Genetic Studies of Perennial Habit in Some Species of the Genus Oryza

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dc.contributor.authorOloyede, F. A.
dc.contributor.authorNwokeocha, Chinyere C.
dc.contributor.authorFaluyi, J. O
dc.coverage.geographicalAfricaen_US
dc.date.accessioned2014-03-10T12:32:00Z
dc.date.accessioned2018-10-29T11:00:01Z
dc.date.available2014-03-10T12:32:00Z
dc.date.available2018-10-29T11:00:01Z
dc.date.issued1999
dc.departmentBotanyen_US
dc.description.abstractPerennial habit was observed in various accessions of three species of Oryza (Oryza sativa, Oryza glaberrima and Oryza punctata) and their intervarietal and interspecific hybrids. In the specific case of TOS PURPLE and TOS 15223, the F1 was advanced to the F2 to monitor the mode of segregation for the perennial habit exhibited by TOS PURPLE. Two kinds of perennial habit were noticed in the three species studied – continuous production of new tillers by the rootstock leading to a massive accumulation of above and below-ground biomass as in all O. punctata accessions and AWGU DWARF-W; production of new tillers from the rootstock after a period of quiescence at the end of a life cycle with the old tillers completely dead as in TOS PURPLE. All O. barthii and O. glaberrima accessions are annuals. This paper reports the behavior of the first type and full details of the second type of perennial habit. The interspecific crosses showed that perennial habit while the second type is conditioned by a single recessive gene i.e. it is recessive to the annual habit. The significance of this finding for peasant agriculture is discussed.en_US
dc.facultiesScienceen_US
dc.format.filetypePDFen_US
dc.identifier.citationOloyede, F. A. Nwokeocha, Chinyere C. and Faluyi, J. O. (1999). Genetic Studies of Perennial Habit in Some Species of the Genus Oryza. Nigerian Journal of Botany, 12(2).en_US
dc.identifier.urihttp://localhost:8080/xmlui/handle/123456789/3339
dc.language.isoenen_US
dc.pages.totalpages6en_US
dc.subjectO. sativaen_US
dc.subjectAsian riceen_US
dc.subjectAgronomic characteristics of riceen_US
dc.subjectPerennial plantsen_US
dc.subjectO. glaberrimaen_US
dc.subjectAfrican riceen_US
dc.subjectOryza punctataen_US
dc.subjectOryza barthiien_US
dc.titleGenetic Studies of Perennial Habit in Some Species of the Genus Oryzaen_US
dc.typeArticleen_US
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