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Seed yam production using high-quality minitubers derived from plants established with vine cuttings

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Title Seed yam production using high-quality minitubers derived from plants established with vine cuttings
 
Creator Aighewi, B.
Maroya, N.
Kumar, P. Lava
Balogun, M.
Aihebhoria, D.
Mignouna, D.
Asiedu, R.
 
Subject yams
dioscorea rotundata
tubers
seedlings
production
nigeria
 
Description Open Access Journal; Published online: 14 May 2021
Yam (Dioscorea spp.) is a valuable food security crop in West Africa, where 92% of the world production occurs. The availability of quality seed tubers for increased productivity is a major challenge. In this study, minitubers weighing 1, 3, and 5 g produced from virus-free single-node vine cuttings of two improved yam varieties (Asiedu and Kpamyo) growing in an aeroponics system were assessed for suitability in seed production at a population of 100,000 plants ha−1. A 3 × 2 factorial experiment with randomized complete block design and three replications was set up during the cropping seasons of 2017 to 2019 at the International Institute of Tropical Agriculture Research Station in Kubwa, Abuja, Nigeria. Results showed field establishments of 87%–97.8%. Yields differed with minituber size, variety, and cropping season; the highest was 31.2 t ha−1 in 2019 and the lowest, 10 t ha−1 in 2018 from 5 and 1 g Kpamyo minitubers, respectively. The estimated number of tubers produced per hectare by 1, 3, and 5 g minitubers was 101,296, 112,592, and 130,555, with mean weights per stand of 159.2, 187.3, and 249.4 g, respectively. We recommend using less than 6 g minitubers for seed yam production due to their high multiplication rates.
 
Date 2021
2021-06-22T15:11:28Z
2021-06-22T15:11:28Z
 
Type Journal Article
 
Identifier Aighewi, B., Maroya, N., Kumar, P.L., Balogun, M., Aihebhoria, D., Mignouna, D. & Asiedu, R. (2021). Seed yam production using high-quality minitubers derived from plants established with vine cuttings. Agronomy, 11(5), 978: 1-12.
2073-4395
https://hdl.handle.net/10568/114076
https://doi.org/10.3390/agronomy11050978
BIOTECH & PLANT BREEDING
PLANT PRODUCTION & HEALTH
SOCIAL SCIENCE & AGRICUSINESS
 
Language en
 
Rights CC-BY-4.0
Open Access
 
Format 1-12
application/pdf
 
Source Agronomy