Superiority of tetraploid asparagus (Asparagus officinalis L.) in continuous cropping

被引：0
|
作者：
Yin, Y. L. [1 ]
Zhou, J. S. [1 ]
Tang, Y. P. [1 ]
Chen, G. Y. [1 ]
Luo, S. C. [1 ]
机构：
[1] Jiangxi Acad Agr Sci, Inst Vegetable & Flower, Nanchang 330200, Jiangxi, Peoples R China
来源：
ALLELOPATHY JOURNAL | 2020年 / 49卷 / 01期
基金：
中国国家自然科学基金;
关键词：
Allelopathy; asparagus; Asparagus officinalis L; autotoxicity; autotoxins; continuous cropping problem; diploid; extracts; HPLC; rhizosphere soil; seed germination; seedling growth; tetraploid; REPLANT PROBLEM; SEED-GERMINATION; DECLINE; AUTOTOXICITY; AUTOINTOXICATION; ALLELOPATHY; COMPOUND; GROWTH;
D O I：
10.26651/allelo.j/2020-49-1-1256
中图分类号：
S3 [农学（农艺学）];
学科分类号：
0901 ;
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.
引用
收藏
页码：89 / 98
页数：10
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