Abstract
Some of results from morphological and cytological observations and esterase-isozyme studies of a rice-sorghum hybrid are presented in this paper. There is a great diversity of morphological characters and some special characteristics in the progenies of the hybrids of rice with sorghum. The meiosis of pollen mother cells in the early generations of the hybrid was found to be abnormal. One main band coinciding with one found in sorghum but lacking in rice appeared in the majority of the hybrid lines. This band is characteristic of a are the specificities of the distant hybridization of rice and sorghum, and is rarely observed in the intervariety hybrids or hybrids between subspecies of Oryza sativa, indica and japonica. On the basis of these facts we concluded that the hybrids obtained are true hybrids of rice and sorghum.
Published Version
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