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Cytogenetic Studies in Interspecific and Intraspecific Hybrids ofGossypium HerbaceumL. andGossypium ArboreumL.

M. N. Gennur, Ahsan Habib, S. N. Kadapa, J. V. Goud

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Abstract

SUMMARYMeiotic studies of interspecific and intraspecific hydrids of Gossypium herbaceum and Gossypium arboreum with reference to the occurrence of univalents, multivalents and pollen sterility are described. It is concluded that the pollen sterility in inter-specific hybrids is greater than in intra-specific hybrids and that the two species are cytologically differentiated by a single translocation difference.

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SUMMARYMeiotic studies of interspecific and intraspecific hydrids of Gossypium herbaceum and Gossypium arboreum with reference to the occurrence of univalents, multivalents and pollen sterility are described. It is concluded that the pollen sterility in inter-specific hybrids is greater than in intra-specific hybrids and that the two species are cytologically differentiated by a single translocation difference.

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Available abstract

SUMMARYMeiotic studies of interspecific and intraspecific hydrids of Gossypium herbaceum and Gossypium arboreum with reference to the occurrence of univalents, multivalents and pollen sterility are described. It is concluded that the pollen sterility in inter-specific hybrids is greater than in intra-specific hybrids and that the two species are cytologically differentiated by a single translocation difference.

Key concepts: Biology, Gossypium, Sterility, Intraspecific competition, Interspecific competition, Interspecific hybrids, Hybrid, Pollen

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Cytogenetic Studies in Interspecific and Intraspecific Hybrids ofGossypium HerbaceumL. andGossypium ArboreumL. — Research Paper | ScholarLens