摘要
通过对有关国内外文献综述后，认为：（１）西藏半野生小麦可能不是中国四倍体小麦与中国节节麦的原初双二倍体，而可能是外地传入中国的原始六倍体小麦的后代，其原始性由于其本身的一些特性如闭花受精、抗穗发芽、种子休眠、碎穗、包壳、比当地品种早熟等，以及西藏的复杂地理气候条件和原始粗放耕作农业等因素作用下而得以保存；（２）西藏半野生小麦与云南铁壳麦可能有共同的祖先；（３）新疆稻麦可能来源于含有Ｃｈ１黄化基因的波兰小麦类型，而且可能是起源于波兰小麦与节节麦的天然杂交并双二倍体化途径。
After reviewing concerned reports, it is concluded that: ⑴The Tibetan weedrace may not be the amphidiploid between tetraploid wheat(AABB)and Ae. tauschii(DD)native to China, and may be the offspring of primitive hexaploid wheat which was introduced to China from the Middle East of Asia. ⑵The Tibetan weedrace and Yunnan hulled wheat may have the same ancestor. ⑶Xinjiang rice wheats(T. petropavlovskyi) might be originated from polish wheat with hybrid chlorosis gene Ch 1 through forming the amphidiploid between polish wheat and Ae. tauschii.
出处
《贵州农业科学》
CAS
1999年第1期20-25,共6页
Guizhou Agricultural Sciences
关键词
西藏半野生小麦
斯卑尔脱小麦
新疆稻麦
Tibetan weedrace
Yunnan hulled wheat
spelt wheat
Xinjiang rice wheat
origin and evolution
