Results 231 to 240 of about 4,105 (258)

Chemistry of leaf waxes in relation to wetting

Journal of the Science of Food and Agriculture, 1969
AbstractThe hydrophobic property of waxes depends upon their chemical constitution and almost certainly upon the orientation of molecules of their constituents. Contact angles of the most important classes of constituent range from 94° to 109°. No class of constituent is very water‐repellent; alkenes are the most hydrophobic but esters, ketones and ...
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Inheritance of Leaf Epicuticular Wax Content in Rice

Crop Science, 1992
Leaf epicuticular wax (EW) is a trait related to drought resistance. Epicuticular wax content is low in rice (Oryza sativa L.) relative to other crops, but great differences among rice cultivars have been observed, as great as 100%. Traditional drought‐resistant upland rices have relatively higher EW content than modern irrigated lowland rices.
M. Mahiul Haque, David J. Mackill, Keith T. Ingram   +2 more
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Changes in the composition of coffee leaf wax with development

Phytochemistry, 1975
Abstract Coffee leaf wax contains alkanes, free primary alcohols and free acids, together with unidentified substances. The relative amounts of each fraction varied with age: alkanes from 22–35% alcohols from 28-25%, and free acids from 22-14%. The major homologues of the alkane fraction were C 29 and C 31 , of the alcohol fraction C 30 and C 32 ...
Hans Stocker, Hans Wanner
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Secondary alcohols from Fragaria leaf waxes

Phytochemistry, 1979
Abstract The secondary alcohols isolated from Fragaria leaf waxes and characterised by GC-MS have been shown to be a mixture of isomers of hentriacontanol with the hydroxy substituent on carbons 9, 10, 11 and 12, and of tritriacontanol with the OH group in the 10, 11, 12, 13 and 14 positions, respectively.
E.A. Baker, Grace M. Hunt
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Leaf Epicuticular Wax

2020
Humberto Gonzaález Rodríguez, Ratikanta Maiti, Ch. Aruna Kumari   +2 more
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Leaf wax ofPortulaca oleracea

Lipids, 1974
AbstractWax coating the leaves and stems ofPortulaca oleracea consists of hydrocarbons (21%), esters (53%), acids (2%), alcohols (4%), diol monoesters (2%), and unidentified material (15%). Lesser amounts of esterified and free β‐amyrin and lupeol, stigmast‐4‐en‐3‐one and free diols also are present.
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Components of Ginkgo biloba leaf wax

Phytochemistry, 1979
Héctor L. Casal, Patrick Moyna
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Hydrogen isotope fractionation in leaf waxes in the Alaskan Arctic tundra

Geochimica Et Cosmochimica Acta, 2017
Jim Russell, William Daniels, Jeffrey M Welker   +2 more
exaly  

Epicuticular Leaf Waxes in the Evolution of the Plant Kingdom

Journal of Plant Physiology, 1994
Paul-Gerhard Gulz
exaly  

Stomatal Characteristics, Leaf Waxes, and Transpiration Rates of Theobroma cacao and Hevea brasiliensis Seedlings

Annals of Botany, 1988
Kozlowski T T, T T Kozlowski
exaly