化感作用水稻对无芒稗及相关田间杂草的抑制作用评价

应用生态学报 ›› 2005, Vol. 16 ›› Issue (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

徐正浩^1,2, 何勇¹, 诸常青⁴, 俞谷松³

1. 浙江大学生物系统工程与食品科学学院, 杭州 310029;
2. 中国水稻研究所, 杭州 310006;
3. 浙江省绍兴市越城区农林水利局, 绍兴 312000;
4.浙江省绍兴市常青园林工程有限公司, 绍兴 312000

收稿日期:2004-07-02 修回日期:2004-11-24 出版日期:2005-04-15 发布日期:2005-04-15
通讯作者: 徐正浩,男,1964年9月生,博士后.主要从事杂草生态控制和植物化感作用研究.发表论文20余篇.Tel:0571-86971227;E-mail:xzh640909@aohu.com
基金资助:
国家自然科学基金项目(30070068,30471028)、福建省重大科技项目(2002F012)、福建省教育厅重点项目(K04038)和福建省自然科学基金资助项目(B0310011).

Inhibitory effects of allelopathic rice materials on Echinochloa crus-galli and related field weeds

XU Zhenghao^1,2, HE Yong¹, ZHU Changqing⁴, YU Gusong ³

1. College of Biosystem Engineering and Food Science, Zhejiang University, Hangzhou 310029, China;
2. China Rice Research Institute, Hangzhong 310006, China

Received:2004-07-02 Revised:2004-11-24 Online:2005-04-15 Published:2005-04-15

摘要/Abstract

摘要： 对从500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63和春江11.化感材料Milyang54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63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.

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

Abstract: 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.

Key words: Rice germplasm, Relay seeding technique, Allelopathy, Field evaluation, Agronomic characteristics

中图分类号:

Q948.12⁺2.1

徐正浩, 何勇, 诸常青, 俞谷松. 化感作用水稻对无芒稗及相关田间杂草的抑制作用评价[J]. 应用生态学报, 2005, 16(4): 726-731.

XU Zhenghao, HE Yong, ZHU Changqing, YU Gusong . Inhibitory effects of allelopathic rice materials on Echinochloa crus-galli and related field weeds[J]. Chinese Journal of Applied Ecology, 2005, 16(4): 726-731.

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