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Heritability of Resistance to Cowpea Aphid (Aphis craccivora Koch) in Yard Long Bean and Cowpea. |
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| รหัสดีโอไอ | |
| Creator | Sorapong Benchasri |
| Title | Heritability of Resistance to Cowpea Aphid (Aphis craccivora Koch) in Yard Long Bean and Cowpea. |
| Contributor | Charassri Nualsri |
| Publisher | Department of Agriculture |
| Publication Year | 2552 |
| Journal Title | Thai Agricultural Research Journal |
| Journal Vol. | 27 |
| Journal No. | 3 |
| Page no. | 275-286 |
| Keyword | yard long bean, cowpea, aphid (Aphis craccivora), heritability, insect resistance |
| URL Website | https://at.doa.go.th/journal |
| Website title | Thai Agricultural Research Journal |
| ISSN | 0125-8389 |
| Abstract | An experiment was conducted to investigate mean population of aphids, damaged scores, heritability and generation mean analysis of aphid resistance in yard long bean and cowpea. Six generations including P1 , P2 , F1, F2 BC1and BC2 from 4 crosses were evaluated in RCB under a screenhouse condition at the Faculty of Natural Resources, Prince of Songkla University, Hat Yai, Songkla province during February and Max 2007. Five adult aphids (Aphis craccivora) were released on each plant at the 3rd week after germination. Genetic analysis using generation means revealed significant difference among generation. Significant additive and dominant gene effects on aphid damages were observed only in one cross (Selected-PSU x IT82E-16). The epistasis interaction of additive x additive also responsed for the interaction of this trait. The highest heritability of damaged score (55.941%) was found in Selected PSU x IT82E 16 cross. |
