文献类型: 外文期刊
第一作者: Liu, Xingang
作者: Liu, Xingang;Dong, Fengshou;Li, Jing;Gong, Yong;Zhu, Guangyan
作者机构:
关键词: Amaranthus retroflexus L.;Avena fatua L.;Biological induction;Capsella bursa-pastoris L.;Digitaria sanguinalisL.;DIMBOA;hydroponic;Lolium multiflorum Lam.;Poa annua L.;pot culture;wheat
期刊名称:ALLELOPATHY JOURNAL ( 影响因子:0.962; 五年影响因子:0.99 )
ISSN:
年卷期:
页码:
收录情况: SCI
摘要: We investigated the induction effects of DIMBOA by 6 weed species in wheat seedling in hydroponic and in pot culture. In hydroponic experiments, DIMBOA content in both root exudates and shoots of wheat seedlings were significantly increased by Digitaria sanguinalis L., Avena fatua L. and Amaranthus retroflexus L. weeds. While Poa annua L., Lolium multiflorum Lam. and Capsella bursa-pastoris L. showed less production of DIMBOA in wheat root exudates and shoots. In pot culture the biological inductionof DIMBOA in wheat plants by former 3-weeds was similar to hydroponic solution, but DIMBOA content in shoots was higher in pot than in hydroponic solution. With the increase in densities of Digitaria sanguinalis L., the DIMBOA content in wheat shoot increased greatly, which implied that the difference in weed density may be useful approach to artificially the improve crops resistance.
分类号: Q94
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