Net Photosynthesis and Respiration of Apple Leaves Influenced by (2-Chloroethyl)phosphonic Acid1
Open Access
- 1 November 1971
- journal article
- Published by American Society for Horticultural Science in Journal of the American Society for Horticultural Science
- Vol. 96 (6) , 789-790
- https://doi.org/10.21273/jashs.96.6.789
Abstract
Concentrations up to 4000 ppm of (2-chloroethyl)phosphonic acid (ethephon) did not affect the net photosynthesis (Pn) of leaves on greenhouse grown apple trees. Leaf respiration was increased by 4000 ppm ethephon, but not by lower concn. Pn rates did not differ between cvs., but respiration of ‘Golden Delicious’ leaves was greater than that of ‘York’ leaves.Keywords
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