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Variation in tuber dry matter content and starch pasting properties of white Guinea yam (Dioscorea rotundata) genotypes grown in three groecologies of Nigeria

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Title Variation in tuber dry matter content and starch pasting properties of white Guinea yam (Dioscorea rotundata) genotypes grown in three groecologies of Nigeria
 
Creator Matsumoto, R.
Asfaw, A.
De Koeyer, D.
Muranaka, S.
Yoshihashi, T.
Ishikawa, H.
Adebola, P.O.
Asiedu, R.
 
Subject yams
starch
dry matter content
tubers
genotypes
stability
 
Description Open Access Journal; Published online: 28 Sep 2021
The primary objective of this study was to assess the effects of genotype (G), location (L), and G × L interaction on tuber quality traits (dry matter content and starch pasting parameters) in white Guinea yam (Dioscorea rotundata Poir.). Variability in tuber dry matter and starch pasting properties was examined using 18 advanced breeding lines and two dominant landrace cultivars of white Guinea yam grown in three different agroecological zones (forest‒savanna transition, southern Guinea savanna, and rainforest) in Nigeria. The starch pasting properties were evaluated using a Rapid Visco Analyser. Our results show that the G × L interaction effect was low compared to the genotype and growing location effects on the variability of key starch properties. In addition, the repeatability of trait performance across locations was high and relatively uniform for key traits, suggesting that any of the three locations used in this study can be employed for their evaluation. Furthermore, TDr1100873 had a higher dry matter content than the dominant landrace cultivars (Amula and Meccakusa) but was similar to them in starch pasting properties. Hence, TDr1100873 is considered a suitable variety for future breeding activities.
 
Date 2021-09-28
2022-01-31T10:55:15Z
2022-01-31T10:55:15Z
 
Type Journal Article
 
Identifier Matsumoto, R., Asfaw, A., De Koeyer, D., Muranaka, S., Yoshihashi, T., Ishikawa, H., ... & Asiedu, R. (2021). Variation in tuber dry matter content and starch pasting properties of white Guinea yam (Dioscorea rotundata) genotypes grown in three groecologies of Nigeria. Agronomy, 11(10):1944, 1-15.
2073-4395
https://hdl.handle.net/10568/117842
https://doi.org/10.3390/agronomy11101944
BIOTECH & PLANT BREEDING
PLANT PRODUCTION & HEALTH
 
Language en
 
Rights CC-BY-4.0
Open Access
 
Format 1-15
application/pdf
 
Source Agronomy