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Effect of Root Exudates from Cucumber Cultivars on Pathogen of Fusarium Wilt |
Han Xue; Pan Kai; Wu Fengzhi |
Horticulture College; Northeast Agricultural University; Harbin 150030 |
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Abstract The root exudates from 6 cucumber cultivars with different resistance to Fusarium wilt were collected,and their effects on pathogen spore germination,mycelium growth and biomass were tested with medium culture.The results showed that the root exudates from resistant cultivars had significant suppression to the three indexes mentioned above.The root exudates from susceptible ones had an opposite effect to the pathogen.The sugar content in the root exudates of susceptible cultivars was much lower than that of...
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Received: 15 November 2005
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