Effect of Ethrel (2-chloroethyl phosphonic acid) on uneven ripening and berry characteristics of Gulabi and Banglore purple grapes
DOI:
https://doi.org/10.5073/vitis.1977.16.97-99Abstract
An investigation was carried out with Ethrel on 12-year-old grapevines of Gulabi and Banglore purple varieties. Ethrel was sprayed on the vines at 200 and 300 ppm concentrations in February i.e., four weeks before the normal harvest. It was found that the chemical effectively reduced the percentage of unripe berries to the extent of one fifth and also improved the quality of grapes, in both the varieties.
Der Einfluß von Ethrel (2-Chloräthylphosphonsäure) auf ungleiche Reife und Beerenmerkmale der Rebensorten Gulabi und Banglore purple
12jährige Reben der Sorten Gulabi und Banglore purple wurden im Februar, d. h. 4 Wochen vor der normalen Ernte mit 200 und 300 ppm Ethrel besprüht. Die Substanz reduzierte bei beiden Sorten den Anteil der unreifen Beeren bis auf 1/5 der Kontrollwerte und verbesserte auch die Traubenqualität.
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