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1、中國水稻科學(ChinJRiceSci),２０１６,３０(５):４９３－５０６http://www．ricesci．cnDOI:１０．１６８１９/j．１００１Ｇ７２１６．２０１６．６０１５４９３機插方式和密度對不同穗型水稻品種產(chǎn)量及其構(gòu)成的影響胡雅杰錢海軍曹偉偉邢志鵬張洪程?戴其根霍中洋許軻魏海燕郭保衛(wèi)(揚州大學農(nóng)業(yè)部長江流域稻作技術(shù)創(chuàng)新中心/江蘇省作物遺傳生理國家重點實驗室培育點,江蘇揚州２２５００９;?通訊聯(lián)系人,EＧmail:hczhang＠yzu．edu．cn)EffectofDifferentMechanic
2、alTransplantationMethodsandDensityonYieldandItsComponentsofDifferentPanicleＧtypedRiceHUYaＧjie,QIANHaiＧjun,CAOWeiＧwei,XINGZhiＧpeng,ZHANGHongＧcheng?,DAIQiＧgen,HUOZhongＧyang,XUKe,WEIHaiＧyan,GUOBaoＧwei(InnovationCenterofRiceCultivationTechnologyintheYangtzeValley,Mi
3、nistryofAgriculture/JiangsuKeyLaboratoryofCropGeneticsandPhysiology,YangzhouUniversity,Yangzhou２２５００９,China;?Correspondingauthor,EＧmail:hczhang＠yzue．duc．n)HUYajie,QIANHaijun,CAOWeiwei,etal．Effectofdifferentmechanicaltransplantationmethodsanddensityonyieldanditsc
4、omponentsofdifferentpanicleＧtypedrice．ChinJRiceSci,２０１６,３０(５):４９３Ｇ５０６．Abstract:InordertoapplysuitablepanicleＧtypedcultivarandplantdensityunderdifferentmechanicaltransplantationmethods,andclarifyhighＧyieldformationcharacteristicsofdifferentpanicleＧtypedrice,anexp
5、erimentwasconductedinXinghuatestpointofYangzhouUniversityduring２０１３and２０１４．ThreepanicleＧtypedriceincludinglargepanicletype(LPT,Yongyou２６４０andYongyou８),mediumpanicletype(MPT,Wuyunjing２４andNingjing３)andsmallpanicletype(SPT,Huaidao５andHuaidao１０)werefieldＧgrown．Weco
6、mparedthreemechanicallytransplantedmethodsincludingmechanicallytransplantedpotseedling(A),mechanicallytransplantedcarpetedseedlinginrowspacingof３０cm(B),mechanicallytransplantedcarpetedseedlinginrowspacingof２５cm(C)atdifferentplantdensities,namelyplantspacingof１２c
7、m,１４cmand１６cm(markedas１,２,３)inAandplantspacingof１０cm,１１．７cm,１３．３cm,１４?８cm,１６cm(markedas１,２,３,４,５)inBandC．Yieldanditsformation,panicletraitswereinvestigated．Themainresultswereasfollows:１)formechanicallytransplantedpotseedling,withdecliningplantdensity,yieldofLPTi
8、ncreasedandthenreduced,peakinginA２treatment;yieldofMPTandSPTreduced,peakinginA１treatment．Formechanicallytransplantedcarpetseedling,withreducingplantdensity,yieldofLPT
