基于植物学性状的吉林省杂草稻多样性研究  

Classification of Weedy Rice in Jilin Based on Botanical Characters

作　　者：马巍[1] 马殿荣[1] 李金英[1] 吴云艳[1] 陈温福[1] 徐正进[1] 

机构地区：[1]沈阳农业大学水稻研究所/农业部作物生理生态遗传育种重点开放实验室/辽宁省北方粳稻遗传育种重点实验室,沈阳110161

出　　处：《北方水稻》2010年第3期9-12,共4页North Rice

基　　金：国家自然科学基金项目(批准号:30671262);教育部高等学校博士学科点专项科研基金项目(项目批准号:20060157003);水稻生物学国家重点实验室开放课题

摘　　要：近年来随着直播技术和免耕方式的推广,杂草稻对水稻的危害越来越大,寻找有效的杂草稻防除措施己刻不容缓。本文对我国吉林省19份杂草稻植物学性状进行了调查,调查发现吉林省杂草稻抽穗天数和株高的变化范围均大于栽培稻,颖壳色多表现为秆黄色,赤褐色、黄色、黑褐色、紫黑色、灰黑色、黄褐色和银灰色;果皮色以红色果皮为主;大部分杂草稻有芒,芒色以秆黄和赤褐为主;易落粒;易倒伏。通过分层聚类将33份供试材料分为了5类。利用程氏指数法对19份杂草稻材料的籼粳属性进行分析,结果显示吉林杂草稻主要以粳型为主,少部分为偏粳型。With the extension of direct seeding and no-tillage, the damage of weedy rice to cultivated rice was more and more serious, therefore it is urgent to find effective measures to eontrol weedy rice. In this experiment, hotanical characters of 19 copes weedy rice in Jilin were investigated. The results showed that the variation of heading days and plant height of weedy rice was larger than those of cultivated rice. The colors of rice glume are culm yellow, russet, yellow, dark brown, atropurpureus, dark grey, yellow brown and silver grey and the color of pericarp is mainly red. Most of weedy rice has awn, and the colors of awn are mostly culm yellow and russet. The weedy rice was susceptible to shattering and lodging. Thirty-three entries could be classified in to five clusters, and based on Cheng＇s index classification method, they were divided into japonica type and japonicaclinous type.

关 键 词：植物学性状 吉林 杂草稻 分类研究 

分 类 号：S511.01[农业科学—作物学]