Koduru, P.R.K. and Rao, M.K. (1984) Cytogenetics of a semidwarf phenotype in pearl millet, Pennisetum americanum (L.) Leeke. Canadian Journal of Genetics and Cytology, 26 (3). pp. 272-278.
![[img]](http://eprints.icrisat.ac.in/style/images/fileicons/application_pdf.png) |
PDF
- Published Version
Restricted to ICRISAT researchers only |
Abstract
A semidwarf designated TLD (translocation dwarf) was isolated as a segregate in the selfed progeny of a spontaneously produced interchange heterozygote in line IP457. The mutant was characterized by dark-green, erect, narrow leaves, early maturity and a sterile spike tip. The number of nodes in the mutant was almost equal to that in the tall parent but the internode length was very reduced. Chlorophyll content per unit leaf area in the mutant was about 29% more than in the control. Cytogenetic analysis showed that the mutant was an interchange homozygote. The homozygosity for the interchanged chromosomes and the mutant phenotype were tightly linked and the chromosomes involved were identified as chromosomes 3 and 6. The phenotype was inherited as a monogenic recessive. There was normal viability of gametes carrying interchange chromosomes coupled with normal viability of zygotes of the three genotypic classes.
| Item Type: | Article |
|---|---|
| Author Affiliation: | Andhra University, Waltair, India |
| Subjects: | Crop Improvement |
| Divisions: | Millet |
| Depositing User: | Mr. SanatKumar Behera |
| Date Deposited: | 20 May 2012 07:26 |
| Last Modified: | 20 May 2012 07:27 |
| URI: | http://eprints.icrisat.ac.in/id/eprint/5521 |
Actions (login required)
 |
View Item |
