National Academy of Agricultural Sciences (NAAS)
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PRINT ISSN : 2319-7692
Online ISSN : 2319-7706 Issues : 12 per year Publisher : Excellent Publishers Email : editorijcmas@gmail.com / submit@ijcmas.com Editor-in-chief: Dr.M.Prakash Index Copernicus ICV 2018: 95.39 NAAS RATING 2020: 5.38 |
An investigation was carried out to assess the general combining ability effect (gca), specific combining ability effect (sca) of the hybrids for earliness and high oil content by crossing six CMS lines with sixteen testers viz.,10 R × R S3 high oil content restorer lines and 6 R × R S4 early restorer lines following line × tester mating design. The resulting 96 hybrids along with four checks (KBSH-44, KBSH-53, KBSH-78 and RSFH-1887) were evaluated in a simple lattice design, simultaneously parents were also evaluated in RCBD design at Main Agricultural Research Station, Hebbal, Bangalore during summer 2020-21. Among the sixteen testers, high oil content tester viz., 44-2-1[H] and early maturing tester viz., 2-3-1-2[E] (75 days) were identified as good general combiners for earliness, seed yield plant-1 and oil content. Out of six CMS lines, CMS 903 B was found to be good general combiners for earliness whereas, NDCMS 2B is for seed yield plant-1 with oil content. Among the 96 hybrids CMS 1103A × 25-2-4-2 [E] (79 days), CMS 1103A × 21-9-5-2 [E] (80 days) and CMS 903A × 5-2-1 [H] (79.50 days) were identified as desirable specific combiner for earliness. Whereas, CMS 911A × 8-5-5-1 [E], CMS 911A × 21-9-5-2 [E] and NDCMS 4A × 31-1-1[H]were recorded high sca effect for seed yield. Whereas, NDCMS 2A × 30-10-1[H] (41.63%), CMS 911A × 25-2-4-2 [E] (41.11%) and NDCMS 4A × 11-4-1[H] (39.73%) showed high sca effect for oil content.
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