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Preharvest Sprays with 2-Chloroethylphosphonic Acid to Degreen ‘Robinson’ and ‘Lee’ Tangerine Fruits
Abstract
2-Chloroethylphosphonic acid (Ethrel) applied at 50 to 200 ppm as a preharvest spray, showed considerable promise in degreening ‘Robinson’ and ‘Lee’ tangerine fruit. The preharvest degreening resulted in less postharvest degreening time required for acceptable color and less fruit decay during storage. Ethrel concn between 100 and 200 ppm caused abscission of some old leaves, but had no apparent effect on external appearance other than color.
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HortScience