Morphological and Developmental Characters of Autotetraploid from Wild Diploid Dactylis Glomerata in Yunnan Province(A Brief Recearch Report)

doi:10.11733/j.issn.1007-0435.2006.01.020

›› 2006, Vol. 14 ›› Issue (1): 92-94.DOI: 10.11733/j.issn.1007-0435.2006.01.020

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Morphological and Developmental Characters of Autotetraploid from Wild Diploid Dactylis Glomerata in Yunnan Province(A Brief Recearch Report)

ZHONG Sheng, DUAN Xin-hui

Yunnan Beef Cattle and Pasture Research Center, Kunming, Yunnan Province 650212, China

Received:2005-05-22 Revised:2005-11-18 Online:2006-02-15 Published:2006-02-15

云南野生二倍体鸭茅同源四倍体形态及发育特性(简报)

钟声, 段新慧

云南省肉牛和牧草研究中心, 昆明, 650212

作者简介:钟声(1969- ),男,重庆市梁平县人,副研究员,主要从事牧草种质资源的研究,E-mail:zhongshen01@126.com
基金资助:
云南省自然科学基金项目(2002C0030Q);科技部基础性工作专项资助项目

Abstract

Key words: Dactylis glomerata L., Autotetraploid, Diploid, Morphological character, Growth and development

摘要： 鸭茅(Dactylis glomerata L.)又名鸡脚草、果园草,是温带著名草种,在世界牧草栽培中占有重要地位^[1]。鸭茅是云南省目前栽培面积最大的禾本科牧草之一。但现有当家品种多为澳大利亚和新西兰所育成,在云南各地结实性普遍极差,不能生产种子^[2]。云南省野生二倍体鸭茅资源丰富,分布广泛^[3],具有良好的结实性。另一方面,有关我国鸭茅四倍体栽培种遗传学特性研究结果表明,不同品种间同源性高,遗传差异较小^[4],间接地反映我国鸭茅栽培种的基因相对匮乏。因此,加强云南野生二倍体鸭茅资源的研究,为解决在云南的结实问题,为丰富我国鸭茅基因资源均具有重要意义。

关键词: 鸭茅, 同源四倍体, 二倍体, 形态特征, 生长发育

ZHONG Sheng, DUAN Xin-hui. Morphological and Developmental Characters of Autotetraploid from Wild Diploid Dactylis Glomerata in Yunnan Province(A Brief Recearch Report)[J]. , 2006, 14(1): 92-94.

钟声, 段新慧. 云南野生二倍体鸭茅同源四倍体形态及发育特性(简报)[J]. , 2006, 14(1): 92-94.

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Morphological and Developmental Characters of Autotetraploid from Wild Diploid Dactylis Glomerata in Yunnan Province(A Brief Recearch Report)

云南野生二倍体鸭茅同源四倍体形态及发育特性(简报)

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