Anther culture of tropical japonica × indica hybrids of rice (Oryza sativa L.)
Copyright policy )Anther culture of tropical japonica × indica hybrids of rice (Oryza sativa L.)
Nine japonica × indica F1 hybrids of rice involving 6 indica and 3 japonica tropical varieties, were large scale anther cultured. The frequency of callusing anthers averaged 18.7%. The microspore-derived calli produced green plants with a mean frequency of 8.7%. Albino plants represented 61% of the shoot forming calli. Monitoring of the green and albino plant regenerating capabilities of calli arising between week 4 and week 8 of incubation of the anthers showed no increase of the albino/green ratio and a slow decrease of the shoot forming ability of the transferred calli after the sixth week of culture. Spontaneous doubled haploids (SDH) represented 46% of the regenerated green plants in 4 hybrids. However, a high frequency of partially sterile regenerants was noticed among 132 SDH plants generated from a hybrid.
haploïdie, http://aims.fao.org/aos/agrovoc/c_3707, http://aims.fao.org/aos/agrovoc/c_27475, Oryza sativa, culture d'anthère, hybride, callogénèse, F30 - Génétique et amélioration des plantes, http://aims.fao.org/aos/agrovoc/c_3490, http://aims.fao.org/aos/agrovoc/c_5438, http://aims.fao.org/aos/agrovoc/c_8837, http://aims.fao.org/aos/agrovoc/c_8177, multiplication végétative
haploïdie, http://aims.fao.org/aos/agrovoc/c_3707, http://aims.fao.org/aos/agrovoc/c_27475, Oryza sativa, culture d'anthère, hybride, callogénèse, F30 - Génétique et amélioration des plantes, http://aims.fao.org/aos/agrovoc/c_3490, http://aims.fao.org/aos/agrovoc/c_5438, http://aims.fao.org/aos/agrovoc/c_8837, http://aims.fao.org/aos/agrovoc/c_8177, multiplication végétative
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