2010•System Sciences and Comprehensive Studies in AgricultureRequires access

The Effect of Trichoderma spp. Agent on Cucumber Disease and Growth

Lili Zhan

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Abstract

In this study,we conducted a lab bioassay and field trial with Trichoderma asperellum and Trichoderma spp.against cucumber damping-off disease caused by Fusarium oxysporum f.sp.Cucumarinum.The result shows that the EC50 of Trichoderma against Fusarium oxysporum f.sp.Cucumeris was 535 spores/ml.We concluded that Trichoderma has a great efficacy against pathogens.The control rate on cucumber damping-off disease was 54.4%,Fusarium oxysporum(SChl) f.sp.cucumerinum was 89.5%.It was also found that the application of Trichoderma agent enhanced the cucumber flowering and yield.

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What this paper is about

In this study,we conducted a lab bioassay and field trial with Trichoderma asperellum and Trichoderma spp.against cucumber damping-off disease caused by Fusarium oxysporum f.sp.Cucumarinum.The result shows that the EC50 of Trichoderma against Fusarium oxysporum f.sp.Cucumeris was 535 spores/ml.We concluded that Trichoderma has a great efficacy against pathogens.The control rate on cucumber damping-off disease was 54.4%,Fusarium oxysporum(SChl) f.sp.cucumerinum was 89.5%.It was also found that the application of Trichoderma agent enhanced the cucumber flowering and yield.

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Available abstract

In this study,we conducted a lab bioassay and field trial with Trichoderma asperellum and Trichoderma spp.against cucumber damping-off disease caused by Fusarium oxysporum f.sp.Cucumarinum.The result shows that the EC50 of Trichoderma against Fusarium oxysporum f.sp.Cucumeris was 535 spores/ml.We concluded that Trichoderma has a great efficacy against pathogens.The control rate on cucumber damping-off disease was 54.4%,Fusarium oxysporum(SChl) f.sp.cucumerinum was 89.5%.It was also found that the application of Trichoderma agent enhanced the cucumber flowering and yield.

Key concepts: Fusarium oxysporum, Trichoderma, EC50, Biology, Biological pest control, Horticulture, Fusarium, Spore

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