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.
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)