旅大红骨玉米种质掌状扁形果穗的遗传研究
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摘要
以玉米自交系丹717×丹340组成的6世代群体为材料,利用P_1、P_2、F_1、F_2、BC_1和BC_26世代联合分析法,研究旅大红骨种质掌状扁形果穗性状的遗传规律。结果表明:该性状的次数频率分布在F_2分离世代呈近似"m"状的双峰分布,B_1群体基本表现为直线型分布,B_2群体表现为2个峰值的类似正态分布。通过AIC值进行适合性检验,该性状符合2对主基因+加-显-上位性B-1-1模型,2对主基因的加性效应占据主导地位且互作效应明显,加性效应值分别为2.42和1.86,主基因的遗传率介于46.2%~68.8%之间,在自交进代过程有逐渐下降的趋势,育种中应注重早代试材的筛选,或进行回交选育以提高育种值。
Six generations of maize inbred lines from Dan 717×Dan 340 were selected as the research materials to study the inheritance of maize sector-palmate ear character by the six(P_1、P_2、F_1、F_2、B_1 and B_2)generations of joint analysis method.The results were as follows:the sector-palmate ear character showed bimodal distribution similar to letter"m"in the F_2 population,was similar to a negative linear distribution in the B_1 population,and showed bimodal shaped skewed normal distribution in B_2 populations.It fitted the B-1-1model of two major genes plus additive-dominance-epitasis through the group AICvalue fit test.The additive effect value were each 2.42 and 1.86 of two major gene,additive effect was greater than the dominant effect,and additive interaction effected obviously,the major gene heritability was between 46.2%and 68.8%,but it had a tendency to gradually decline on selfing generation process,it should to be focused on early generation of material selection or put backcross breeding to improve the breeding value.
Six generations of maize inbred lines from Dan 717×Dan 340 were selected as the research materials to study the inheritance of maize sector-palmate ear character by the six(P_1、P_2、F_1、F_2、B_1 and B_2)generations of joint analysis method.The results were as follows:the sector-palmate ear character showed bimodal distribution similar to letter"m"in the F_2 population,was similar to a negative linear distribution in the B_1 population,and showed bimodal shaped skewed normal distribution in B_2 populations.It fitted the B-1-1model of two major genes plus additive-dominance-epitasis through the group AICvalue fit test.The additive effect value were each 2.42 and 1.86 of two major gene,additive effect was greater than the dominant effect,and additive interaction effected obviously,the major gene heritability was between 46.2%and 68.8%,but it had a tendency to gradually decline on selfing generation process,it should to be focused on early generation of material selection or put backcross breeding to improve the breeding value.
引文
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[27]王建科,方小雪,李雪红,等.黄瓜嫩果皮颜色的遗传研究[J].园艺学报,2013,40(3):479-486.
[28]马飞前,刘小刚,王红武,等.玉米茎秆纤维素含量遗传分析[J].玉米科学,2015,23(1):10-16.
[2]丰光,景希强,于兵,等.以旅大红骨种质为主导的“丹玉”杂优模式概述[J].天津农业科学,2013,19(5):48-50.
[3]石云素,黎裕,王天宇,等.玉米种质资源描述规范和数据标准[M].北京:中国农业出版社,2006.
[4]盖钧镒,章元明,王建康.植物数量性状遗传体系[M].北京:科学出版社,2003.
[5]荣廷昭,潘光堂,黄玉碧.数量遗传学[M].北京:中国科学技术出版社,2003.
[6]Zhang Y M,Gai J Y,Yang Y.The ElM algorithm in the joint segregation analysis of quantitative traits[J].Genetical Research,2003,81(2):157-163.
[7]丰光,刘志芳,李妍妍,等.玉米茎秆耐穿刺强度的倒伏遗传研究[J].作物学报,2009,35(11):2 133-2 138.
[8]庞文龙,刘富中,陈钰辉,等.茄子果色性状的遗传研究[J].园艺学报,2008,35(7):979-986.
[9]张红,王怀松,贺超兴,等.甜瓜糖酸性状的遗传研究[J].园艺学报,2009,36(7):989-996.
[10]丰光,李妍妍,景希强,等.玉米雄穗分枝性状的数量遗传分析[J].沈阳农业大学学报,2011,42(1):94-97.
[11]鞠方成.玉米雌穗一节多穗性状的遗传研究[J].玉米科学,2015,23(6):7-11.
[12]张中伟,景希强,丰光.玉米粒深性状的数量遗传分析[J].玉米科学,2014,22(3):8-12.
[13]丰光,景希强,李妍妍,等.玉米穗上叶与主茎夹角性状的数量遗传研究[J].玉米科学,2012,20(1):53-56,66.
[14]李妍妍,景希强,丰光,等.玉米茎秆拉力强度相关的倒伏遗传研究[J].玉米科学,2013,21(4):20-23.
[15]丰光,于兵,李妍妍,等.玉米穗轴颜色性状的遗传研究[J].华北农学报,2012,27(S):65-68.
[16]丰光.我国不同年代玉米单交种杂种优势比较及茎秆穿刺遗传研究[D].中国农业科学院,2009.
[17]Wang J K,Gai J Y.The inheritance of resistance of soybeans to Agromy-zid beanfly(Melanagromyza sojae Zehntner)-Mixed major gene and polygenes genetic analysis[J].Euphytica,2001,122:9-18.
[18]Xiao J,Wang X F,Hu Z Q,et al.Joint analysis method for major genes controlling multiple correlated quantitative traits[J].Agricultural Sciences in China,2006,5(3):179-187.
[19]周东升,赵延明,侯恒军,等.玉米植株不同部位含水量遗传主效应及其与环境互作效应的研究[J].玉米科学,2011,19(3):35-38.
[20]张郎郎,刘斌,李俊星,等.榨菜瘤状茎膨大性状遗传分析[J].核农学报,2014,28(1):22-28.
[21]李红霞,赵仁贵,戴冬青,等.甜玉米含糖量性状的遗传研究[J].吉林农业科学,2014,39(1):30-32,36.
[22]姜龙,南楠,慈佳宾,等.东北地区玉米骨干自交系的子粒长和百粒重的遗传研究[J].山东农业大学学报(自然科学版),2015,46(3):326-330.
[23]栾非时,王凤娇,高鹏,等.西瓜果实可溶性糖含量的遗传分析[J].东北农业大学学报,2014,45(9):25-33.
[24]杨双,韩晓日.玉米早衰相关性状的遗传分析[J].玉米科学,2015,23(3):1-7,14.
[25]郑洪建,孔令杰,许瑞瑞,等.玉米叶片保绿性数量遗传分析[J].玉米科学,2013,21(6):17-20.
[26]魏昕,李丽华,王娟,等.玉米丝裂病发生的数量遗传分析[J].中国农业科学,2008,41(8):2 235-2 240.
[27]王建科,方小雪,李雪红,等.黄瓜嫩果皮颜色的遗传研究[J].园艺学报,2013,40(3):479-486.
[28]马飞前,刘小刚,王红武,等.玉米茎秆纤维素含量遗传分析[J].玉米科学,2015,23(1):10-16.