Browsing by Author "Thanh-Tuyen, N.T."
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Item Anther Culture : Its Prospects to Coconut Improvement(1985) Thanh-Tuyen, N.T.Formation of pollen embryos in cultured anthers of coconut (Cocos nucifera L.) points to the eventual possibility of regenerating homozygous coconuts, in one or two generations, via in vitro culture. Various factors related to the success of experimental androgenesis are reviewed. Among these, the most respansive pollen stage for coconut anther culture, suitable nutritional supplies in culture medium and anther pre-treatments have been determined empirically. Nevertheless, a number of experimental problems remain to be solved before it would be possible to predict, and eventually standardize, conditions favorable for androgenic haploid production in recalcitrant species, including the coconut. In view of the usefulness ofhaploids, prospects to utilize them for coconut improvement are discussed in three genera) ways: (1) shorten-ing the time requirement for the production of homozygous lines, (2) speeding up the fixing of desirable genotypes and (3) facilitating the induction and selection of economically important mutants.Item Anther culture: Its prospects to coconut improvement(1985-12) Thanh-Tuyen, N.T.Formation of pollen embryos in cultured anthers of coconut (Cocos nucifera L.) points to the eventual possibility of regenerating homozygous coconuts, in one or two generations, via in vitro culture. Various factors related to the success of experimental androgenesis are reviewed. Among these, the most responsive pollen stage for coconut anther culture, suitable nutritional supplies in culture medium and anther pre-treatments have been determined empirically. Nevertheless, a number of experimental problems remain to be solved before it would be possible to predict, and eventually standardize, conditions favorable for androgenic haploid production in recalcitrant species, including the coconut. In view of the usefulness ofhaploids, prospects to utilize them for coconut improvement are discussed in three genera) ways: (1) shortening the time requirement for the production of homozygous lines, (2) speeding up the fixing of desirable genotypes and (3) facilitating the induction and selection of economically important mutants.Item Philippine "gulaman" as substitute of imported agar in culture medium for coconut embryos(2010) Thanh-Tuyen, N.T.; Apurllo, D.I.Item Philippine gulaman as substitute of imported agar in culture medium for coconut embryos(2010) Thanh-Tuyen, N.T.; Apurllo, D.I.