Shortening the breeding cycle of sorghum, a model crop for research

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dc.creatorRizal, Govinda
dc.creatorKarki, Shanta
dc.creatorAlcasid, Michael
dc.creatorMontecillo, Florencia
dc.creatorAcebron, Kelvin
dc.creatorLarazo, Nikki
dc.creatorGarcia, Richard
dc.creatorSlamet-Loedin, Inez Hortense
dc.creatorQuick, William Paul
dc.date2014-03
dc.date2024-12-19T12:55:10Z
dc.date2024-12-19T12:55:10Z
dc.date.accessioned2026-06-27T04:13:44Z
dc.descriptionSorghum [Sorghum bicolor (L.) Moench] is a model C4 cereal for both basic and applied research. It has most of the traits of a model plant species: large embryos that are easy to rescue, moderate genome size of about 760 Mb, several unique traits not found in other species, plenty of seeds, and many important agronomic as well as commercial uses. However, it takes a long time to complete its breeding cycle. Other problems encountered during the research on sorghum breeding were early desiccation of embryos from mutants and wide hybridization, and the high‐yielding cultivars and plants grown in controlled environments are usually uniculm, which limits their use in crossing to obtain both selfed and crossed seeds. The objective of this research was to find ways to obtain cross‐ and self‐pollinated seeds from the same plant, conserve the vital embryos, and most important, shorten the breeding cycle. Two methods are reported here. The first method was to produce crossed as well as selfed seeds on the same panicle of the usually uni‐culm plant. The second method was to carry out embryo rescue to save vital embryos as well as shorten the breeding cycle from the regular 17 to 11 wk. By these two methods, the breeding cycle of sorghum was made comparable or even shorter than that of other model crops, which would allow the development of breeding materials much faster.
dc.identifierhttps://hdl.handle.net/10568/165544
dc.identifier.urihttp://hdl.handle.net/123456789/25820
dc.languageen
dc.publisherWiley
dc.sourceRizal, G., Karki, S., Alcasid, M., Montecillo, F., Acebron, K., Larazo, N., Garcia, R., Slamet‐Loedin, I.H. and Quick, W.P. 2014. Shortening the breeding cycle of sorghum, a model crop for research. Crop Science, Volume 54 no. 2 p. 520-529
dc.subjectagronomic traits
dc.subjectcereal crops
dc.subjectcrosses
dc.subjectcultivation
dc.subjectgenes
dc.subjectgenomes
dc.subjectleaves
dc.subjectphysiological traits
dc.subjectplant breeding
dc.subjectsorghum
dc.subjectyields
dc.titleShortening the breeding cycle of sorghum, a model crop for research
dc.typeJournal Article

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Instituto Internacional de Investigación del Arroz (IRRI)