Studies on identification of eggplant phomopsis rot caused by Phomopsis vexans and its biological characteristics

Studies on identification of eggplant phomopsis rot caused by Phomopsis vexans and its biological characteristics

2013

A:PS

The morphological characteristicspathogenicity and biological characteristics of the pathogens isolated from Eggplant phomopsis rot of Wuhan were studiedLarge numbers of diseased eggplant samples were collected from different planting areas of WuhanFifteen isolates of possible pathogenic fungi were isolated from leavesstems and fruits of infected phomopsis rot plantsBased on the pathogenicity experimentthe results showed that the 15 isolates were the pathogens of Eggplant\n Phomopsis Rot diseaseThe morphological identification showed that 15 isolates were Phomopsis\n vexansThe results of studies on biological characteristics of pathogens showed that the optimum culture medium for mycelial growth were PDA and PSAbeneficial to spores culture medium were oats medium, the optimum temperature for mycelial growth were 25-30 and the optimum pH value were 4-7and light promoted the growth of mycelialThe pathogen could make use of various carbon and nitrogen sources. Maltose was the best carbon source and sodium nitrate was the best nitrogen sourceThe lethal temperature for mycelial growth was 55 for 25 min.

8:80-85, CHINA VEGETABLES

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