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Abstract
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Article Information:
Genetics of Locule in Sesamum indicum L.
M. Padmasundari, T. Kamala and Y.V. Rao
Corresponding Author: M. Padmasundari
Submitted: 2010 July, 31
Accepted: 2010 September, 01
Published: 2010 october, 09 |
Abstract:
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Sesame (Sesamum indicum L.) Varieties Vm, X-79-1, Ec359007, EC351887, EZ351881 their 10F1s,
10F2s were evaluated for genetics of locule .Since the multiloculed nature is of economic advantage in boosting
the productivity an attem pt is made to follow up the genetics of the locules from the segregation noted in ten
crosses, to isolate lines pure for 6, 8, 10L. The 10 crosses of the present study therefore involved the
combinations 4×8, 8×8 and 4×8 locules. Progenies of these crosses were evaluated for assessing the genetic
nature of the locule character in Sesamum. Plants with 4, 6, 8 and 10L screened from progenies were selfed and
seed collected individually was soon sown in separate lines to follow up the segregation. F1 from all types of
segregation was 4L. The F2 segregation fitted to the 3:1 ratio of 4L versus multiloculed plants with a non
significant c2 suggesting monogenic dominant nature of 4L over the multiloculed nature,with the penetrance
and expressivity of the recessive multilocule allele effected by modifying factors.
Key words: χ2, expressivity, monogenic control, penetrance, Sesamum indicum L., ,
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Cite this Reference:
M. Padmasundari, T. Kamala and Y.V. Rao, . Genetics of Locule in Sesamum indicum L.. Asian Journal of Agricultural Sciences, (4): Page No: 164-167.
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ISSN (Online): 2041-3890
ISSN (Print): 2041-3882 |
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