不同遮荫强度对西南地区野生马蹄金形态特征的影响  

Shade Intensity on Morphological Charateristics of Wild Dichondra repens of Southwest China

作　　者：任婷[1] 干友民[1] 付薇[1] 张晓慧[1] 

机构地区：[1]四川农业大学动物科学院,四川雅安625014

出　　处：《北方园艺》2009年第12期162-165,共4页Northern Horticulture

基　　金：四川省科技厅应用基础研究专项基金资助项目(01SY051-27)

摘　　要：以5份西南地区野生马蹄金为材料,1份美国引进品种普通马蹄金为对照,在4个光照梯度下(遮荫0%、遮荫30%、遮荫50%、遮荫70%)进行耐荫性研究,测定其叶长、叶宽度、叶厚、叶柄直径、叶柄长度、叶层自然高度等形态指标。结果表明:SD200310、CK、SD200411的耐荫性较差,SD200309和YD200503的耐荫性中等,GD200503的耐荫性最强。5 wild Dichondra repens accessions from southwest area were analysed with a US breed as a comparison. Analysis of leaf＇s length,width, thickness, leaf stalk diameter,petiole length,nature height were conducted with 4 illumina tion levels（0 % shade, 30 % shade, 50 %shade, 70 % shade）. Results showed that a significant difference existed among 5 accessions on shade tolerance. Accessions SD200310, CK, SD200411 were with lower shade tolerance, accessions SD200309 and YD200503 were with better shade tolerance, accessions GD200503 was with the best shade tolerance.

关 键 词：野生马蹄金 耐荫性 形态指标 

分 类 号：S682.264[农业科学—观赏园艺]