%0 Journal Article %T Apomicticsymptomsintheaspectofembryologyinasorghumline296B %A 吴树彪 %A 韩雪梅 %A 王景雪 %A 尚勇进 %A 张福耀 %A 孟存刚 %A 阎喜梅 %A 牛天堂 %J 华北农学报 %P 10-15 %D 1993 %R 10.7668/hbnxb.1993.S2.002 %X ThepresenceoffacultativeapomixisInline296Bwasprovedbytheembryologicalstudy.Thetwinembryosacswereobservedatflorescence.Theautonomousdevelopmentofem-bryowasconfirmedbymultiplecellproembryoexistingwithundevelopedpolarnucleiInoneembryosac.Cellstructureandsizeofapomicticproembryoweredifferentfromsexualproembryo.Thestructuralfeatureofproembryocanbeusedtodistinguishapomicticproembryowithdevel-opedendospermfromsexualembryo.Theapomicticdevelopmentinthislineisattributedtoaposporoustype.ThefrequencyofapomixisIsatleast16—21%.Theapomicticcharactersandthepotentialforfixingheterosisinline296Bwasdlscussedinthepresentpaper. %K Sorghumbicolor(L.)Moench %K apomixis %K aposporous %K 296B %U http://www.hbnxb.net/CN/abstract/abstract6433.shtml