异源细胞质对普通小麦生育特性影响的初步研究

异源细胞质对普通小麦生育特性影响的初步研究 PRELIMINARY STUDY ON THE EFFECTS OF ALIEN CYTOPLASMS ON THE GROWTH AND DEVELOPMENT CHARACTERISTICS OF WHEAT 徐乃瑜 Xu Naiyu Yi Zili Cheng linehun He Ruifeng 1 first-author 易自力 1 程林春 1 何瑞锋 1 武汉大学生物学系 武汉大学生物学系 Department of Biology,Wuhan University Department of Biology,Wuhan University 本文研究了不同异源细胞质对普通小麦苗期叶色、长势、生长习性、生育期、生长锥分化进度,以及对春化、光照处理的反应和加速发育的效果。结果表明在同核异质情况下,不同细胞质对上述生育特性具有不同的遗传效应,因而在多方面产生差异。其中的一些效应（如苗期对低温抗性、叶绿素含量和长势的增强以及生长锥分化在某些时期的延长等）对小麦育种和高产载培以及夏播改制研究中具有一定应用价值。 There is interspecific variation of the cytoplasm in Triticum and Aegilops.Cytoplasms with diversi- ties exert different genetic effects on the expression of wheat characters.We investigated the genetic effects of differrent allo-cytoplasm on colour of the leaf of seedling,growth vigor,growth habits and characteristics,the stage of growth and development,the rate of differentiation of young ear,the sponse to vernalization and illumination treatment.The results showed that in case of the same nucleus donor different cytoplasm exert different genetic effects,thus brought about many differences in growth characteristics.Among which some effects may be useful in plant genetics and plant breeding. 异源细胞质 遗传效应 核质互作 生育特性 细胞质类型 Allocytoplasm genetic effect interaction of cytoplasm and nucleus characteristics of growth and development the type of cytoplasm Q343.3;S512.1 国家科学基金;国家“七五科技攻关”项目 1992-04-01 2021-04-01 4