Document Detail

Rates of ethylene release, photosynthesis and transpiration of rice measured in closed-type chamber.
MedLine Citation:
PMID:  11541585     Owner:  NASA     Status:  MEDLINE    
To obtain the basic data of gas exchange of rice (Oryza sativa L. cv. Nipponbare), rates of ethylene release, photosynthesis and transpiration of the rice plant were measured by using a closed-type chamber. Each rate increased until the heading stage and thereafter decreased. Ethylene release rate (E) gradually increased with day after seeding and rates of photosynthesis (P) and transpiration (T) did exponentially. At the heading stage, E, P and T were maximum and had values of about 2.0 mmol plant-1 h-1, 3.0 mmol plant-1 h-1 and 0.60 mol plant-1 h-1, respectively. E in the light period was 1.5-3 times as much as that in the dark period, whereas T in the light period was 5-6 times as much as that in the dark period. E of rice per plant was lower than those of lettuce and Brassica genera which were reported previously. Especially, the rate of rice was about one-tenth that of lettuce. However, when ethylene release rates were estimated on a growth area basis, the rate of rice was about half that of lettuce, and was more than those of Brassica genera.
T Saito; A Tani; M Kiyota; M Ohe; H Sato
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Publication Detail:
Type:  Comparative Study; Journal Article    
Journal Detail:
Title:  Acta horticulturae     Volume:  440     ISSN:  0567-7572     ISO Abbreviation:  Acta Hortic.     Publication Date:  1996 Dec 
Date Detail:
Created Date:  1999-04-18     Completed Date:  1999-04-18     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  100955313     Medline TA:  Acta Hortic     Country:  NETHERLANDS    
Other Details:
Languages:  eng     Pagination:  55-9     Citation Subset:  S    
College of Agriculture, Osaka Perfecture University, Sakai, Japan.
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MeSH Terms
Ecological Systems, Closed*
Environment, Controlled
Ethylenes / metabolism*,  radiation effects
Life Support Systems*
Oryza sativa / genetics,  growth & development,  metabolism*
Plant Growth Regulators / metabolism*,  radiation effects
Plant Transpiration*
Time Factors
Reg. No./Substance:
0/Ethylenes; 0/Plant Growth Regulators; 74-85-1/ethylene

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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