Resistance Performance to Whitebacked Planthopper in Different Phenotypes of Japonica / Indica Doubled Haploid Rice Lines

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摘要 Fieldperformanceofwhitebackedplanthopper(WBPH)-resistanceoffourphenotypeswasevaluatedinChunjiang06(CJ-06)/TN1DHricelines,whichwereexpressedbydifferentcombinationsofsuckinginhibitoryandovicidaltraitsinheritedindependentlyfromCJ-06.WBPHestablishedthehighestpopulationsinsusceptibleDHlinesthathadneithersuckinginhibitory-norovicidalresistance.Bothimmigrationandsubsequentpopulationlevelswerekeptbelowthedamage-causingdensityinthesuckinginhibitoryDHlinesevenunderaWBPHoutbreak.WBPHcouldnotbuilduppopulationsintheDHlineshavingboththesuckinginhibitoryandovicidalresistance.AlthoughWBPHimmigratedpreferentiallytonon-suckinginhibitoryDHlineswithovicidalresistance,subsequentpopulationbuildupwassignificantlysuppressed.ItwasconcludedthatthedifferentialperformancetoWBPH-resistanceinCJ-06/TN1DHlineswasprimarilyduetothesuckinginhibitorytrait,andcomplementarilytotheovicidaltrait.
机构地区 不详
出处 《水稻科学:英文版》 2005年2期
出版日期 2005年02月12日(中国期刊网平台首次上网日期,不代表论文的发表时间)
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