The effect of size and quality of potato microtubers on quality of seed potatoes in the cultivar ‘Superior’

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Title
The effect of size and quality of potato microtubers on quality of seed potatoes in the cultivar ‘Superior’
Author(s)
Se Won Park; Jae Heung JeonHyun Soon Kim; Se Jin Hong; C Aswath; Hyouk Joung
Bibliographic Citation
Scientia Horticulturae, vol. 120, no. 1, pp. 127-129
Publication Year
2009
Abstract
Potato microtubers produced in vitro of the cultivar 'Superior' were assessed to decide up to what size it can be used for the seed potato with respect to storability, dormancy period, and sprouting vigor. The larger microtubers lost moisture content more slowly and retained firmness longer when stored at 4 °C. In the sprouting test, the larger ones had less period of dormancy and showed more vigorous sprouting ability. The starch increased with increasing size of the microtuber and showed the distribution of about 70-80% of dry matter content. The amounts of sugars were positively co-related with the size of the potato. The internal factors such as dry matter and carbohydrate content reveal that potato microtuber follows the field-grown potatoes in all aspects. The results suggest that the size of microtubers can be used as an index for grading their quality as seed potatoes, and the size of the microtuber should be at least 0.5 g to be used as seed potato.
Keyword
dormancyfirmnessseed potatosolanum tuberosumsprouting vigorstorability
ISSN
0304-4238
Publisher
Elsevier
DOI
http://dx.doi.org/10.1016/j.scienta.2008.09.004
Type
Article
Appears in Collections:
Division of Biomaterials Research > Plant Systems Engineering Research > 1. Journal Articles
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