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| Studies on The Effect of Different Nutrient Solution Treatments on Disease Contr olling and Yield Improving of Lettuce in NFT System |
| Li Guojin g; 2F. Benoit; 2N.Ceustermans |
| 1Institute of Horticulture; Zhej iang Academy of Agricultur al Sciences; Hangzhou 310021; 2European Vegetable R & D Center; B-2860 Sint-Katelijine-Waver; Belgium |
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Abstract The experiment on the effect of solution cooling, UVc- disinfection and the application of the antagonistic fungus Trichoderma on d isease controlling and yield improving of lettuce in NFT system was carried out . The results indicated that the plants from UVc disinfection yielded better and h ad less root necrosis symptoms than those from control. While the growth of the plants from solution cooling to 10℃ and to 14℃ was delaye d. The application of Trichoderma could alleviate the pathogen pressure to ...
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Received: 01 February 2001
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