桂诱系列热带玉米单倍体诱导系选育
当前,应用单倍体诱导系生产玉米单倍体进行自交系选育是一种快速玉米育种方法。单倍体诱导系选育是应用活体单倍体诱导技术的前提,而在热带地区却缺乏高效生产单倍体的诱导系。为了选育高效生产热带玉米种质单倍体的诱导系,利用热带玉米种质持续改良高频孤雌生殖诱导系农大高诱1号,系谱法选育出桂诱系列热带玉米单倍体诱导系6个,并将其应用于9个不同的热带玉米种质评价其生产单倍体的效果。桂诱系列诱导系生产单倍体的平均频率为2.24%-4.64%,比高诱1号（1.48%）有大幅提高,其中GI1的平均诱导率（4.6%）为高诱1号的3.14倍。迪卡008×GI1和墨白1号×GI3的单倍体诱导频率分别为7.35%和7.22...
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| Published in | 广东农业科学 Vol. 42; no. 10; pp. 11 - 15 |
|---|---|
| Main Author | |
| Format | Journal Article |
| Language | Chinese |
| Published |
广西农业科学院玉米研究所,广西南宁,530227
2015
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| Subjects | |
| Online Access | Get full text |
| ISSN | 1004-874X |
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| Abstract | 当前,应用单倍体诱导系生产玉米单倍体进行自交系选育是一种快速玉米育种方法。单倍体诱导系选育是应用活体单倍体诱导技术的前提,而在热带地区却缺乏高效生产单倍体的诱导系。为了选育高效生产热带玉米种质单倍体的诱导系,利用热带玉米种质持续改良高频孤雌生殖诱导系农大高诱1号,系谱法选育出桂诱系列热带玉米单倍体诱导系6个,并将其应用于9个不同的热带玉米种质评价其生产单倍体的效果。桂诱系列诱导系生产单倍体的平均频率为2.24%-4.64%,比高诱1号（1.48%）有大幅提高,其中GI1的平均诱导率（4.6%）为高诱1号的3.14倍。迪卡008×GI1和墨白1号×GI3的单倍体诱导频率分别为7.35%和7.22%。同时,3个桂诱系列诱导系通过籽粒颜色标记鉴定单倍体的准确率也获得提高,最高的GI4平均鉴定准确率超过50%。 |
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| AbstractList | S513%S503.52; 当前,应用单倍体诱导系生产玉米单倍体进行自交系选育是一种快速玉米育种方法.单倍体诱导系选育是应用活体单倍体诱导技术的前提,而在热带地区却缺乏高效生产单倍体的诱导系.为了选育高效生产热带玉米种质单倍体的诱导系,利用热带玉米种质持续改良高频孤雌生殖诱导系农大高诱1号,系谱法选育出桂诱系列热带玉米单倍体诱导系6个,并将其应用于9个不同的热带玉米种质评价其生产单倍体的效果.桂诱系列诱导系生产单倍体的平均频率为2.24％～4.64％,比高诱1号(1.48％)有大幅提高,其中GI1的平均诱导率(4.6％)为高诱1号的3.14倍.迪卡008xGI1和墨白1号×GI3的单倍体诱导频率分别为7.35％和7.22％.同时,3个桂诱系列诱导系通过籽粒颜色标记鉴定单倍体的准确率也获得提高,最高的GI4平均鉴定准确率超过50％. 当前,应用单倍体诱导系生产玉米单倍体进行自交系选育是一种快速玉米育种方法。单倍体诱导系选育是应用活体单倍体诱导技术的前提,而在热带地区却缺乏高效生产单倍体的诱导系。为了选育高效生产热带玉米种质单倍体的诱导系,利用热带玉米种质持续改良高频孤雌生殖诱导系农大高诱1号,系谱法选育出桂诱系列热带玉米单倍体诱导系6个,并将其应用于9个不同的热带玉米种质评价其生产单倍体的效果。桂诱系列诱导系生产单倍体的平均频率为2.24%-4.64%,比高诱1号（1.48%）有大幅提高,其中GI1的平均诱导率（4.6%）为高诱1号的3.14倍。迪卡008×GI1和墨白1号×GI3的单倍体诱导频率分别为7.35%和7.22%。同时,3个桂诱系列诱导系通过籽粒颜色标记鉴定单倍体的准确率也获得提高,最高的GI4平均鉴定准确率超过50%。 |
| Author | 江禹奉 覃兰秋 程伟东 谭贤杰 周锦国 曾艳华 谢和霞 谢小东 |
| AuthorAffiliation | 广西农业科学院玉米研究所,广西南宁530227 |
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| DocumentTitleAlternate | Breeding of Gui inducer series for in vivo haploid production in tropical maize |
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| Keywords | 热带地区 单倍体诱导系 玉米 单倍体诱导率 |
| Language | Chinese |
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| Notes | 44-1267/S maize（Zea mays.L.）; haploid inducer; haploid induction rate; tropical areas JIANG Yu-feng, QIN Lan-qiu, CHENG Wei-dong, TAN Xian-jie, ZHOU Jin-guo, ZENG Yan-hua, XIE He-xia, XIE Xiao-dong （Maize Research Institute, Guangxi Academy of Agricultural Sciences, Nanning 530227, China） At present,the application of producing maize haploid for maize lines breeding by in vivo haploid induction through haploid inducer is a fast method.The breeding of maize haploid inducer is a prerequisite for the application of in vivo haploid production technology.However,there was no efficient haploid inducer applied in tropical region.In order to breed maize haploid inducer for efficient haploid production in tropical maize germplasms,six tropical maize haploid inducers were bred by keep improving a high frequency haploid inducer namely CAU inducer through tropical maize germplasms.These lines were applied to nine tropical maize germplasms to evaluate the performance of in vivo haploid production efficiency.The haploid induc |
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| PublicationTitle | 广东农业科学 |
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| Publisher | 广西农业科学院玉米研究所,广西南宁,530227 |
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| Snippet | 当前,应用单倍体诱导系生产玉米单倍体进行自交系选育是一种快速玉米育种方法。单倍体诱导系选育是应用活体单倍体诱导技术的前提,而在热带地区却缺乏高效生产单倍体的诱导... S513%S503.52; 当前,应用单倍体诱导系生产玉米单倍体进行自交系选育是一种快速玉米育种方法.单倍体诱导系选育是应用活体单倍体诱导技术的前提,而在热带地区却缺乏高效生产... |
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| SubjectTerms | 单倍体诱导率 单倍体诱导系 热带地区 玉米 |
| Title | 桂诱系列热带玉米单倍体诱导系选育 |
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