Open AccessSUPPRESSION OF PECAN NET PHOTOSYNTHESIS BY CROP OILS
Author(s) -
B. W. Wood,
J. A. Payne
Publication year - 1986
Publication title -
journal of entomological science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.248
H-Index - 30
ISSN - 0749-8004
DOI - 10.18474/0749-8004-21.3.201
Subject(s) - photosynthesis , biology , agronomy , crop , greenhouse , sunflower , botany , horticulture
A single foliar spray treatment to both fields and greenhouse adapted pecan, Carya illinoensis (Wang.) K. Koch, leaves with either 70 sec petroleum oil or peanut, corn, soybean, or sunflower oils (all oils formulated as a stock with 3% Triton-X) suppressed net photosynthesis (Pn) for 1 to 21 days posttreatment. Crop oils were no more detrimental than petroleum oil in causing Pn suppression. Pn physiology of field acclimated foliage was much more resistant to oil induced damage than greenhouse adapted foliage. Triton-X alone did not adversely influence Pn of pecan.
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