简介：Toevaluatetheeffectofvegetativefilterstripsonsedimenttrapping,thespatialdistributionofdepositedsediment,andthesizedistributionofdepositedparticlesfromhyperconcentratedflows,asimulatedgrassfilterstripexperimentwasconductedwithplasticgrassusinganadjustableslopesteelflume.Thesimulatedvegetationcoverwas36%,andtheinflowsedimentconcentrationsappliedwere147,238,320,and429kgm~(-3).Thesedimentconcentrationintheoutflow,andthesedimentparticlesizeweredetermined.Theresultsshowedthatthegrassfilterstripstrappedmostofthesedimentfrominflowatlowsedimentconcentration.Thedepositionefficiencydecreasedwithincreasingsedimentconcentration,being55.2%and15.7%inthe147and429kgm~(-3)sedimenttreatments,respectively.Mostofthedepositedsedimentsweredistributedintheupperflume.Inaddition,thegrassfilterstripsmainlytrappedthecoarsesediment(particlesize>10μm).

简介：从低地和中国的高地就职的米饭landraces的基因差异用66多态的简单顺序重复(SSR)被调查标记。从所有324测试就职检测的等位基因的全部的数字每地点与8.409的一个平均等位基因数字(Na)是555，3.574的等位基因(Ne)的平均有效数字和普通香农是1.378的信息索引(I)。基因差异为与装饰用的梨树landraces相比的indicalandraces是更高的，并且高地landraces比低地landraces更遗传上多样。SSR标记，RM72，RM232，RM219，RM241，RM224和RM3显示出多型性的最高的率，这些SSR标记是合适的估计米饭germplasm资源的基因差异。低地和高地landraces的324就职的dendrogram证明所有米饭就职主要被细分进二个组，装饰用的梨树和indica，与是中间的一些。在装饰用的梨树和indica米饭组之中的低地和高地landraces的分发是不同的，与在在装饰用的梨树米饭，而是在indica米饭的没有如此的清楚的区别的低地和高地landraces之间的明显的区别。

简介：为了推进，改进高地大米变化Huhan3和Huhan7，种子样品为约1和5d与二艘可重获的飞船被送到外层空间并且分别地为7和5代被宣传。Phenotypic分析表明词法特点和蛋白质和谷物的直链淀粉内容变化了。由联系基因的简单顺序重复(SSR)和插入删除(InDel)的genomic变化的描述标记显示变化模式是很复杂的。大多数变化在简单顺序重复碎片发生在碎片的3结束或5结束。反向的抄写聚合酶链反应(RT-PCR)试金证明在SSR的那些部分的变化影响了他们的基因表示，显示那基因联系了标记将有用孤立功能的基因。为繁殖的地调查也表明有高产量，高质量和干旱忍耐的更多的线能通过太空繁殖被选择。结果显示太空mutagenesis为米饭繁殖导致了分子的变化，以及生理、词法的变化。

简介：Thisstudywasconductedtodevelopandcharacterizeanovelcytoplasmicmalesterile(CMS)sourcewhichwasidentifiedfromDongxiangwildrice(Oryzarufipogon)bycrossingDongxiangwildriceasfemalewithZhongzao35,anindicainbredvariety,asmaleandcontinuousbackcrossingwithZhongzao35.ObservationunderopticalmicroscopemanifestedthatthisnovelCMSbelongedtotypicalabortiontypewithlesspollencomparedwithwildabortivetypecytoplasm(CMS-WA).SequentialplantingshowedthatthisnovelCMShascompleteandstablemalesterility.Testcrossexperimentshowedthatallthe24testedmaterialsincludingmaintainerandrestorerlinesofCMS-WAandHongliantypecytoplasm(CMS-HL)andotherindicainbredvarietiesarethemaintainerswithcompletemaintainingability,suggestingthatthisnovelCMShasfertilityrestorationtotallydifferentfromCMS-WAandCMS-HLandbelongstoanoveltypeofCMS.Sofar,weonlydiscoveredauniquefertilityrestorationsourceforthisnovelCMS.InheritanceanalysisshowedthatthefertilityrestorationofthisCMSwasgovernedbythreepairsofindependentdominantgenes.ProspectforapplicationofthisnovelCMSsysteminhybridricebreedingwasalsodiscussed.

简介：到杀虫药剂的危险性被从南部的Karnataka的不同地点收集棕色的planthopper的地人口调查，印度(Gangavati，Kathalagere，Kollegala，Soraba和Mandya)。所有地人口在他们的危险性不同到杀虫药剂。一般来说，Soraba和Mandya人口更产生与Gangavati和Kathalagere人口相比的杀虫药剂。抵抗比率在人口viz之中极大地变化了，chlorpyriphos(到16.82褶层的1.13-)，imidacloprid(到13.50褶层的0.53-)，acephate(到5.32褶层的1.34-)，fipronil(到4.06褶层的1.13-)，thiamethoxam(到2.19褶层的1.01-)，clothianidin(到4.86褶层的1.92-)，dinotefuran(到2.22褶层的0.82-)，buprofezin(到5.43褶层的1.06-)和carbofuran(到2.17褶层的0.41-)。从Gangavati，Kathalagere和Kollegala的人口展出了更高的抵抗到一些旧杀虫药剂和低抵抗到新分子。

简介：TheDNAfragmentsabout1600bpwereamplifiedusingrandomamplifiedpolymorphismDNA(RAPD)primerOPA12withthetemplatesofmitochondrialDNAofZhenshan97AandZhenshan97B,andweresequenced.ThenucleotidesequencesandlengthsofthefragmentsfromZhenshan97AandZhenshan97Bshowednodifference.Thepreciselengthofthefragmentwas1588bp.Sequencecharacterizedamplificationregion(SCAR)primerswerethendevelopedtodiscriminatethecytoplasmicmalesterile(CMS)linesandtheirmaintainerlines.Aspecific1588bpfragmentcouldbeamplifiedwithSCARprimers,CHI19F2/CHI19R2andCHI20F3/CHI23R3,inthemitochondrialDNAofZhenshan97A,butnotZhenshan97B.Furthermore,thespecificfragmentcouldbealsoamplifiedfromthetotalDNAfromgreenleaftissuesofZhenshan97AwithSCARprimers,butnotZhenshan97B.Withthecorrespondingprimers,thespecificfragmentcouldalsobeamplifiedfromthetotalDNAofgreenleavesofothertwoCMSlineswithwildabortivetypecytoplasm(CMS-WA),namelyZhenpinAandTianfengA,butnotintheirmaintainerlines.Moreover,usingtotalDNAastemplate,eachofthefourpairsofSCARprimerscouldalsobeusedtoamplifythe1588bpfragmentinCMS-ID(Indonesiapaddytype)lineⅡ-32A,butnotinII-32B,andthespecificfragmentwasamplifiedfromtheDNAofbothF1andF2seedlingsofShanyou63.Theresultsofdetectingthegeneticpurityofaman-mademixtureoftheseedsofZhenshan97AusingCHI20F3/CHI23R3werecompletelyconsistentwiththephenotypes.Takentogether,theseresultsindicatedthatthespecific1588bp-fragmentamplifiedbyCHI20F3/CHI23R3wastheuniqueamplificationproductsofCMSmitochondrialDNA,andcouldbeusedtodistinguishCMS-WAandCMS-IDlinesfromtheircorrespondingmaintainerlinesattheseedlingstage.

简介：Theclosed-jarincubationmethodiswidelyusedtoestimatethemineralizationofsoilorganicC.TherearetwoCpools(i.e.,organicandinorganicC)incalcareoussoil.ToevaluatetheeffectofadditionalcarbonatesonCO2emissionfromcalcareoussoilduringclosed-jarincubation,threeincubationexperimentswereconductedbyaddingdifferenttypes(CaCO3andMgCO3)andamountsofcarbonatetothesoil.TheadditionofcarbonatessignificantlyincreasedCO2emissionfromthesoil;theincreaserangedfrom12.0%intheCaCO3amendedsoilto460%intheMgCO3amendedsoilduringa100-dincubation.CumulativeCO2productionattheendoftheincubationwasthreetimesgreaterintheMgCO3amendedsoilcomparedtotheCaCO3amendedone.TheCO2emissionincreasedwiththeamountofCaCO3addedtothesoil.Incontrast,CO2emissiondecreasedastheamountofMgCO3addedtothesoilincreased.Ourresultsconfirmedthattheclosed-jarincubationmethodcouldleadtoanoverestimateoforganicCmineralizationincalcareoussoils.BecauseofitseffectonsoilpHandthedissolutionofcarbonates,HgCl2shouldnotbeusedtosterilizecalcareoussoiliftheexperimentincludesthemeasurementofsoilCO2production.

简介：我们比较了在处于Karnataka的状态种区域的三棵宽广柚木从三个种子生产区域(矿泉)和柚木(TectonagrandisL.f)的三个相应未耕过的看台(UIS)获得的子孙的词法、基因的属性，印度。一般来说，播种象种子重量，种子尺寸和种子空虚那样的词法参数在与UIS相比的矿泉是显著地优异的。种子萌芽百分比在从矿泉的种子也是更高的。在二每月的间隔测量六个月的幼苗性能被观察在在比较的三个区域中的二个的矿泉优异。尽管矿泉的子孙的基因差异根本比UIS低区域，价值中等高。当差异索引否定地每种子与水果重量，水果直径和核重量被相关时，萌芽百分比断然每种子与水果重量和核重量被相关。矿泉没有对未来种植园的基因差异的严重威胁作为中等改进的种的材料的来源证明重要。