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Regulated ripening of Coffea arabica L. in Kenya: studies on the use of 2-chloroethyl phosphonic acid


, : Regulated ripening of Coffea arabica L. in Kenya: studies on the use of 2-chloroethyl phosphonic acid. Acta Horticulturae (49): 125-135

Sprayed once at 1400 p.p.m. ethephon failed to concentrate the harvesting of trees bearing crop from multiple flowerings, although ripening was still brought forward. At a low altitude site (1522 m) where fruits develop quickly, ethephon at 1400 p.p.m., applied to 28-week-old fruits from a single large flowering, spread the harvesting period over 8 compared to 5 weeks required to harvest the unsprayed trees.


Accession: 000479590

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Related references

Opile W.R.; Browning G., 1975: Regulated ripening of coffea arabica in kenya studies on the use of 2 chloroethyl phosphonic acid. Acta Horticulturae (Wageningen) 49: 125-135

Opile, W.; Browning, G., 1977: Regulated ripening of Coffea arabica L. in Kenya: studies on the use of 2 chloroethyl phosphonic acid. Kenya coffee: 42 (490) 17-26

Browning, G.; Cannell, M.G.R., 1970: Use of 2-chloroethane phosphonic acid to promote the abscission and ripening of fruit of Coffea arabica L. Five field experiments were earned out to investigate the abscission and fruit-ripening properties of 2-chloroethane phosphonic acid (CEPA) on mature Coffea arabica growing at Ruiru, Kenya. A single application of formulation ACP-68-250 at 1, 400...

Browning G.; Cannell M.G.R., 1970: Use of 2 chloro ethane phosphonic acid to promote the abscission and ripening of fruit of coffea arabica d. Journal of Horticultural Science 45(3): 223-232

Rao, V.N.M.; Shanmugavelu, K.G.; Srinivasan, C.; Iah, D.R.P., 1971: Studies on the effect of Ethrel (2-chloroethyl phosphonic acid) on the ripening of fruits. Mature persimmon, banana and sapodilla fruits were dipped in 5000 p.p.m. ethephon before storage at room temperature or kept in air-tight chambers in the presence of aqueous ethephon at concentrations of 500-5000 p.p.m. with added NaOH. Ripening o...

Carneiro, M.; Bettencourt, A.; Fernandes, D., 1979: Field evaluation studies of some selections of Coffea arabica L. and tetraploid interspecific hybrids of Coffea arabica X Coffea spp., bearing different factors for rust resistance, under the conditions of the Estacao Regional do Uige (Angola). Huitieme colloque scientifique international sur le cafe Abidjan 28 novembre 3 decembre 1977: 527

Gongora Gongora, R., 1987: The use of 2-chloroethyl phosphonic acid in tomato fruit ripening. The chemical structure and toxicity (to the environment) of 2-chloroethyl phosphonic acid (ethephon) are described and its use for promoting ripening in tomato fruits is reviewed. Its effect on fruit physiology and fruit quality, the factors affec...

Kasmire R.F.; Rappaport L.; May D., 1970: Effects of 2 chloroethyl phosphonic acid on ripening of cantaloupes d. Journal of the American Society for Horticultural Science 95(2): 134-137

Hale, C.R.; Coombe, B.G.; Hawker, J.S., 1970: Effects of ethylene and 2 chloroethyl phosphonic acid on the ripening of grapes d. Plant Physiology (Rockville) 45(5): 620-623

Srinivasan, C., 1971: Effect of ethrel (2-chloroethyl phosphonic acid) on ripening of bananas