摘要
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.
出版日期
2013年06月16日(中国Betway体育网页登陆平台首次上网日期,不代表论文的发表时间)