Control of Grain Yield by Sink Capacity and Assimilate Supply in Various Rice (Oryza sativa) cultivars

Fukai S., Li L., Vizmonte P.T. and Fischer K.S. (1991) Control of Grain Yield by Sink Capacity and Assimilate Supply in Various Rice (Oryza sativa) cultivars. Experimental Agriculture, 27 2: 127-135. doi:10.1017/S0014479700018780


Author Fukai S.
Li L.
Vizmonte P.T.
Fischer K.S.
Title Control of Grain Yield by Sink Capacity and Assimilate Supply in Various Rice (Oryza sativa) cultivars
Journal name Experimental Agriculture   Check publisher's open access policy
ISSN 1469-4441
Publication date 1991-01-01
Sub-type Article (original research)
DOI 10.1017/S0014479700018780
Volume 27
Issue 2
Start page 127
End page 135
Total pages 9
Subject 1102 Cardiovascular Medicine and Haematology
Abstract The objective of this study was to identify whether grain yield in four contrasting rice cultivars is limited by supply of assimilate to fill the grains or by sink capacity to accept the assimilate. Grain yield was limited mostly by sink capacity, with little variation in single grain weight among cultivars, but an old cultivar showed some ability to adjust single grain weight. Sink capacity was very sensitive to variation in assimilate supply immediately after anthesis. Reduction in assimilate supply in the anthesis to early grain filling period reduced filled grain percentage and grain yield, particularly in high yielding cultivars with a large number of grains per panicle.
Q-Index Code C1
Institutional Status Unknown

Document type: Journal Article
Sub-type: Article (original research)
Collection: Scopus Import - Archived
 
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Created: Tue, 06 Sep 2016, 11:32:30 EST by System User