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1、中国水稻科学(ChinJRiceSci),２０１５,２９(１):４５－５５http://www．ricesci．cnDOI:１０．３９６９/ji．ssn．１００１Ｇ７２１６．２０１５．０１．００６４５有序摆抛栽对超级稻植株抗倒伏能力的影响郭保卫１朱大伟１许轲１张洪程１,∗周兴涛１,２朱聪聪１曹利强１陈厚存３陈京都１,４戴其根１霍中洋１魏海燕１李明银１(１扬州大学农业部长江流域稻作技术创新中心/江苏省作物遗传生理重点实验室,江苏扬州２２５００９;２扬州市农业技术推广站,江苏扬州２２５０００;３海安县作物栽培技术指导站,江苏海安２２６６００;４扬州市农产品质量监督检测中心,江苏
2、扬州２２５０００;∗通讯联系人,EＧmail:hczhang＠yzu．edu．cn)EffectofOrderedTransplantingandOptimizedBroadcastingontheCulmLodgingResistanceofSuperRiceGUOBaoＧwei１,ZHUDaＧwei１,XUKe１,ZHANGHongＧcheng１,∗,ZHOUXingＧtao１,２,ZHUCongＧcong１,CAOLiＧ１,CHENHouＧcun３,CHENJingＧdu１,４,DAIQiＧgen１,HUOZhongＧyang１,WEIHaiＧyan１,LIMingＧ
3、yin１qiang(１InnovationCenterofRiceCultivationTechnologyinYangtzeValley,MinistryofAgriculture/KeyLaboratoryofCropGeneticsandPhysiologyofJiangsuProvince,Yangzhou２２５００９,China;２YangzhouAgriculturalTechnologyExtensionCenter,Yangzhou２２５０００,China;３CropCulturalStation,HaianCounty,Haian２２６６００,China;
4、４YangzhouAgriculturalProductsQualitySupervisionandTestingCenter,Yangzhou２２５０００,China;∗Correspondingauthor,EＧmail:hczhang＠yzue．duc．n)GUOBaowei,ZHUDawei,XUKe,etal．Effectoforderedtransplantingandoptimizedbroadcastingontheculmlodgingresistanceofsuperrice．ChinJRiceSci,２０１５,２９(１):４５Ｇ５５．Abstract:
5、Thelodgingresistanceofriceunderorderedtransplanting(OT),optimizedbroadcasting(OB)andcasttransplanting(CT)wascomparedwiththatundermechanicaltransplanting(MT)basedonculmbreakingresistance,culmdiameter,internodeslength,culmwallthickness,dryweight,etcbyusingsuperricewuyunjing２４andnanjing４４．The
6、resultsareasfollows:１)Thelodgingresistancesignificantlydifferedunderdifferenttransplantingpatterns．Thebreakingforce(BF),bendingmoment(BM)andlodgingresistanceamongdifferenttransplantingtreatmentswereOT＞OB＞CT,MT．Therewerenosignificantdifferencesinlodgingindex(LI)ofthe１stbasalinternodesfor３Ｇh
7、ole,２ＧholeandsingleＧholeseedlingswhilethelodgingresistanceof２Ｇholeand３ＧholericewashigherthanthatofsingleＧholericeforthe２nd,３rd,４thbasalinternodes．２)Orderedtransplantingandoptimizedbroadcastingresultedinslightlylowerratioofgravitycenterheighttoplantheight,heavi
