文献类型： 外文期刊
作者： Yin, Y. L. 1 ; Zhou, J. S. 1 ; Tang, Y. P. 1 ; Chen, G. Y. 1 ; Luo, S. C. 1 ;
作者机构： 1.Jiangxi Acad Agr Sci, Inst Vegetable & Flower, Nanchang 330200, Jiangxi, Peoples R China
关键词： Allelopathy; asparagus; Asparagus officinalis L.; autotoxicity; autotoxins; continuous cropping problem; diploid; extracts; HPLC; rhizosphere soil; seed germination; seedling growth; tetraploid
期刊名称：ALLELOPATHY JOURNAL （ 影响因子：0.962； 五年影响因子：0.99 ）
ISSN： 0971-4693
年卷期： 2020 年 49 卷 1 期
页码：
收录情况： SCI
摘要： We investigated the tolerance of two Asparagus (Asparagus officinalis L.) cultivars : diploid 'JG701' and tetraploid 'JGH', to autotoxicity in continuous cropping. The effects of root, foliage and rhizosphere soil extracts were tested on seed germination. Organic acids from rhizosphere soil were identified by HPLC. Results showed that plant fresh weight of two cultivars of asparagus decreased under replant system. However, root and shoot weights 'JGH' were higher than of 'JG701' after the second replanting. Soil extract of 'JGH' was less inhibitory to seed germination and radicle length than of 'JG701'. The tetraploid cultivar proved superior to the diploid in continuous cropping.
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