Indian Society of Genetics & Plant Breeding

Important

ON THE DEVELOPMENT OF A NEW SET OF PRIMARY TRISOMIeS IN AN INDIAN MAIZE

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In the triploid x diploid crosses of maize (Zea mays L.) the plump, semiplump, shrivelled
and fluffy kernels had 42.7, 25.5,12.0 and 0'1. survival, respectively. The kernel categories
showed difference in chromosome number variation pattern. The plump kernels contained
23.4% trisomies, whereas the semiplump and shrivelled kernels contained 10.8% and 3.3'1.
trisomies, respectively. Karyotype analysis revealed that any extra chromosome can be
transmitted through the female gamete of the triploid and thus it will be possible to identify
different primary trisomies from the plump kernels of triploid x diploid crosses or its
progeny.
 

Keywords: Maize, triploid x diploid crosses, primary trisomies.

Info

Year: 1992
Volume: 52
Issue: 1
Article DOI: NA
Print ISSN: 0019-5200
Online ISSN: 0975-6906

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