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| Antagonism of Trichoderma viride against Fusarium oxyporum and Rhizoctonia solani on Cucumber |
| Gao Wei1,2，Li Baoju2，Sun Junde1，et al. |
| College of Land and Environmental Science，Shenyang Agricultural University，Shenyang 110161 |
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Abstract Trichoderma spp.was isolated from the substitute cultivation of Pleurotus ostreatus，then the antagonistic action of isolated Trichoderma viride with Fusarium oxyporum and Rhizoctonia solani on cucumber was researched.The isolated Trichoderma viride TH4 strongly antagonized these two soil-borne pathogens.The parasitism of TH4 on these two soil-borne pathogens was observed by optical microscopy.By the cellophane disk method and enclosed chamber test，we drew the conclusion that the non-volatile metabolites and volatile metabolites of TH4 had the inhibition effect to the two soil-borne pathogens.
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Received: 13 December 2007
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