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Seed yam production from whole tubers versus minisetts
| Content Provider | Consultative Group on International Agricultural Research (CGIAR) |
|---|---|
| Author | Aighewi, B. Maroya, N. Asiedu, R. Aihebhoria, D. Balogun, M. Mignouna, Djana B. |
| Spatial Coverage | Côte d'Ivoire;Ghana;Nigeria [CI;GH;NG] |
| Description | Yam (Dioscorea rotundata Poir.) is a major staple and cash crop for millions of households in West Africa, where about 93% of the world crop is produced. The tuber serves as food and seed. Depending on the size, seed tubers are often cut into setts, minisetts, or planted whole. An experiment was conducted to investigate the effects of using whole tubers versus minisetts to produce seed yams. Six treatments constituted combinations of whole tubers and minisetts, and three tuber-size classes, viz., 30–59 g, 60–89 g, and 90–120 g (averaged and referred to as 45 g, 75 g, and 105 g, respectively). The experiment was conducted as a randomized complete block design with three replications. Results showed that plants from whole tubers emerged from the soil faster and yielded 48% more than those from minisetts. The mean yield of 105 g minisetts (18.3 t/ha) was statistically similar to that of 45 g whole seed (17.9 t/ha). Using 45 g whole seed would save about 2 t/ha of the harvested crop for use as food instead of seed. So, planting small whole tubers is more profitable than minisetts and is recommended to yam growers. |
| Sponsorship | Bill & Melinda Gates Foundation |
| Related Links | https://cgspace.cgiar.org/items/5bb3d5ff-126e-4a37-8247-b67380c10f60 |
| File Format | |
| ISSN | 15427528 |
| DOI | 10.1080/15427528.2020.1779157 |
| Journal | Journal of Crop Improvement |
| Issue Number | 6 |
| Volume Number | 34 |
| Language | English |
| Publisher | Informa UK Limited |
| Publisher Date | 2020-11-01 |
| Access Restriction | Open |
| Rights License | CC-BY-NC-ND-4.0 |
| Subject Keyword | Roots, Tubers and Bananas Biotech & Plant Breeding Plant Production & Health Social Science & Agricusiness Yams Dioscorea Micropropagation Seed Set Production West Africa Tubers Agribusiness Agronomy Plant Breeding Plant Production Yam |
| Content Type | Text |
| Resource Type | Article |
| Subject | Agronomy and Crop Science Food Science Plant Science |
