Factors affecting chlamydospore formation by Fusarium solani f. cucurbitae in pure culture |
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| Authors: | B Schippers KM Old |
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| Institution: | Phytopathological Laboratory “Willie Commelin Scholten”, Baarn, The Netherlands |
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| Abstract: | A study was made of several factors affecting the production of chlamydospores by Fusarium solani f. cucurbitae in pure culture. Lysis of macroconidia and chlamydospore formation is favoured by the absence of glucose in liquid culture media. Both low pH and addition of ammonium chloride to the culture medium reduces lysis of macroconidia and inhibits chlamydospore formation. Chlamydospores formed in media lacking glucose were produced from macroconidia in a manner resembling their formation in soil. They were examined by light and electron microscopy. When placed into natural soil, they acted as survival structures. |
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