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Influence of pre- and post-harvest application of ethephon (2-chloroethyl phosphonic acid) on tomatoes


, : Influence of pre- and post-harvest application of ethephon (2-chloroethyl phosphonic acid) on tomatoes. Acta Horticulturae (53): 53-58

Ethephon at 1000 p.p.m. was applied to tomatoes (a) 10 days after fruit set, (b) at the mature green stage or (c) when 30% of the fruits were ripe. Treatment (a) caused defoliation and fruit fall, delayed ripening and decreased the yield. Treatment (b) produced smaller fruits than in the control or in (c) plants. Treatment (c) hastened ripening, increased the percentage of marketable fruit but did not affect the total yield.


Accession: 000407359

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Related references

Olympio V.M.; Norman J.C., 1977: Influence of pre harvest and post harvest application of ethephon 2 chloroethyl phosphonic acid on tomatoes. Acta Horticulturae (Wageningen) 53: 53-58

Olympio, V.; Norman, J., 1977: Influence of pre and post harvest application of ethephon (2 chloroethyl phosphonic acid) on tomatoes. Acta Horticulturae 53: 3-58

Leoni, S., 1972: Action of (2-chloroethyl)phosphonic acid (ethephon) on post-harvest ripening in tomatoes. Rivista della ortoflorofrutticoltura italiana: 56 (5 6) 816-820

Mir, N.A.; Bhat, A.R.; Sofi, A.A., 1989: Harvest management in walnuts by use of ethephon (2-chloroethyl phosphonic acid). Ethephon at 500, 1000, 1500 or 2000 p.p.m. was used as a pre-harvest spray on young, bearing walnut trees or as a dip for harvested walnuts to test its possible usefulness in inducing earlier hull dehiscence. At the highest rate, spraying with eth...

Ernst, G.E.; Anderegg, J.P., 1976: Rapid gas-liquid chromatographic method for determining residues of ethephon (2-chloroethyl phosphonic acid) in tomatoes. A rapid method is described for the determination of the growth regulator ethephon (2-chloroethyl phosphonic acid) in tomatoes. Samples are extracted with ethyl acetate. The extract is methylated, decolorized with carbon, and analyzed by gas-liqui...

Young R.; Jahn O., 1972: Degreening and abscission of citrus d fruit with pre harvest applications of 2 chloroethyl phosphonic acid ethephon. Journal of the American Society for Horticultural Science 97(2): 237-241

Sharma, R.K.; Singh, I.S., 1987: Effect of post-harvest application of 2-chloroethyl phosphonic acid on ripening and quality of Hayani and Khadrawi dates. Fruits of both cultivars, dipped for 5 minutes in ethephon solution at 0, 250, 500, 750 or 1000 p.p.m., were held in perforated polyethylene bags at room temperature and sampled after 5 days. The highest ethephon rate best enhanced ripening and fr...

Rath, S.; Pattnaik, A.K., 1989: Effect of post-harvest application of 2-chloroethyl phosphonic acid (Ethrel) on degreening of kagzilime in Phulbani district of Orissa. Fully green fruits of kagzilime (Citrus aurantiifolia) were randomly picked from 5 orchards on 15 Mar. 1986. Fruits were washed, dipped in Ethrel [ethephon] (500, 1000, 1500 and 2000 p.p.m.), dried in the shade, then stored in gunny bags lined wit...

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Coston D.C., 1971: Seed germination and seedling growth as affected by pre harvest applications of ethephon 2 chloroethyl phosphonic acid on red and golden delicious apples d. Hortscience 6(3 SEC 2): 275