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不同植物对小麦、黄瓜和萝卜幼苗化感作用潜力的初步评价
引用本文:沈慧敏,郭鸿儒,黄高宝.不同植物对小麦、黄瓜和萝卜幼苗化感作用潜力的初步评价[J].应用生态学报,2005,16(4):740-743.
作者姓名:沈慧敏  郭鸿儒  黄高宝
作者单位:甘肃农业大学草业学院农学院,兰州,730070
基金项目:国家自然科学基金资助项目 (3 0 170 5 47) .
摘    要:以小麦、黄瓜、萝卜为受体植物,用室内和田间生物测定方法,研究了甘肃省农区18种植物的化感作用.结果表明,黄花蒿、龙葵、曼陀罗植株茎叶的水抽提物对3种受体植物化感作用最强,其抑制综合效应(SE)分别为47.66%、32.89%和26.63%;其次是苍耳、马齿苋、刺儿菜、灰藜;其SE值分别为21.71%、20.93%、20.83%、20.2%.对受体植物化感作用较弱的是野豌豆(SE 3.5%)、狗尾草(SE 2.2%)、鹅绒藤(SE 1.97%);土荆芥(SE-1.03%)、丛枝蓼(SE-1.63%)、燕麦(SE 5.33%)对受体植物无明显化感作用.黄花蒿对受体萝卜、黄瓜、小麦、玉米的苗高、植株鲜重有显著影响,其SE值分别为54.07%、38.46%、33.35%、20.88%;黄花蒿对田间小麦植株生长抑制的综合效应为44.70%.可见黄花蒿具有一定的开发利用价值.

关 键 词:初步评价  萝卜  黄瓜  植物化感作用  潜力  幼苗  生物测定方法  开发利用价值  受体植物  综合效应  黄花蒿  水抽提物  生长抑制  小麦植株  甘肃省  曼陀罗  马齿苋  刺儿菜  野豌豆  狗尾草  株鲜重  田间  E值  苍耳  荆芥  燕麦  苗高  玉米
文章编号:1001-9332(2005)04-0740-04
收稿时间:2004-07-02
修稿时间:2004年7月2日

Allelopathy of different plants on wheat,cucumber and radish seedlings
SHEN Huimin,GUO Hongru,HUANG Gaobao.Allelopathy of different plants on wheat,cucumber and radish seedlings[J].Chinese Journal of Applied Ecology,2005,16(4):740-743.
Authors:SHEN Huimin  GUO Hongru  HUANG Gaobao
Institution:Gansu Agricultural University, Lanzhou, China. ndshm@gsau.edu.cn
Abstract:By means of bioassay in laboratory and field,this paper studied the allelopathy of 18 kinds of plants in Gansu Province on the seedlings of wheat,cucumber and radish.The results showed that the aqueous extract of the stems and leaves of Artemisia annua,Solanum nigrum and Datura stramonium had the strongest allelopathy on test receptor plants,and their synthetic inhibitory effect (SE) was 47.66%,32.89% and 26.63%,respectively.The SE of Xanthium sibiricum,Portulaca oleraca,Cephalanoplos segetum,and Chenopodium album was 21.71%,20.93%,20.83% and 20.2%,respectively,while Vicia amoena (SE 3.5%),Setaria viridis (SE 2.2%),and Cymamchum chinense (SE 1.97%) had a weaker allelopathy.Chenopodium ambrosioides (SE -1.03%),Polygonum caespitosum (SE -1.63%) and Avena fatua (SE 5.33%) had no evident allelopathy,but Artemisia annua affected the seedling height and fresh weight of radish,cucumber,wheat and maize,with the SE being 54.07%,38.46%,33.35% and 20.88%,respectively.Artemisia annua had a 44.70% of SE on wheat growth,and thus,had a certain value to develop and use.
Keywords:Allelopathy  Wheat  Cucumber  Radish
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