Cytological Studies in Digitaria pentzii Stent
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How to Cite

Shambulingappa, K. G. (1970). Cytological Studies in Digitaria pentzii Stent. The Journal of Agriculture of the University of Puerto Rico, 54(2), 401–408. https://doi.org/10.46429/jaupr.v54i2.11102

Abstract

Fourteen accessions of Digitaria pentzii have been studied cytologically: Ten of them are tetraploids, two are triploids, one is a diploid and one is a aneuploid. Observations made on chromosome configurations at diakinensis and metaphase 1 in polyploids, together with preliminary studies on gross morphology of pachytene chromosomes, indicate that the tetraploids are allopolyploids and the triploids are autopolyploids. Elimination of chromatin material through B-chromosome process following translocation is cited as one of the mechanisms for the occurrence of aneuploids.
https://doi.org/10.46429/jaupr.v54i2.11102
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