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- The abnormal segeregation ratios appeared in the inheritance of CMS lines. CMS遗传过程中出现异常分离比例。
- In rhis study, RN type CMS lines YA, YB and ZD type lines ZA, ZB and theircorresponding restore lines were used to conduct a series of crosses. 本研究以育成的 RN 型大豆细胞质雄性不育系 YA、YB,ZD 型大豆细胞质雄性不育系 ZA、ZB 和相应的恢复系为基本试材,组配一系列杂交组合。
- The yield of the crosses between three CMS lines and 1102C were higher 11.1% and 7.1% than cross 213A/1102C and 214A/1102C,inspectively. 用这三种不育系与1102C作杂交;其杂一代经济性状均优于213A/1102C和214A/1102C;产量分别比213A/1102C和214A/1102C增产11.;1%25和7
- The survival rate of hybrids was very significantly correlated with that of restorer lines, and significantly correlated with that of CMS lines. 杂交稻淹涝后生存率与恢复系呈极显著正相关,与不育系呈显著正相关。
- In BC1 progenies,CMS lines were produced. They were similar to ornamental kales in shape and color of leaves, and their anthers began to abort at the stage of two-nuclear pollen. 所得BC_1代为过渡性羽衣甘蓝胞质雄性不育系,其叶形叶色和父本羽衣甘蓝相似,花粉孢原细胞时期或单核期败育。
- The genotypes of the CMS lines are S(rf 1rf 1rf 2rf 2) and S(rf 1rf 1Rf 2rf 2), Whereas those of the fertile plants are S(Rf 1- Rf 2- ),S(Rf 1- rf 2rf 2), and S(rf 1rf 1Rf 2Rf 2). 不育株的基因型为S(rf1rf1rf2rf2)和S(rf1rf1Rf2rf2),可育株的基因型为S(Rf1-Rf2-)、S(Rf1-rf2rf2)和S(rf1rf1Rf2Rf2)。
- By studying thesegregations pattern of the fertilities of F_1, F_2 and the backcrossing progenies, the inheritanceof the RN type and ZD type CMS lines were identified. 通过对 F1、F2 和回交后代的育性分离情况,推测不育系保持基因和恢复基因的数量及显隐性关系,确定RN 型和 ZD 型大豆细胞质雄性不育系的遗传模式;
- Both N transportation efficiency and N contribution rate of CMS lines were higher in contrast to the homotypic lines under nitrogen deficiency (P<0.05). 低氮水平下,CMS玉米的氮素转移率、贡献率和氮素利用率均显著高于其同型可育系(P<0.;05);
- Total nitrogen accumulation amount of CMS lines was distinctly higher than their homotypic lines (P<0.05), with more nitrogen distributed to stalk and grain in CMS lines. CMS玉米氮素积累总量高于其同型可育系(P<0.;05),成熟期氮素在茎秆和籽粒中分配较多;
- With the material of 6 CMS lines, 7 restorer lines and 42 hybrid combinations, the GCA and VAR of SCA of yield traits, quality traits and bearing date were analyzed. 以6个不育系作母本和7个恢复系作父本交叉配组的42个组合为材料,系统观测了产量性状、品质性状和生育期,分析了亲本的一般配合力和特殊配合力方差。
- Xu 29A,developed from the cross and backcross of V20A//(Digu B/Jin 23B) F3 by the Hunan Hybrid Rice Research Center,is a new early-season indica CMS line in rice. 旭29A是湖南杂交水稻研究中心用地谷B作母本与金23B杂交,F3代选优良株系与V20A测交并经多代回交转育而成的早籼稻不育系,2000年3月通过湖南省农作物品种审定委员会审定。
- Jinke 1A, developed by crossing the selected F3 individuals of Gang 46B/Jin 23B to Jin 23A and followed by successive backcrossing, is an indica WA-type CMS line in rice. 摘要金科1A是以冈46B/金23B的F3代选系与金23A测交并连续回交转育而成的野败型籼型三系不育系。
- Huayou 107 is a new three-line hybrid rice combination derived from the CMS line Y Huanong A (Yegongtype cytoplasm) and a newly-developed strong restorer line R107. 摘要华优107是由夜公细胞质型不育系Y华农A与新育成的恢复系R107配组而成的三系杂交稻新组合。
- CMS line 803A was developed by the recent discovery of JW new nature source sterile through many continuous generation of backcross with the L301B/Di Gu B hybrid descendant. 摘要不育系803A是利用新发现的JW型新质源不育株做母本,L301B/地谷B的杂交后代做父本,经连续多代回交选择而成。
- Honglian(HL) type CMS lines(Indica) differed from wild abortive(WA) type CMS lines(Indica) not only in characteristic of abortive pollen but also in restoring and maintaining abilities. 籼稻红莲型(HL)不育系和野败(WA)型不育系除花粉败育的特征不同外,两者还具有不同的恢、保特性。
- PA content in the panicles of CMS line was lower than these in those of its maintainer line.Treatment with MGBG decreased Spd and Spm levels in both lines,and pollen fertility in maintainer line. 不育系幼穗多胺含量显著低于保持系幼穗, 外施MGBG使两系幼穗Spd和Spm含量下降, 并使保持系花粉育性降低。
- Compared with homotypic lines, CMS lines maintained higher individual nitrogen utilization efficiency than their homotypic lines, but the response to N fertilizer was relatively lower. CMS玉米单株氮效率较高,氮响应度相对较低。
- On comparison among hybrid rice combinations derived from the same cytoplasmic male sterile (CMS) line, general consistency of the maternal allele of major CMS lines was observed at the SSR loci. 比较相同母本的系列杂交稻组合,表明主导不育系系列组合具有较高的组内品种间母本一致性。
- Plant type and rice quality of northern Japonica rice and their interrelations are studied based on the experiment of incomplete diallelled cross between 10 CMS lines and 10 restore lines. 利用10个不育系与10个恢复系不完全双列杂交试验,对北方杂交粳稻株型、米质及相互关系进行研究,结果如下:1。
- The results revealed that there were influences of temperature on the sterility degree of CMS line 07A (pol cytoplasm) and Shan 2A at different development stages, and the thermo sensitive phase was the stage of emergence of racemes. 结果表明,不同发育时期温度对不育系07A(具pol细胞质)和陕2A的育性都有影响,而以盛蕾期的影响最大;