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ID:37220596
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页数:5页
时间:2019-05-19
《冠军芦笋雌雄花发育过程中内源激素和多胺含量的变化》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、园艺学报,2015,42(11):2278–2282.ActaHorticulturaeSinica2278doi:10.16420/j.issn.0513-353x.2015-0481;http://www.ahs.ac.cn‘冠军’芦笋雌雄花发育过程中内源激素和多胺含量的变化*刘孟,乜兰春,胡淑明,王珊珊(河北农业大学园艺学院,河北保定071001)摘要:以‘冠军’芦笋为试材,研究雌花、雄花发育过程中内源激素和多胺含量的变化,结果表明,在芦笋雌花发育过程中,GA3含量始终高于雄花,ABA、ZR和IAA含量从两性发育期到单性发
2、育期呈降低趋势;而雄花中的ABA、ZR和IAA含量则从两性发育期到单性发育期迅速上升。雌花GA3/ABA、GA3/IAA、GA3/ZR比值在两性发育期较雄花低,到单性发育期迅速升高,表明较高水平的GA3和低水平的ABA、IAA、ZR与雌性器官选择性发育有关,而较高水平的ABA、ZR和IAA与雄性器官选择性发育有关。雌花发育过程中多胺Spd、Put和Spm含量均呈先迅速升高后又下降的趋势,而雄花中3种多胺的含量相对稳定,高水平的Spm、Spd和Put与雌性器官发育有关。关键词:芦笋;性别分化;内源激素;多胺中图分类号:S644.6
3、文献标志码:A文章编号:0513-353X(2015)11-2278-05ContentChangesofEndogenousHormonesandPolyamineDuringDevelopmentofMaleandFemaleFlowersofAsparagus‘Champion’*LIUMeng,NIELan-chun,HUShu-ming,andWANGShan-shan(CollegeofHorticulture,AgriculturalUniversityofHebei,Baoding,Hebei071001,Chi
4、na)Abstract:ContentchangewasstudiedonendogenoushormonesandpolyamineduringdevelopmentofmaleandfemaleflowersofAsparagusofficinalisL.‘Champion’.TheresultsshowedthatGA3contentinfemaleflowerswasconstantlyhigherthanthatinmale.ABA,ZRandIAAcontentsdecreasedinfemaleflowersfro
5、mhermaphroditicstagetounisexualstage,whileABA,ZRandIAAcontentsinmaleflowersincreasedrapidlyfromhermaphroditicstagetounisexualstage.RatiosofGA3/ABA,GA3/IAAandGA3/ZRathermaphroditicstagewerelowerinfemaleflowersthanthatinmaleflowers,howevertheyincreasedrapidlyatunisexua
6、lstage.TheseresultsindicatedthathigherlevelofGA3andlowerlevelofABA,IAAandZRwererelatedtothedevelopmentoffemaleorganandhigherlevelofABA,ZRandIAAwererelatedtothedevelopmentofmaleorganinasparagus.Spd,PutandSpmcontentsincreasedrapidlyandthendecreasedduringdevelopmentoffe
7、maleflowers,buttheyremainedstableinmaleflowers.HigherlevelofSpm,SpdandPutmightberelatedtothedevelopmentoffemaleorgan.Keywords:Asparagusofficinalis;sexdifferentiation;endogenoushormones;polyamine收稿日期:2015–08–10;修回日期:2015–10–31基金项目:河北省自然科学基金项目(C2012204065)*通信作者Authorfo
8、rcorrespondence(E-mail:nlch66@126.com)刘孟,乜兰春,胡淑明,王珊珊.‘冠军’芦笋雌雄花发育过程中内源激素和多胺含量的变化.园艺学报,2015,42(11):2278–2282.2279芦笋(Asparagusofficina
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