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Effect of tuber size, storage temperature and storage duration on sprout growth in seed potatoes (Solanum tuberosum)

Indian Agricultural Research Journals

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Title Effect of tuber size, storage temperature and storage duration on sprout growth in seed potatoes (Solanum tuberosum)
 
Creator EZEKIEL, R
SINGH, BRAJESH
 
Subject tuber weight, sprout length, sprout weight, percentage weight loss, accumulated day-degrees
 
Description The influence of tuber weight and storage temperature on sprout growth of seed potatoes was studied during 1995-96in 2 Indian varieties, 'Kufri Bahar' and 'Kufri Lalima' and a Duteh variety 'Desiree' at Modipuram. The number ofsprouts/tuber showed a positive exponential relationship with the tuber weight while the length of the longest sproutshowed a negative exponential relationship with it. The relationship between Sprout weight and tuber weight was logarithmic. Low temperature (4°C) treatment for 5 or more months increused the sprout number/tubel and the practical significance of this effect for the north Indian plains is discussed. The number of sprouts developed on desprouting was more when the tubers were stored at 12°C prior to desprouting compared to 20oC. Irrespective of the variety. the length of the longest sprout showed a rectangular hyperbolic relationship with storage period and a linear relationship with accumulated daydegrees above 4°C when stored at 12°C. But at 20oC, this relationship varied with the variety. The weight loss due to respiration and evaporation was more at 20°C than at 12°C and the weight loss/unit Sproul weight was higher in 'Kufri Lalima'.
 
Publisher The Indian Journal of Agricultural Sciences
 
Contributor —
 
Date 2013-03-14
 
Type info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
Peer-reviewed Article
 
Format application/pdf
 
Identifier http://epubs.icar.org.in/ejournal/index.php/IJAgS/article/view/28249
 
Source The Indian Journal of Agricultural Sciences; Vol 70, No 5 (2000)
0019-5022
 
Language eng
 
Relation http://epubs.icar.org.in/ejournal/index.php/IJAgS/article/view/28249/12839
 
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