扁蓿豆抗旱形态解剖结构观察与分析  

Examination and analysis of drought-resisting morphology and anatomy of Melilotoides ruthenica

作　　者：石凤翎[1] 郭晓霞[2] 李红[1] 

机构地区：[1]内蒙古农业大学生态环境学院,内蒙古呼和浩特010019 [2]南京农业大学动物科技学院,江苏南京210095

出　　处：《干旱地区农业研究》2005年第2期115-118,F003,共5页Agricultural Research in the Arid Areas

基　　金：国家863项目"抗旱节水植物新品种筛选与利用"(2002AA2Z4011)

摘　　要：对6个不同来源(产地)扁蓿豆(Melilotoidesruthenica(L.)Sojak)的根、茎、叶形态结构进行了观察研究。结果表明:可初步将叶片小、叶色淡绿、气孔密度大、细胞小、叶片栅栏组织排列紧密、具表皮毛作为扁蓿豆属牧草抗旱的形态解剖指标。在本实验选取的7份材料中,来源于内蒙古乌兰察布盟的两份扁蓿豆材料较其他来源的扁蓿豆抗旱性强,可作为今后抗旱育种的种质资源。The morphological structures of Melilotoides ruthenica roots, stems and leaves collected from six different sources were studied. The results primarily indicated that its leaf size, leaf colour, stomatal density, cell size and palisade tissue compactness could be used as the indictors of its drought resistance. Of the seven materials used in the experiment, the two materials collected from the Wulanchabu League of Inner Mongolia were more drought resistant than the other materials and thus could be used as the breeding germplasm in future.

关 键 词：形态解剖 抗旱育种 叶色 抗旱性 叶片 牧草 栅栏组织 表皮毛 气孔密度 细胞 

分 类 号：S512[农业科学—作物学] S423