江苏省江都市黑褐色谷壳杂草稻种子库调查  

Survey of Weedy Rice with Dark Brown Chaff in the Soil Seeds Bank in Jiangdu,Jiangsu Province

作　　者：谢小东[1,2] 周勇军[2] 陆永良[2] 张慧[2] 陈丽娟[1] 余柳青[2] 

机构地区：[1]云南农业大学农学与生物技术学院,云南昆明650201 [2]中国水稻研究所/水稻生物学国家重点实验室,浙江杭州310006

出　　处：《杂草科学》2012年第2期34-36,共3页Weed Science

基　　金：国家自然科学基金(编号:30860057);现代水稻产业技术体系(编号:CARS-01)

摘　　要：江苏省江都市稻田黑褐色谷壳杂草稻种子主要集中在表层土壤,即0～2 cm的土层内,占黑褐色谷壳杂草稻种子数量的92.65%。在土壤种子库中,黑褐色谷壳杂草稻数量在严重危害田块是黄色谷壳稻的17.9倍,中等危害田块为1.58倍,轻度危害田块仅0.17倍。The seeds of weedy rice with dark brown chaff mainly existed in the topsoil of rice field that is within the 0 -2 cm topsoil in Jiangdu, Jiangsu Province, which contained about 92.65% of the total weedy rice seeds with dark brown chaff. In the soil seed bank,the weedy rice seeds with dark brown chaff and with yellow chaff is in the ratio of 17.9 to 1.0 in the serious harmful plots, 1.58 to 1.0 in the medium harmful plot, and 0.17 to 1.0 in the minimum harmful plot.

关 键 词：杂草稻 种子量 种子库 谷壳 

分 类 号：S451[农业科学—植物保护]