Position: Home > Articles > A Morphology, Cytology and Fertility of Trigeneric Hybrids between Hexaploid Haynatriticum and Agropyron glaucum
Journal of Shanxi Agricultural Sciences
1998
(4)
3-6
六倍体小簇麦─天蓝偃麦草三属杂种形态学、细胞学及育性研究
作 者：
裴自友;孙玉;孙善澄;白云凤
单 位：
山西省农业科学院作物遗传研究所
关键词：
小簇麦;天蓝偃麦草;三属杂种;形态特征;染色体行为
摘 要：
以六倍体小簇麦为母本，天蓝偃麦草为父本，经杂交获得小簇麦─天蓝偃麦草三属杂种F1。杂种自交不孕，形态上呈双亲中间型，并保持双亲所具有的优良抗性。杂种体细胞染色体数2n＝6x=42，减数分裂中期Ⅰ染色体平均配对构型为30．75Ⅰ＋5．24Ⅱ＋0．22Ⅲ＋0．03Ⅳ。讨论了克服F1不育的方法。
译 名：
A Morphology, Cytology and Fertility of Trigeneric Hybrids between Hexaploid Haynatriticum and Agropyron glaucum
作 者：
Pei Ziyou; Sun Yu ;Sun Shanchengl Bai Yunfeng(Crop Genetics Research Institute, Shanxi Academy of Agricultural Scicnses, Taiyuan)
关键词：
Haynatriticum; Agropyron glaucum; Trigeneric hybrid; Morphology; Chromosome behaviour
摘 要：
Trigeneric hybrid of Haynatriticum(bx)-Agropyron glaucum was obtained when Haynatiticum was used as female and A. glaucum as male parent. The hybrids was self-sterile and merphologically intermediate to their parents. The hybrid plants showed good disease resistance as their parents. The somatic chromosome number of the hybrid was 2n=6x=42 and with a mean meiotic cofiguration of 30. 75Ⅰ+5. 24Ⅱ+ 0. 22Ⅲ+ 0.03Ⅳ. The way to overcome the F1 sterility was discussed.
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