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《施氮量和遮荫对不同基因型水稻产量及一些生理特性的影响》由会员上传分享，免费在线阅读，更多相关内容在学术论文-天天文库。
1、中国水稻科学(ChinJRiceSci),２０１５,２９(２):１４１－１４９http://www．ricesci．cnDOI:１０．３９６９/ji．ssn．１００１Ｇ７２１６．２０１５．０２．００５１４１施氮量和遮荫对不同基因型水稻产量及一些生理特性的影响潘圣刚１,２,＃闻祥成１,＃莫钊文１,２段美洋１,２董浩然１黄贵兴１田华１唐湘如１,２,∗(１华南农业大学农学院,广州５１０６４２;２农业部华南地区作物栽培科学观测实验站,广州５１０６４２;＃共同第一作者;∗通讯联系人,EＧmail:tangxr＠scau．edu．cn)EffectsofNitrog
2、enApplicationandShadingonYieldsandSomePhysiologicalCharacteristicsinDifferentRiceGenotypesPANShengＧgang１,２,＃,WENXiangＧcheng１,＃,MOZhaoＧwen１,２,DUANMeiＧyang１,２,DONGHaoＧran１,HUANGGuiＧxing１,TIANHua１,２,TANGXiangＧru１,２,∗(１CollegeofAgriculture,SouthChinaAgriculturalUniversity,Guangzhou５１
3、０６４２,China;２ScientificObservingandExperimentalStationofCropcultivationinSouthChina,MinistryofAgriculture,China;＃Theseauthorscontributedequallytothiswork;∗Correspondingauthor,EＧmail:mail:tangxr＠scaue．duc．n)PANShenggang,WENXiangcheng,MOZhaowen,etal．Effectsofnitrogenapplicationandsh
4、adingonyieldsandsomephysiologicalcharacteristicsindifferentricegenotypes．ChinJRiceSci,２０１５,２９(２):１４１Ｇ１４９．Abstract:Effectsofshadingatthebeginningofheadingstageongrainyieldsandsomephysiologicalcharacteristicsunderdifferentnitrogenapplicationratesindifferentricegenotypeswereinvestig
5、atedbyusingPeizataifeng,２,whichwasYuejingsimiaoandTianyou９９８astestmaterials．Nitrogenapplicationratewas０,１２０and１８０kg/hmexpressedasNN,MNandHNinorder,respectively．TheshadingtreatmentwasdoubleＧdeckshade,singleＧdeckshadeandnoshade,whichwasexpressedasDS,SSandCK,respectively．Comparedwit
6、hNN,leafareaindex(LAI),stemdryweight,totaldrymaterialweight,dryweightoutputandexportpercentageofdrymatterinstemandsheathunderHNwerehigherinfivedaysrecoveryundershadetreatmentinrice．Andphotosynthesisrate(Pr)andstomatalconductance(Gs)inthefirstleaffromthetopunderHNwashigherthanthat
7、underNN,respectively．Furthermore,grainyieldandeffectivepaniclenumberperhillandtotalnumberofspikeletsperpanicleweresignificantlyhigherunderHN,whereasseedsettingrateand１０００ＧgrainＧweightwasremarkablyfewerthanthatunderNN．Comparedwithnoshadetreatment,stemdryweight,totaldrymaterialweig
8、ht,LAI,PrandGsdeclinedevidentlyunderDS．A
