不同水稻品種對(duì)稻縱卷葉螟的抗性與其生理生化機(jī)制.研究

《不同水稻品種對(duì)稻縱卷葉螟的抗性與其生理生化機(jī)制.研究》由會(huì)員上傳分享，免費(fèi)在線閱讀，更多相關(guān)內(nèi)容在應(yīng)用文檔-天天文庫。

1、許璐：不同水稻品種對(duì)稻縱卷葉螟的抗性及其生理生化機(jī)制研究英文摘要英又捅要Inrecentyears，riceleafrolderC，z印r乃口腸c，Dc西聊P西聆口凰(Gtlen6e)outbreal(sinChinahaVeresultedinseriousd鋤agetorice．However，causesoftheoutbrea

2、(snotbeenunderstood．Therefore，u11derst2uldingofC肌P鋤口凰outbreakmechanismsisofimportantsignifica芏lceforsuSta

3、inablecontroloft}lepest．ThispaperfeViewedt圭leoccu玎encealldoutlb碥出causesoft}lepest，andresis切nceofricetot王1epest．ThepresentinVestigationistoeXaminephysi0109icalandbiochemicalrest鋤ceoftheseVeralriceV撕etiescommonlycultiVatedinproductiontothepest，alldtheobjectiVeistopr0Videscien

4、tificinfonllationforbreedingofresistantriceVarietyaIldsustaina_blemanagementoftIlepestarldthemethodofscreeningofresistantv撕etyaccordingt0physiologicalandbiochemicalindicesofriceplant．Experimentalresultsareasf．ollo、Ⅳs：1．Lifb·tabIeparametersofasemi-naturaIpopulationofc咒哆p?？谯?

5、c，‘口c豇mP‘Z婦l口垴(G{ien6e)ondif&rentriceVarietiesandchangesinsugarcontentinriceplantsafterinsectinfbstationLife叱渺lepar鋤eterSofC掰P旃托D凰onflveextendedriceVarieties，Yjm西in9538，Huida09，‰g確in8，Y觚gdao6，a11dShanyou63，werecomparedunderasemi-na：turalpopulation，i．e．，pottedriceplalltscoVe

6、redwithabigcage(1．5mlen舀h×1mwidm×1mheight)underexclusionofnaturalenemies．Thesepar鋤etersweresurViValrate，fecundi饑andindexofpopulationtrend(I)．ExperimentalresultsshowedthatmeindexofpopulationtrendofC聊P訪刀口，括thatfedonHuidao9w嬲thelowest撇ongthefiVeVarieties，indicatingthatHuidao9w

7、asresistanttotheinsect．ThatonYang刪in8、Ⅳasthehi曲est．T11eIValueforYang蜘in8was3．56timeshigherthaIlthatforHuidao9．Thes珈ⅣiValra比ofdifferentdeVelopmentalstages，ratiooffemaleadultstomaleadults(早舊)，pupa、veight，mlnlberofeggslaidbyfemaleadults，andpercentaged鋤ageofriceleaVesVariedwith

8、riceVarietieS．Inaddition，thisstudymeasuredchangesinbiochemicalsubstancesinricepl趾ts硪erpestinfestation．TheresultdemonstratedthatsolublesugarcontentinplantsonwhichC肌“砌口Z括larvaefedwasnotsigmficantlydifrerentfordifI'erentVarieties，butwassignificantlydifI’erentcomparedt0control(

9、non．feeding)plants．Thereducedsugarcontentinplantswassignmcamlydifferent鋤ongthenVeV