A Primary Study on the Infections of Watermelon and Cucumber Seedlings by Isolate 8601 of Cotton Fusarium under Artificial Inoculation

doi:10.3321/j.issn:1000-7091.1989.z1.028

Abstract

Abstract: Strain 8601 of cotton Fusarium has been isolated from cotton plants with fusarium wilt in field. Young roots of watermelon and cucumber are respectively inoculated with the wilt isolate after its purification.After their emergence from sterilized soil, the seedlings show typical symptoms of wilt. Their cotyledons become yellow, plants dwarfish and vascular bundles brown. Heavily infected plants wither and isolates can be found in plants making a symptomless showing Fusarium which can infect cotton seedlings by artificial inoculation can be isolated from roots and stems of infected watermelon and cucumber plants.The results suggest that the strain of cotton fusarium may infect seedlings of watermelon and cucumber. This discovery may be of great significance to the production of watermelon and cucumber.

Key words: Cotton fusarium, Fusarium wilt, Watermelon, Cucumber

Luo Xicheng, Gu Tiesheng, Shi Linqi. A Primary Study on the Infections of Watermelon and Cucumber Seedlings by Isolate 8601 of Cotton Fusarium under Artificial Inoculation[J]. ACTA AGRICULTURAE BOREALI-SINICA, 1989, 4(S1): 159-162. doi: 10.3321/j.issn:1000-7091.1989.z1.028.

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