Diallel analysis of resistance to rice yellow mottle virus in African rice Oryza glabelrrima Steud

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dc.creatorPaul, C.
dc.creatorNg, N.Q.
dc.creatorLadeinde, T.A.
dc.date1995
dc.date2019-04-24T12:29:49Z
dc.date2019-04-24T12:29:49Z
dc.date.accessioned2026-06-27T15:50:26Z
dc.descriptionThe genetics of resistance to rice yellow mottle sobemovirus (RYMV) in O. glaberrima was studied in a 6 parent full diallel cross involving 4 resistant and 2 susceptible genotypes. F1 hybrids resulting from crosses between resistant and susceptible genotypes were susceptible. Susceptibility was close to complete dominance over resistance. Estimates of genetic parameters following Hayman's and Griffing's methods indicated that additive gene effects were sigificant and more important than non-additive ones in determining the expression of resistance to RYMV. The high heritability estimates in additive gene action suggested that the pedigree breeding method would be an effective approach to increasing the level of resistance to RYMV in O. glaberrima.
dc.identifierhttps://hdl.handle.net/10568/101063
dc.identifier.urihttp://hdl.handle.net/123456789/115020
dc.languageen
dc.rightsLimited Access
dc.sourcePaul, C., Ng, N.Q. & Ladeinde, T.A. (1995). Diallel analysis of resistance to rice yellow mottle virus in African rice Oryza glabelrrima Steud. Journal of Genetics and Breeding, 49(3), 217-222.
dc.subjectgenotypes
dc.subjectpathogens
dc.subjectrice yellow mottle virus
dc.titleDiallel analysis of resistance to rice yellow mottle virus in African rice Oryza glabelrrima Steud
dc.typeJournal Article

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Instituto Internacional de Agricultura Tropical (IITA)