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Effect of seed sett size on sprouting, shoot growth, and tuber yield of white guinea yam (Dioscorea rotundata)

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Title Effect of seed sett size on sprouting, shoot growth, and tuber yield of white guinea yam (Dioscorea rotundata)
 
Creator Iseki, K.
Matsumoto, R.
 
Subject yams
dioscorea rotundata
seed set
sprouting
shoot
growth
tubers
yields
sets
 
Description Open Access Journal
Approximately 30% of harvested yams are used in subsequent plantings as seed tubers, which reduces the harvest size; however, planting tuber pieces (setts) potentially represents a viable alternative. To determine how sett size affects yam production, different sett sizes were compared for sprouting, shoot growth, and tuber yield. Larger setts exhibited faster sprouting with greater shoot biomass due to larger shoot growth rates during the early growth period. Tuber yield from 200 g setts was higher than that from 50 g setts; however, this yield advantage was not enough to compensate for the cost of larger sett size. Thus, planting 50 g setts might be the most cost-effective. Even the 50 g setts yielded higher than 1 kg tuber per plant which were available for selling in markets. Thus, planting with smaller setts can be promising method for efficiently improving yam production.
 
Date 2020-01-02
2019-11-22T13:28:04Z
2019-11-22T13:28:04Z
 
Type Journal Article
 
Identifier Iseki, K. & Matsumoto, R. (2019). Effect of seed sett size on sprouting, shoot growth, and tuber yield of white guinea yam (Dioscorea rotundata). Plant Production Science, 1-6.
1343-943X
https://hdl.handle.net/10568/105869
https://doi.org/10.1080/1343943X.2019.1667835
 
Language en
 
Rights CC-BY-4.0
Open Access
 
Format p. 75-80
application/pdf
 
Publisher Informa UK Limited
 
Source Plant Production Science