Effects of Variety and Sett Weights on Sprout Emergence and Seed Tuber Yield in <i>Dioscorea alata</i> L. and <i>Dioscorea rotundata</i> Poir.
Yam is a staple crop in Africa that is constrained by its low multiplication rate. This results in a short supply of seed tubers, which is a challenge to increased production. This study assessed the influence of different minisett weights (10, 20, 30, 40, and 50 g) on tuber production and seed cate...
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2025-06-01
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| author | Olugboyega Success Pelemo Ossai Chukwunalu Okolie Amudalat Bolanle Olaniyan Paterne Agre Morufat Balogun Norbert Maroya Malachy Akoroda Robert Asiedu |
| author_facet | Olugboyega Success Pelemo Ossai Chukwunalu Okolie Amudalat Bolanle Olaniyan Paterne Agre Morufat Balogun Norbert Maroya Malachy Akoroda Robert Asiedu |
| author_sort | Olugboyega Success Pelemo |
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| description | Yam is a staple crop in Africa that is constrained by its low multiplication rate. This results in a short supply of seed tubers, which is a challenge to increased production. This study assessed the influence of different minisett weights (10, 20, 30, 40, and 50 g) on tuber production and seed categorization in twelve <i>Dioscorea rotundata</i> and four <i>Dioscorea alata</i> varieties over two planting seasons in a Randomized Complete Block Design (r = 3). The yield parameters were collected and analyzed using ANOVA. The effects of varieties, the minisett weight (SW), and the variety × SW interaction were significant for the proportion of setts that produced seed tubers and ranged from 40.2 ± 5.0% (50 g) to 56.4 ± 5.0% (10 g) in 2013, from 46.4 ± 0.8% (40 g) to 60.5 ± 0.8% (30 g) in 2014, from 23% (TDa00/00194, 30 g) to 93.7% (Ojuyawo, 10 g) in 2013, and from 39.7% (TDa00/00194, 30 g) to 100% (TDr89/02665, 20 g) in 2014. The 10 g and 30 g produced more seed yam in 2013 and 2014, respectively, while 50 g produced more ware yam sizes (>300 g) and is thus recommended to farmers for intended yam production category. <i>D. rotundata</i> varieties produced a higher proportion of seed yam, while <i>D. alata</i> varieties produced are a higher proportion of yams above seed class. |
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| language | English |
| publishDate | 2025-06-01 |
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| series | Crops |
| spelling | doaj-art-d4eccd15cfe74ed28001c9515da3fe932025-08-20T02:24:29ZengMDPI AGCrops2673-76552025-06-01533810.3390/crops5030038Effects of Variety and Sett Weights on Sprout Emergence and Seed Tuber Yield in <i>Dioscorea alata</i> L. and <i>Dioscorea rotundata</i> Poir.Olugboyega Success Pelemo0Ossai Chukwunalu Okolie1Amudalat Bolanle Olaniyan2Paterne Agre3Morufat Balogun4Norbert Maroya5Malachy Akoroda6Robert Asiedu7International Institute of Tropical Agriculture, PMB 5320, Idi-ose, Ibadan, NigeriaInternational Institute of Tropical Agriculture, PMB 5320, Idi-ose, Ibadan, NigeriaDepartment of Crop and Horticultural Sciences, University of Ibadan, 200005 Ibadan, NigeriaInternational Institute of Tropical Agriculture, PMB 5320, Idi-ose, Ibadan, NigeriaInternational Institute of Tropical Agriculture, PMB 5320, Idi-ose, Ibadan, NigeriaInternational Institute of Tropical Agriculture, PMB 5320, Idi-ose, Ibadan, NigeriaDepartment of Crop and Horticultural Sciences, University of Ibadan, 200005 Ibadan, NigeriaInternational Institute of Tropical Agriculture, PMB 5320, Idi-ose, Ibadan, NigeriaYam is a staple crop in Africa that is constrained by its low multiplication rate. This results in a short supply of seed tubers, which is a challenge to increased production. This study assessed the influence of different minisett weights (10, 20, 30, 40, and 50 g) on tuber production and seed categorization in twelve <i>Dioscorea rotundata</i> and four <i>Dioscorea alata</i> varieties over two planting seasons in a Randomized Complete Block Design (r = 3). The yield parameters were collected and analyzed using ANOVA. The effects of varieties, the minisett weight (SW), and the variety × SW interaction were significant for the proportion of setts that produced seed tubers and ranged from 40.2 ± 5.0% (50 g) to 56.4 ± 5.0% (10 g) in 2013, from 46.4 ± 0.8% (40 g) to 60.5 ± 0.8% (30 g) in 2014, from 23% (TDa00/00194, 30 g) to 93.7% (Ojuyawo, 10 g) in 2013, and from 39.7% (TDa00/00194, 30 g) to 100% (TDr89/02665, 20 g) in 2014. The 10 g and 30 g produced more seed yam in 2013 and 2014, respectively, while 50 g produced more ware yam sizes (>300 g) and is thus recommended to farmers for intended yam production category. <i>D. rotundata</i> varieties produced a higher proportion of seed yam, while <i>D. alata</i> varieties produced are a higher proportion of yams above seed class.https://www.mdpi.com/2673-7655/5/3/38seed yam tuberminisett techniqueimproved varietieslandracesminisett weights |
| spellingShingle | Olugboyega Success Pelemo Ossai Chukwunalu Okolie Amudalat Bolanle Olaniyan Paterne Agre Morufat Balogun Norbert Maroya Malachy Akoroda Robert Asiedu Effects of Variety and Sett Weights on Sprout Emergence and Seed Tuber Yield in <i>Dioscorea alata</i> L. and <i>Dioscorea rotundata</i> Poir. Crops seed yam tuber minisett technique improved varieties landraces minisett weights |
| title | Effects of Variety and Sett Weights on Sprout Emergence and Seed Tuber Yield in <i>Dioscorea alata</i> L. and <i>Dioscorea rotundata</i> Poir. |
| title_full | Effects of Variety and Sett Weights on Sprout Emergence and Seed Tuber Yield in <i>Dioscorea alata</i> L. and <i>Dioscorea rotundata</i> Poir. |
| title_fullStr | Effects of Variety and Sett Weights on Sprout Emergence and Seed Tuber Yield in <i>Dioscorea alata</i> L. and <i>Dioscorea rotundata</i> Poir. |
| title_full_unstemmed | Effects of Variety and Sett Weights on Sprout Emergence and Seed Tuber Yield in <i>Dioscorea alata</i> L. and <i>Dioscorea rotundata</i> Poir. |
| title_short | Effects of Variety and Sett Weights on Sprout Emergence and Seed Tuber Yield in <i>Dioscorea alata</i> L. and <i>Dioscorea rotundata</i> Poir. |
| title_sort | effects of variety and sett weights on sprout emergence and seed tuber yield in i dioscorea alata i l and i dioscorea rotundata i poir |
| topic | seed yam tuber minisett technique improved varieties landraces minisett weights |
| url | https://www.mdpi.com/2673-7655/5/3/38 |
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