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1、安徽農(nóng)業(yè)科學(xué),JournalofAnhuiA.Sci.2014,42(7):1946—1948,1950責(zé)任編輯姜麗責(zé)任校對(duì)況玲玲播期對(duì)云南夏播大豆產(chǎn)量及品質(zhì)的影響趙銀月,周林紅,耿智德,詹和明,王鐵軍氣(1.云南省農(nóng)業(yè)科學(xué)院糧食作物研究所,云南昆明650205;2.曲靖麒麟?yún)^(qū)農(nóng)業(yè)技術(shù)推廣中心,云南曲靖655000)摘要[目的]明確云南夏播大豆[Glycinem(L.)Merr.]產(chǎn)區(qū)的最適宜播期,并從中篩選出適宜不同時(shí)期救災(zāi)補(bǔ)種的品種及相應(yīng)的配套栽培技術(shù)。[方法]采用引進(jìn)和本地的6個(gè)大豆品種(冀豆17來(lái)自河北
2、省農(nóng)林科學(xué)院,徐豆18和徐豆14來(lái)自江蘇徐淮地區(qū)徐州農(nóng)業(yè)科學(xué)研究所,中黃13來(lái)自中國(guó)農(nóng)業(yè)科學(xué)院作物科學(xué)研究所,滇豆4號(hào)和滇豆7號(hào)來(lái)自云南省農(nóng)業(yè)科學(xué)院糧食作物研究所)進(jìn)行分期播種試驗(yàn)(播期分別為5月21、5月31、6月l0、6月20日),研究在云南夏播氣候條件下,播期對(duì)參試品種生育期、農(nóng)藝性狀、產(chǎn)量性狀和品質(zhì)性狀的影響。[結(jié)果]云南夏播大豆產(chǎn)區(qū)最佳播期是5月21日左右。隨著播期的推后,參試品種的生育期逐漸縮短;株高、主莖節(jié)數(shù)和節(jié)間長(zhǎng)逐漸降低;產(chǎn)量構(gòu)成因子單株莢數(shù)、單株粒數(shù)、百粒重和產(chǎn)量下降趨勢(shì)明顯;蛋白質(zhì)含量逐漸
3、下降,脂肪含量反之漸增,蛋脂總量逐漸下降;品種間的差異較大?!航Y(jié)論]該研究可為降低自然災(zāi)害對(duì)大豆生產(chǎn)的影響提供技術(shù)支撐。關(guān)鍵詞大豆;播期;產(chǎn)量;品質(zhì)中圖分類(lèi)號(hào)s565.1文獻(xiàn)標(biāo)識(shí)碼A文章編號(hào)0517—6611(2014)07—01946—03EctofsowingDateonYieldandQualityofSummerSoybean[Glycinemax(L.)Merr.]inYunnanZHAOYiIl·yue,wANGTie-jtm,etal(CropResearchInstitute,YunnanAca
4、demyofAgriculturalSciences,Kunming,Yunnan650205)AbstractiObjective]Theaimwastoconfirmonthesuitablesowingdateofsnn3nlersoybeanofYunnan,andscreenthesuitabledisasterreliefandreseedingcuhivarsindifferentperiodandthecorrespondingcultivationtechniques.[Method]sixi
5、ntroducedandlocalsoybeancuhivars(Jidou17fromHebeiAcademyofAgricultureandForestrySciences,Xudou18andXudou14bothfromXuzhouResearchInstituteofAcultur—alSciences,Xuhu~Region,Zhonghuang13fromInstituteofCropSciences,ChineseAcademyofAgriculturalSciences,DiandouNo.4
6、andDi-andouNo.7bothfromInstituteofFoodCrops,YunnanAcademyofAgriculturalSciences)werechosetocarryoutthesowingdatetesttostudytheeffeetsofsowingdateontheirgrowthperiod,agronomictrmts,yieldtratsandqualitytraitsundersummerconditionsofYunnan,andtheso—wingdatewasMa
7、y21,31andJune10,20,resp.[Result]TheoptimumsowingdateforsummersoybeanofYunnanwasaroundMay21.Withthedelayofsowingdate,thegrowthperiodofthetestedeuhivarsshoaenedgradually;plantheight,branchnumbersandinternodelengthde—creased;yieldanditscomponents,suchaspodnumbe
8、rperplant,seednumberperplantand100-seedweightandyield,declinedevidently;proteincontentdeclinedgradually,whileoilcontentincreased,thetotalcontentofproteinandoildeclinedgradually;therewasobviousdi