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http://krishi.icar.gov.in/jspui/handle/123456789/68643| Title: | Unveiling combining ability and heterotic grouping of newly developed winter maize (Zea mays) inbreds |
| Other Titles: | Not Available |
| Authors: | S B SINGH P KUMAR R K KASANA M CHOUDHARY S KUMAR R KUMAR C G KARJAGI B KUMAR S RAKSHIT |
| ICAR Data Use Licennce: | http://krishi.icar.gov.in/PDF/ICAR_Data_Use_Licence.pdf |
| Author's Affiliated institute: | ICAR::Indian Institute of Maize Research |
| Published/ Complete Date: | 2021-11-20 |
| Project Code: | AR : DMR: 14:04 |
| Keywords: | Combining ability, Heterotic grouping, Line × tester |
| Publisher: | ICAR |
| Citation: | Singh, S. B., Kumar, P., Kasana, R., K., Choudhary, M., Kumar, S., Kumar, R., Karjagi, C. G., Kumar, B., and Rakshit, S. 2021. Unveiling Combining Ability and Heterotic Grouping of Newly Developed Winter Maize (Zea mays L.) Inbred Lines. Indian Journal of Agricultural Sciences. 91 (11): 1586–91. |
| Series/Report no.: | Not Available; |
| Abstract/Description: | Pooled analysis of the test-crosses evaluation of 61 newly developed maize (Zea mays L.) inbred lines using two inbred testers namely BML-6 and BML-7 during rabi 2016–17 and 2017–18 at ICAR-IIMR Regional Centre, Begusarai revealed significant variation among genotypes, general combining ability (GCA) and specific combining ability (SCA) effects for all the traits. Out of 61 inbred lines, 29 exhibited significant positive GCA effect for grain yield with maximum GCA effect value of 25.64. Inbred lines, viz. IMLSB-1299-5, IMLSB-406-2, IMLSB-334B-2, IMLSB-814-2 and IMLSB-285-1 were identified as the best general combiners on the basis of GCA effects which can be utilized to a greater extent in hybrid breeding programme. Out of 29 inbred lines with significant positive GCA effects, 12 and 17 lines also showed significant positive SCA effects with tester, BML-7 and BML-6 respectively, thus were classified into two heterotic groups ‘A’ and ‘B’, respectively. Out of 122 test-crosses, 14 exhibited significant and positive heterosis for yield over three national checks. The information generated on the heterotic grouping will help in further streamlining the available germplasm into heterotic pools and thereby augmenting the national hybrid breeding programme. |
| Description: | Not Available |
| ISSN: | Not Available |
| Type(s) of content: | Research Paper |
| Sponsors: | Not Available |
| Language: | English |
| Name of Journal: | Indian Journal of Agricultural Sciences |
| Journal Type: | Research Journal |
| NAAS Rating: | 6.21 |
| Volume No.: | 91(11) |
| Page Number: | 1586–91 |
| Name of the Division/Regional Station: | Regional Maize Research and Seed Production Centre (ICAR-IIMR), Begusarai |
| Source, DOI or any other URL: | Not Available |
| URI: | http://krishi.icar.gov.in/jspui/handle/123456789/68643 |
| Appears in Collections: | CS-IIMR-Publication |
Files in This Item:
| File | Description | Size | Format | |
|---|---|---|---|---|
| RP-60-ijas_paper_2021.pdf | 313.95 kB | Adobe PDF | View/Open |
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