraz EW and 10% difenoconazole microemulsion+25% prochloraz EW,and both of their efficiency was above 90%,so the three mixed fungicides could be used to control cucumber target leaf spot.

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What this paper is about

For more effective prevention and control of cucumber target leaf spot(Corynespora cassiicola),we studied the control efficacy of several mixed insecticides against the disease.The results showed that the mixed fungicides were safe to cucumber,and had no bad effect on cucumber growth.The treatment 4% tetraconazole emulsion in water(EW)+25% prochloraz EW possessed the highest control efficiency of 94.02%,the following were 40% isoprothiolane wettable powder+25% prochloraz EW and 10% difenoconazole microemulsion+25% prochloraz EW,and both of their efficiency was above 90%,so the three mixed fungicides could be used to control cucumber target leaf spot.

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Available abstract

For more effective prevention and control of cucumber target leaf spot(Corynespora cassiicola),we studied the control efficacy of several mixed insecticides against the disease.The results showed that the mixed fungicides were safe to cucumber,and had no bad effect on cucumber growth.The treatment 4% tetraconazole emulsion in water(EW)+25% prochloraz EW possessed the highest control efficiency of 94.02%,the following were 40% isoprothiolane wettable powder+25% prochloraz EW and 10% difenoconazole microemulsion+25% prochloraz EW,and both of their efficiency was above 90%,so the three mixed fungicides could be used to control cucumber target leaf spot.

Key concepts: Fungicide, Corynespora cassiicola, Wettable powder, Horticulture, Biology, Leaf spot, Chemical control, Pesticide

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