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1、安徽农业科学,JournalofAnhuiAgri.Sci.2007,35(21):6513-6515责任编辑孙红忠责任校对李菲菲不同施肥水平对3个扁豆品种生长发育及前期产量的影响*王云,黄双,王伏英,万海清,李密,黄建韶,彭友林(湖南文理学院特种蔬菜研究所,湖南常德415000)摘要为了研究不同施肥水平对扁豆生长发育及前期产量的影响,为扁豆的高产栽培提供理论依据。采用田间正交组合试验,研究不同施肥水平对湘扁豆1号、湘扁豆2号、湘扁豆3号生长发育及前期产量的影响。苗期湘扁豆1号比湘扁豆2号、湘扁豆3号高1.0～2.5cm。在营养生长阶段,高氮处理植株的主茎高度明显
2、高于低氮处理的;在生殖生长阶段,高磷处理植株的始花期和始荚期都比低磷处理的早,且每花序结荚数比低磷小区多。3个扁豆品种之间前期产量存在显著差异,而其他因素处理的前期产量都未达到显著水平。氮肥促进扁豆的营养生长,磷肥促进扁豆的生殖生长。不同施肥水平对扁豆品种前期产量没有影响。关键词施肥水平;扁豆;生长发育;前期产量中图分类号S643.5文献标识码A文章编号0517-6611(2007)21-06513-03EffectsoftheDifferentFertilizationLevelsontheGrowthandDevelopment,andProphaseYiel
3、dofDolichoslablabL.WANGYunetal(SpecialVegetableResearchInstitute,HunanUniversityofArtsandScience,Changde,Hunan415000)AbstractTheresearchwasconstructedtostudytheeffectsofdifferentfertilizationlevelsonthegrowthanddevelopment,prophaseyieldofDolichoslablabL.,soastoprovidethetheoreticalbas
4、isforthehigh-yieldcultivationofDolichoslablabL.Infieldexperimentswithorthogonalcombinationdesign,theeffectsofdifferentfertilizationlevelsonthegrowthanddevelopment,prophaseyieldofXiangbian1,Xiangbian2andXiangbian3werestudied.Dur-ingseedlingstage,theplantheightofXiangbian1was1.0～2.5cmhi
5、gherthanthatofXiangbian2andXiangbian3.Duringthenutritiongrowthstage,theheightofthemainsteminhighnitrogentreatmentwashigherthanthatinlownitrogentreatment.Duringthereproductivegrowthstage,theinitialfloweringstageandthebeginningstageofpodformationinhighphosphorustreatmentwereearlierthant
6、hoseinlowphosphorustreatmentandthepodnum-bersperinflorescenceinhighphosphatetreatmentweremorethaninlowphosphatetreatment.TheprophaseyieldsofDolichoslablabL.hadasignificantdifferenceamong3varieties,whiletheprophaseyieldsintreatmentswithotherfactorscouldn’treachthesignificantlevel.Nitro
7、genfertilizerpromotedthevegetationgrowth,whilephosphorusfertilizerpromotedthereproductivegrowth.DifferentfertilizationlevelshadnoeffectontheprophaseyieldofDolichoslablabL.KeywordsFertilizationlevel;DolichoslablabL.;Growthanddevelopment;Prophaseyield扁豆(DolichoslablabL.),又名沿篱豆、膨皮豆,在我国种,
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