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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。
- The Biological Characters of Giant Embryo Rice 巨胚稻的生物学特性研究
- 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。
- GRAIN FILLING CHARACTERISTICS OF GIANT EMBRYO RICE 巨胚稻籽粒灌浆特性研究
- 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。
- Identification, Heredity and Breeding of Indica Giant Embryo Rice 籼型巨胚稻的发现及其遗传育种研究
- 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。
- PROCESSING OF NUTRITIOUS MEAL FOR BABIES FROM GIANT EMBRYO RICE AND BLACK RICE 利用巨胚米和黑米研制婴儿营养米粉
- 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。
- The new project is still in embryo. 新的项目尚在考虑中。