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Yield, nutritional quality and stability of orangefleshed sweetpotato cultivars successively later harvesting periods in Mozambique

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Title Yield, nutritional quality and stability of orangefleshed sweetpotato cultivars successively later harvesting periods in Mozambique
 
Creator Alvaro, A.
Andrade, M.I.
Makunde, G.S.
Dango, F.
Idowu, O.
Gruneberg, W.J.
 
Subject SWEET POTATOES
NUTRITIONAL REQUIREMENTS
STORAGE
MATURITY
 
Description Long-term storage of sweetpotato roots is a great challenge for smallholder farmers in Mozambique. Piecemeal harvesting allows several months supply of roots for household consumption provided weevil infestation is avoided. The objectives of the present studies were to determine yield and changes in key macro- and micronutrients associated with early or late harvesting of orange-fleshed sweetpotato cultivars in Mozambique. Four trials representing harvesting periods of 3, 4, 5 or 6 months after planting were established at Gurue in 2015. The randomized complete block design with three replications was laid in each trial. Yield measurements were done in the field and samples were selected and scanned for dry matter, beta-carotene, iron, zinc and carbohydrate using Near Infrared Spectrometry. Collected data were statistically analysed (SAS 1997 software). Yield, dry matter, starch, iron and beta-carotene increased linearly in some cultivars as time to harvest was prolonged. Iron was not affected by harvesting period. Stability of micronutrients such as iron, zinc and beta-carotene is essential when piecemeal harvesting. The study allowed accurate grouping of the cultivars tested into maturity groups for the first time.
Bill & Melinda Gates Foundation
Alliance for a Green Revolution in Africa
Rockefeller Foundation
United States Agency for International Development
Peer Review
 
Date 2018-05-28T19:19:24Z
2018-05-28T19:19:24Z
2017
 
Type Journal Article
 
Identifier Alvaro, A.; Andrade, M.I.; Makunde, G.S.; Dango, F.; Idowu, O.; Gruneberg, W. 2017. Yield, nutritional quality and stability of orangefleshed sweetpotato cultivars successively later harvesting periods in Mozambique. Open Agriculture. (Poland). ISSN 2391-9531. 2(1):464-468.
2391-9531
https://hdl.handle.net/10568/92939
 
Language en
 
Format 464-468
 
Source Open Agriculture