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1、江西農(nóng)業(yè)學(xué)報(bào)2015,27(4):4~7ActaAgricuhuraeJiangxi冀中南棉花新品種產(chǎn)量性狀與品質(zhì)性狀的綜合評價(jià)分析戴茂華1,2,劉麗英,唐長波。,呂德智,吳振良(1.河北省農(nóng)林科學(xué)院旱作農(nóng)業(yè)研究所/河北省農(nóng)作物抗旱研究重點(diǎn)實(shí)驗(yàn)室,河北衡水053000;2.中國農(nóng)業(yè)大學(xué)農(nóng)學(xué)與生物技術(shù)學(xué)院,北京100193;3.蘇州職業(yè)大學(xué),江蘇蘇州215104)摘要:通過對冀中南種植棉花新品種進(jìn)行產(chǎn)量品質(zhì)性狀的綜合評價(jià)分析,結(jié)果表明在不同的生態(tài)環(huán)境條件下,供試棉花品種產(chǎn)量性狀以單鈴重的變異系數(shù)最大,纖維品質(zhì)性狀以馬克隆值的變異系數(shù)最大。通徑分析的結(jié)果表明,按照直接通
2、徑系數(shù)由高到低排序,產(chǎn)量構(gòu)成因子中的衣分>單株鈴數(shù)>單鈴重>籽指,纖維品質(zhì)性狀中的整齊度指數(shù)>斷裂比強(qiáng)度>馬克隆值>伸長率>上半部平均長度。前3個(gè)主成分的累計(jì)方差貢獻(xiàn)率達(dá)87.263%,基本反映供試棉花品種lO個(gè)主要性狀的絕大部分信息。關(guān)鍵詞:陸地棉;產(chǎn)量性狀;品質(zhì)性狀;綜合評價(jià)中圖分類號:$562文獻(xiàn)標(biāo)志碼:A文章編號:1001-8581(2015)04—0004-04ComprehensiveEvaluationofYieldCharactersandQualityCharactersofNewCottonVarietiesinMid-southAreaofHe
3、beiDA1Mao—hua,LIULi-ying,TANGChang-bo,LVDe-zhi,WUZhen-liang(1.DrylandFarmingResearchInstitute,HebeiAcademyofAgrieuhuralandForestrySciences;HebeiProvincialKeyLabora—toryofCropsDroughtResistanceResearch,Hengshui053000,China;2.CollegeofAgronomyandBiotechnology,ChinaAgricuhur-alUniversity,
4、Beijing100193,China;3.SuzhouVocationalCollege,Suzhou215104,China)Abstract:Theyieldcharactersandqualitycharactersofseveralnewcottonvarietiesintl1emid—southareaofHebeiprovincewerecomprehensivelyevaluatedinthispaper.Indifferentecologicalenvironments,thesingle—bollweightoftestedcottonvarie
5、tieshadthebiggestvariationcoefficientamongyieldcharacters,andmicronairevaluehadthebiggestvariationcoefficientamongfiberqualitycharacters.Pathanalysisindicatedthatthedirectpathcoeficientsofvariouscharactershadthefloweringorder:lintpercent—age>numberofbollsperplant>single—bollweight>seed
6、indexamongyieldcomponents,anduniformityindex>fiberspecificstrength>micronairevalue>elongationrate>50%staplelengthamongfiberqualitycharacters.Principalcomponentanalysisindica—tedthatthetopthreeprincipalcomponentscontributed87.263%ofaccumulatedvariance,basicallyreflectingthevastmajorityo
7、fin-formationof10maincharactersintestedcottonvailcries.Keywords:Uplandcotton;Yieldcharacter;Qualitycharacter;Comprehensiveevaluation冀中南棉區(qū)是河北省棉花的主要集中產(chǎn)區(qū),也是種產(chǎn)量和品質(zhì)性狀多元分析很少。本研究擬通過對冀全國重要的商品棉生產(chǎn)基地,棉花是當(dāng)?shù)剞r(nóng)民的主要中南最新棉花品種進(jìn)行產(chǎn)量品質(zhì)性狀的綜合評價(jià)分收入來源。因此,對冀中南棉花新品種進(jìn)行產(chǎn)量和析,明確最新育成品種現(xiàn)狀和增產(chǎn)因素,為新育種目標(biāo)品質(zhì)性狀的多元分析具有重要的現(xiàn)實(shí)意