Phenotypic Expression of Whitebacked Planthopper Resistance in the Newly Established japonica / indica Doubled Haploid Rice Population

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    摘要 Anewdoubledhaploid(DH)ricepopulationwasestablishedfromacrossbetweenWBPH-resistantjaponicaChunjiang06(CJ-06)andsusceptibleindicaTN1.SuckinginhibitoryandovicidalresistanceoftheDHricelineswereevaluatedonthebasisofnon-preferenceresponseofWBPHimmigrantsandhoneydewexcretionbyWBPHfemales,andappearanceofwaterylesionsinthenecroticdiscolorationofleafsheathsovipositiedbyWBPH,respectively.BoththemajorgeneresistancetoWBPH,suckinginhibitoryandovicidalresistance,showed1(resistant):1(susceptible)segregationratiointheDHpopulation.RelativedensityofWBPHpopulationsanddamagescoresintheDHpopulationindicatedcombinedfunctionsofboththemajorresistancegenesaswellasQTLsaffectingthehostplantresponsetoWBPHinfestations.Thus,thenewlydevelopedCJ-06/-I-N1DHpopulationcouldbeausefulmaterialtoanalyzemajorgenesandQTLsforWBPHresistanceinjaponicarice.
    机构地区 不详
    出处 《水稻科学:英文版》 2004年4期
    出版日期 2004年04月14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)
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