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Position: Home > Articles > Inhibitory effects of allelopathic rice materials on Echinochloa crus-galli and related field weeds Chinese Journal of Applied Ecology 2005,16 (4) 726-731

化感作用水稻对无芒稗及相关田间杂草的抑制作用评价

作  者：
徐正浩;何勇;诸常青;俞谷松
单  位：
浙江省绍兴市越城区农林水利局;浙江省绍兴市常青园林工程有限公司;浙江大学生物系统工程与食品科学学院
关键词：
水稻种质资源;差时播种共培法;化感作用;田间评价;农艺性状
摘  要：
对从5 0 0份水稻种质资源中用差时播种共培法的改进方法初步筛选出10份水稻化感抑稗材料进行了田间化感抑草评价研究.结果表明,在直播条件下,化感材料谷梅2号、吓一跳、鸡早籼、赣早籼和商糯1号等对无芒稗的抑制作用显著优于水稻无化感作用材料秀水6 3和春江11.化感材料Milyang 5 4对田间总量杂草的抑制作用最强.在移栽条件下,化感材料谷梅2号、青困2号、吓一跳和鸡早籼对无芒稗的抑制作用与无化感作用材料秀水6 3和春江11差异及显著性水平.水稻材料间部分农艺性状差异及显著性水平,化感材料吓一跳和鸡早籼的株高较高,分蘖力较强,但顶三叶叶面积较小.
译  名：
Inhibitory effects of allelopathic rice materials on Echinochloa crus-galli and related field weeds
作  者：
XU Zhenghao~ 1,2,HE Yong~1,ZHU Changqing,YU Gusong( ~1College of Biosystem Engineering and Food Science,Zhejiang University,Hangzhou 310029,China; ~2China Rice Research Institute,Hangzhong 310006,China).
关键词：
Rice germplasm, Relay seeding technique, Allelopathy, Field evaluation, Agronomic characteristics
摘  要：
By using the modified relay seeding technique,more than 10 allelopathic rice materials were obtained from 500 rice germplasm,and their allelopathic inhibitory effects on weeds were evaluated under field condition.The results showed that under direct-seeded condition,the allelopathic rice materials Gumei 2,Xiayitiao,Jizaoxian,Ganzaoxian and Shangnuo 1 had more obvious inhibitory effects on Echinochloa crus-galli than non-allelopathic rice materials Xiushui 63 and Chunjiang 11,while the allelopathic rice material Milyang 54 had the best inhibitory effect on field weeds.Under field-transplanting condition,the allelopathic rice materials Gumei 2,Qingkun 1,Xiayitiao and Jizaoxian had significant inhibitory effects on Echinochloa crus-galli over non-allelopathic materials Xiushui 63 and Chunjiang 11.There existed significant differences in some agronomic characters among rice materials.Allelopathic rice materials Xiayitiao and Jizaoxian had higher plant height and stronger tillering activity,but had smaller leaf areas of the 3 upper leaves.

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