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Differential Starch Accumulation in the Leaf Mesophyll Layers of Soybean 1
Author(s) -
Vendeland J. S.,
Bruck D. K.,
Sinclair T. R.
Publication year - 1982
Publication title -
crop science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.76
H-Index - 147
eISSN - 1435-0653
pISSN - 0011-183X
DOI - 10.2135/cropsci1982.0011183x002200060040x
Subject(s) - starch , palisade cell , spongy tissue , biology , shading , botany , cultivar , glycine , horticulture , food science , genetics , art , amino acid , visual arts
This study was undertaken to examine a common assumption that starch is uniformly distributed in soybean [ Glycine max ( L.) Merr.] leaves. Observations from leaf samples collected during 4 years, including at least 12 cultivars and a shading experiment, showed this assumption to be false. In fact, a consistent hierarchy was found in the distribution of starch. Starch was first deposited in the abaxial palisade layer, followed by the spongy mesophyll, and then each of the remaining palisade layers in sequence. Unloading occurred in the reverse order in a shading experiment. Seldom was starch observed in the paraveinal mesophyll layer.