Screening,Identification and Fungicide's Biological Test of Fusarium Wilt of Cucumber in Greenhouse in Taiyuan City
Zhang Zhi-jia
Abstract
Zhang Zhi-jia
Abstract
14 strains of Fusarium spp.were isolated from rhizosphere soils of cucumbers in Taiyuan,which was a special ecological condition.Fusarium oxysporum 52.13 %,F.monilifirme 19.24 %,F.solan 28.36%were respectively identified through microscope,and were tested.The results showed that Fusarium oxysporum proved to be virulent,F.monilifirme and F.solan were less virulent.Toxicity of 9 kinds of fungicides against Fusarium wilt of cucumber was determined in laboratory by means of pertidish test.The results showed that fluquinconazole and difenoconazole and t hiram provided a good control for Fusarium wilt of cucumber.
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14 strains of Fusarium spp.were isolated from rhizosphere soils of cucumbers in Taiyuan,which was a special ecological condition.Fusarium oxysporum 52.13 %,F.monilifirme 19.24 %,F.solan 28.36%were respectively identified through microscope,and were tested.The results showed that Fusarium oxysporum proved to be virulent,F.monilifirme and F.solan were less virulent.Toxicity of 9 kinds of fungicides against Fusarium wilt of cucumber was determined in laboratory by means of pertidish test.The results showed that fluquinconazole and difenoconazole and t hiram provided a good control for Fusarium wilt of cucumber.
Key concepts: Fusarium oxysporum, Fusarium wilt, Fungicide, Fusarium, Biology, Rhizosphere, Horticulture, Biological pest control