Karyotypic analysis of C-banded chromosomes of diploid alfalfa: Medicago sativa ssp. caerulea and ssp. falcata and their hybrid

Article Abstract:

Karyotyping using C-banding techniques was undertaken using two subspecies of alfalfa, Medicago sativa ssp. caerulea and Medicago sativa ssp. falcata and their hybrid to develop a karyotype for these subspecies and to investigate if C-banding will resolve the parental source of chromosomes from hybrid plants. Results indicate that the C-banding karyotype of Medicago sativa ssp. caerulea is sufficiently different from that of Medicago sativa ssp. falcata to allow differentiation between parental chromosomes in the hybrid plant.

Karyotypes

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Karyotypic analysis of N-banded chromosomes of diploid alfalfa: Medicago sativa ssp. caerulea and ssp. falcata and their hybrid

Article Abstract:

An N-banding method was used to study chromosomes of two diploid subspecies of Medicago sativa, ssp. caerulea and ssp. falcata. The aim was to develop an N-banded karyotype and use the technique to identify parental chromosomes in hybrids. Chromosome-specific bands were seen in ssp. caerulea, allowing each of the eight pairs of chromosomes to be identified and an idiogram to be developed.

Chromosomes

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Cytomixis in pollen mother cells of medicago sativa L.

Article Abstract:

The identification of a few cytomictic alfalfa plants 'mother plants' found to be cytomictic, which were selfed and crossed with a normal control plant, using microsporogenesis analysis are studied. Cytomixis is been detected in many plant species, but not in Medicago sativa spp.

Science & research, All Other Miscellaneous Crop Farming, Field crops, except cash grains, not elsewhere classified, Alfalfa, Plant cells and tissues, Plant cells, Genetic research

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