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1、棉花學(xué)報(bào)CottonScience2016,28(3):242―249溫度及遺傳背景對(duì)棉花恢復(fù)系恢復(fù)能力的影響**崔艷利袁郭立平袁戚廷香袁王紅梅袁王海林袁唐會(huì)妮袁喬秀琴袁吳建勇袁邢朝柱(棉花生物學(xué)國家重點(diǎn)實(shí)驗(yàn)室/中國農(nóng)業(yè)科學(xué)院棉花研究所袁河南安陽袁455000)摘要院本文利用7個(gè)不同細(xì)胞核背景的哈克尼西棉胞質(zhì)不育系與來源于同一個(gè)哈克尼西棉恢復(fù)基因淵1冤培育出的3個(gè)不同細(xì)胞核背景的恢復(fù)系袁采用NCⅡ交配設(shè)計(jì)袁配置了21個(gè)F1遙21個(gè)F1和3個(gè)恢復(fù)系種植于2個(gè)生態(tài)區(qū)袁通過性狀調(diào)查袁采用ADE模型和直觀作圖的分析方法袁探索遺傳背景和溫度對(duì)
2、恢復(fù)系恢復(fù)能力的影響遙結(jié)果表明袁在黃河流域安陽點(diǎn)袁恢復(fù)系H46花粉量略高于H80袁在長江流域無為點(diǎn)則相反曰H46和H80在安陽和無為點(diǎn)的花粉量均高于恢復(fù)系ZBR曰3個(gè)恢復(fù)系在盛花期多粉花率和少粉花率的表現(xiàn)趨勢與其所配置的雜交組合F1的花粉多粉率及其平均產(chǎn)量競爭優(yōu)勢大小一致曰F1籽棉和皮棉產(chǎn)量受加性效應(yīng)堯顯性效應(yīng)堯加性與環(huán)境互作效應(yīng)的影響袁F(xiàn)1花粉量不僅受加性效應(yīng)的顯著影響袁還受到顯性與環(huán)境互作效應(yīng)的極顯著影響曰F1籽棉產(chǎn)量與其花粉量的顯性與環(huán)境互作效應(yīng)的相關(guān)系數(shù)接近1袁并達(dá)顯著水平袁表明環(huán)境影響花粉發(fā)育并對(duì)產(chǎn)量形成起關(guān)鍵作用遙本文從
3、不同角度研究了溫度及遺傳背景與恢復(fù)系恢復(fù)能力的關(guān)系袁研究結(jié)果將對(duì)棉花三系恢復(fù)系的選育和利用具有一定的指導(dǎo)意義遙關(guān)鍵詞院遺傳背景曰花粉量曰恢復(fù)能力曰遺傳效應(yīng)中圖分類號(hào)院S562.032文獻(xiàn)標(biāo)志碼院A文章編號(hào)院1002-7807淵2016冤03-0242-0810.11963/issn.1002-7807.201603007CuiYanli,GuoLiping,QiTingxiang,WangHongmei,WangHailin,TangHuini,QiaoXiuqin,WuJiany-**ong,XingChaozhu淵455000,
4、冤Threerestorerlinesoriginatingfromthesamegene(1)ofGossypiumharknessiiwithdifferentnuclearbackgrounds,and21crossesmadebyNCⅡmatingwithsevencytoplasmicmalesterilelinesof,andtheirthreerestorerswereplantedintwoecologicalzones.ADEmodelingandpictorialdiagramswereusedtoanalyze
5、genetictraitsandtoexploreeffectsofthegeneticbackgroundandtemperatureontherestoringabilityofrestorers.InAnyangcountyofHenanprovinceattheYel-lowRivervalley,thepollenquantityofrestorerH46wasalittlemorethanobservedforH80;andwastheoppositeofthatob-servedinWuweicountyofAnhui
6、provinceattheYangtzeRivervalley.ThepollenquantitiesofH46andH80weregreaterthanZBR(restorer)inAnyangandWuwei.Thedistributiontrendsofflowerpercentagesofhigherquantitypollensandlowerquanti-typollensofthethreerestorersatthefull-bloomstagewereconsistentwiththepollenfertility
7、rateandthecompetitiveadvantageoftheaverageyieldintheF1.TheseedandlintcottonyieldoftheF1wasinfluencedbyadditiveeffect,dominanteffect,andad-ditive-by-environmentinteraction.PollenquantityoftheF1wasnotonlyrelatedtotheadditiveeffect,butalsostronglyrelatedtothedominance-by-
8、environmentinteraction.Averystrongcorrelationcoefficient,closeto1,wasdetectedbetweentheseedcot-tonyieldofF1andthedomi
