恶性杂草鸭跖草(Commelina commumis L.)叶片表皮特征及解剖结构的研究  

Study on foliar surface features and dissection constructure of dayflower(Commelina commumis L.)

作　　者：马红[1,2,3] 韩玉军[3] 王谦玉[4] 胡凡[4] 陶波[3] 

机构地区：[1]黑龙江省农业科学院博士后工作站,哈尔滨150086 [2]东北林业大学博士后流动站,哈尔滨150086 [3]东北农业大学农学院,哈尔滨150030 [4]黑龙江省农业科学院佳木斯分院,黑龙江佳木斯154007

出　　处：《东北农业大学学报》2011年第10期95-98,共4页Journal of Northeast Agricultural University

基　　金：黑龙江省教育厅科学技术研究(面上)项目(11551060);黑龙江省农科院博士后基金(LRB07-393);哈尔滨市科技创新人才研究专项资金项目(青年科技创新人员)(RC2011QN002073);东北农业大学博士启动基金(2009RC50)

摘　　要：鸭跖草(Commelina commumis L.)是黑龙江省大豆田危害最严重的恶性杂草之一,并且对一些除草剂的耐药性较强。利用石蜡切片和光学显微镜技术对黑龙江省大豆田恶性杂草鸭跖草叶片表皮形态特征及解剖结构进行研究,以期探讨其耐药性强的细胞显微结构基础。结果表明,鸭跖草叶片表皮细胞排列紧密,无胞间隙,细胞均略呈方形或长方形。鸭跖草叶片上下表皮都有气孔,而且叶片上表皮气孔密度显著地小于下表皮气孔密度。鸭跖草叶片解剖结构结果显示叶片由上表皮、栅栏组织、海绵组织及下表皮四部分组成。叶片上下表皮均由一层薄壁细胞组成,栅栏组织是由一层长柱形薄壁细胞组成,海绵组织是由多层薄壁细胞组成的。Dayflower （Commelina commumis L.） was one of the worst weeds in soybean field in Heilongjiang Province and existed tolerance to some herbicides. Paraffin section technique and light microscopy were used to investigate the foliar surface features and dissection constructure three leaf dayflower in order to indicate cell constructure difference leading to tolerant diversity to herbicide. The results showed that epidermis cells were rectangle or square and arranged closed without intercellular. There were stomatals in upper and lower epidermis. It existed thinner stomatals in upper epidermis than lower epidermis. Dissection constructure was consisted of upper epidermis, palisade tissue, spongy tissue and lower epidermis. Leaf upper and lower epidermis composed by a layer of parenchyma cells. Palisade tissue was made up a layer of rectanglar parenchyma cells, spongy tissue was constituted multilayer parenchyma.

关 键 词：鸭跖草 叶片表皮特征 叶片解剖结构 石蜡切片 

分 类 号：S482.4[农业科学—农药学] S151.9[农业科学—植物保护]