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《Journal of Plant Resources and Environment》 2004-04
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Effects of Cucurbita ficifolia as rootstock on growth, fruit setting, disease resistance and leaf nutrient element contents in Cucumis sativus

ZENG Yi-an, ZHU Yue-lin~(①), HUANG Bao-jian , Yang Li-fei (College of Horticulture,Nanjing Agricultural University, Nanjing 210095, China),  
To explore the superiority of Cucurbita ficifolia Bouché in the growth of Cucumis sativus Linn., using C. ficifolia as rootstock and two C. sativus cultivars 'Jinlü 21-1' and 'Jinyan 4' as scions, grafting was made to compare the differences in morphological indexes, disease resistance, individual yield and leaf nutrient element contents between grafted and self-root plants. The results showed that morphological indexes at different stages of grafted plants were significantly higher than those of self-root plants. The individual yield of grafted plant was significantly higher than that of self-root plant. Disease index and disease percentage of wilt, virus, downy mildew and botrytis of grafted plants were lower than those of self-root plants. Contents of N、P、K、Ca and Mg in leaves of grafted plants were significantly higher than those of self-root plants. The above results indicate that C. ficifolia, as an excellent rootstock, can significantly promote growth, fruit setting, disease resistance and leaf nutrient element contents of C. sativus.
【Fund】: 教育部留学回国基金资助项目([2001]498);; 江苏省科学技术厅资助项目(BE2002304;BC2003306)
【CateGory Index】: S642
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