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简介：Aleafinclinationangledistributionmodel,whichisapplicabletosimulateleafinclinationangledistributioninsixheightsoflayeredcanopyatdifferentgrowthstages,wasestablishedbycomponentfactorsaffectingplanttypeinrice.Theaccuracyofthesimulationresultswasvalidatedbymeasuredvaluesfromafieldexperiment.Thecoefficientofdetermination(R2)andtherootmeansquareerror(RMSE)betweenthesimulatedandmeasuredvalueswere0.9472and3.93%,respectively.Thesimulationresultsshowedthatthedistributionofleafinclinationanglesdifferedamongthethreeplanttypes.TheleafinclinationangleswerelargerinthecompactvarietyLiangyoupeijiuwitherectleavesthanintheloosevarietyShanyou63withdroopyleavesandtheintermediatevarietyLiangyouY06.TheleafinclinationanglesweredistributedinthelowerrangeinShanyou63,whichmatchedupwithfieldmeasurements.Thedistributionofleafinclinationanglesinthesamevarietychangedthroughoutthesevengrowthstages.Theleafinclinationanglesenlargedgraduallyfromtransplantingtobooting.Duringthepost-bootingperiod,theleafinclinationangleincreasedinShanyou63andLiangyouY06,butchangedlittleinLiangyoupeijiu.Ateverygrowthstageofeachvariety,canopyleafinclinationangledistributiononthesixheightsofcanopylayerswasvariable.Ascanopyheightincreased,thelayeredleafareaindex(LAI)decreasedinallthethreeplanttypes.However,whiletheleafinclinationanglesshowedlittlechangeinLiangyoupeijiu,theybecamelargerinShanyou63butsmallerinLiangyouY06.Thesimulationresultsusedintheconstructedmodelwereverysimilartotheactualmeasurementvalues.Themodelprovidesamethodforestimatingcanopyleafinclinationangledistributioninriceproduction.

简介：Alightbrownspotted-leafmutantofricewasisolatedfromanethanemethylsulfonate(EMS)-inducedIR64mutantbank.Themutant,designatedaslbsl1(lightbrownspotted-leaf1),displayedlightbrownspotinthewholegrowthperiodfromthefirstleaftotheflagleafundernaturalsummerfieldconditions.Agronomictraitsincludingplantheight,growthduration,numberoffilledgrainsperpanicle,seed-settingrateand1000-grainweightofthemutantweresignificantlyaffected.Geneticanalysisshowedthatthemutationwascontrolledbyasinglerecessivegene,tentativelynamedlbsl1(t),whichwasmappedtotheshortarmofchromosome6.Bydevelopingsimplesequencerepeat(SSR)markers,thegenewasfinallydelimitedtoanintervalof130kbbetweenmarkersRM586andRM588.Thelbsl1(t)geneislikelyanovelricespotted-leafgenesincenoothersimilargeneshavebeenidentifiednearthechromosomalregion.Thegeneticdataandrecombinationpopulationsprovidedwillfacilitatefurtherfine-mappingandcloningofthegene.

简介：Suoerkuduke()Cu(瞬间)沉积物，在有Xilekuduke的一样的metallogenic带()Cu瞬间沉积物，位于Armantai()东方Junggar的北边缘上的岛弧带，西北中国。七个辉钼矿的同位素的分析从存款取样的金来和锇被用来决定矿化作用的年龄。317.7的七点的isochron年龄

简介：试图学习在里面vivo男白化体老鼠上的Tabernaemontanadivaricata叶摘录的反煽动性的活动。方法水的煎和甲醇叶摘录为他们减少巴豆的能力被测试在在热门申请以后的鼠标耳朵的导致油的浮肿。甲醇叶摘录dose-dependently禁止了巴豆在老鼠的导致油的耳朵浮肿(ID50<500?g

简介：FieldexperimentswereconductedintheEbroDeltaarea(Spain),from2007to2009withtworicevarieties:GlevaandTebre.Theexperimentaltreatmentsincludedaseriesofseedrates,twodifferentwatermanagementsystemsandtwodifferentnitrogenfertilizationtimes.Thenumberofleavesonthemainstemsandtheiremergencetimewereperiodicallytagged.Theresultsindicatedthatthefinalleafnumberonthemainstemsinthetworicevarietieswasquitestableoverathree-yearperioddespiteofthedifferencesintheirrespectivegrowthcycles.Interactionbetweennitrogenfertilizationandwatermanagementinfluencedthefinalleafnumberonthemainstems.Plantdensityalsohadasignificantinfluenceontherateofleafappearancebyextendingthephyllochronandpostponingtheonsetofintraspecificcompetitionaftertheemergenceofthe7thleafonthemainstems.Finalleafnumberonthemainstemswasnegativelyrelatedtoplantdensity.Arelationshipbetweenleafappearanceandthermaltimewasestablishedwithastrongnonlinearfunction.Indirect-seededrice,thelengthofthephyllochronincreasesexponentiallyinlinewiththeadvanceofplantdevelopment.Ageneralmodel,derivedfrom2-yearexperimentaldata,wasdevelopedandsatisfactorilyvalidated;ithadarootmeansquareerrorof0.3leaf.Anexponentialmodelcanbeusedtopredictleafemergenceindirect-seededrice.

简介：FoldingandspinningbehaviorofCnaphalocrocismedinalis(Guenee)(Lepidoptera:Pyralidae)indifferentcategoriesofricegenotypesviz.,resistant,susceptible,hybrid,scented,popularandwildricegenotypesweresignificantlydifferent.Longerleafselectiontimeandfoldingtimeperprimaryfold;shorterprimaryfoldandwholeleaffold;lowernumberofbindsperprimaryfoldandwholeleaffoldwererecordedinresistantandwildricegenotypes.Inthecorrelationanalysis,itwasfoundthattheleaffoldingparameterswerepositivelycorrelatedtoleaffolderdamagewhereastheleafspinningparameterswerenegativelycorrelated.Similarly,themorphologicalcharactersdifferedsignificantlyamongthechosengenotypesandwererelatedtoleaffolderdamage.Theleafwidthandtotalproductivetillernumberwerepositivelycorrelatedtoleaffolderinfestation.Resultsalsoindicatedthatthetrichomedensityandlength,leaflengthandplantheightmightcontributetoresistancewhereastotalnumberofgreenleaveshadnoeffectonleaffolderinfestation.Inthescatterplotanalysisbetweenleaffoldingandspinningcharactersandleaffolderdamage,thegenotypeswereseparatedintofourgroupsviz.,resistant(TKM6,Ptb33,LFR831311,OryzarhizomatisandO.minuta),moderatelyresistant(ASD16andCORH1),moderatelysusceptible(ADT36,PusaBasmatiandCB200290)andsusceptible(IR36andTN1).Thepresentinvestigationprovedthattheleafmorphologyviz.,leaflengthandwidth,plantheightandtrichomedensityandlengthmayplayavitalroleinresistanceagainstriceleaffolder.

简介：调查的目的在里面vitro抗氧化剂活动和methanolic叶的全部的酉分的内容Nyctanthesarbor-tristisL提取。(NA)。样品在vitro抗氧化剂方法用五被测试的方法(1，1-diphenyl-2-picryl肼基清除活动(DPPH)，氢氧根激进清除的活动(-OH),氮的氧化物清除活动(没有)，superoxide激进清除的活动，并且总计抗氧化剂活动)评估在里面NA和全部的酉分的内容(Folin-Ciocalteu方法)的vitro抗氧化剂潜力。摘录看好免费激进的清除性质哪个作为IC50价值计算。methanolic摘录的结果IC50(半最大的禁止的集中)被发现是57.93?g牴慥整?慲獴愠?潢桴搠獯獥

简介：Tocomparetheeffectsofslow-releasenitrogenfertilizeratsixdifferentlevelsontheflagleafchlorophyllfluorescencecharacteristicsofsuperhybridrice,afieldfertilizationexperimentwasconductedwithsuperhybridriceYLiangyou1asatestmaterial.Thephotosyntheticelectrontransportrate(ETR),effectivequantumyield(EQY),photochemicalquenchingcoefficient(qP),andnon-photochemicalquenchingcoefficient(NPQ)offlagleavesweremeasuredattheinitialheading,fullheading,10dafterfullheadingand20dafterfullheadingstages.ResultsshowedthatthevaluesofETR,EQYandqPincreasedwithricedevelopmentfrominitialheadingto20dafterfullheading,whereastheNPQdecreased.Duringthemeasuredstages,ETR,EQYandqPincreasedinitiallyandthendecreasedasnitrogenapplicationamountincreased,buttheypeakedatdifferentnitrogenfertilizerlevels.ThemaximumETRandEQYvaluesappearedatthetreatmentof135kg/hm2N.Inconclusion,theoptimumnitrogenamountforchlorophyllfluorescencecharacteristicsofsuperhybridricewas135180kg/hm2.