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The interaction of SADH, CEPA and 2,4,5-TP in improving the quality of early-harvested apples

, : The interaction of SADH, CEPA and 2,4,5-TP in improving the quality of early-harvested apples. Acta Horticulturae (34): 441-444

A mixture of ethephon and 2,4,5-TP applied at 2250 l/ha 10 days before picking greatly improved the appearance and eating quality of Worcester Pearmain apples, and advanced harvest by up to 3 weeks. Reducing the spray volume to 225 l/ha without changing the concentration produced equally good results, as also did sprays of 22.5 l/ha at 10X the concentration.

Accession: 000236205

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Related references

Child R.D., 1973: The interaction of succinic acid 2 2 di methyl hydrazide 2 chloroethyl phosphonic acid and alpha 2 4 5 tri chlorophenoxy propionic acid in improving the quality of early harvested apples. Acta Horticulturae (Wageningen) 1(34): 441-444

Luckwill, L.C.; Child, R.D., 1973: Growth regulator sprays for improving the quality of early harvested apples. A mixture of CEPA [ethephon] 750 p.p.m. and 2,4,5-TP 15 p.p.m. applied 10 days before picking greatly improved the appearance and eating quality of early harvested Worcester Pearmain and Cox's Orange Pippin apples, without leading to excessiv...

Fraysse, J.L.; Cassagnes, P.; Sergent, D., 1978: Improving colour in red apples with Alar 85 (SADH) and PRM-Fruit (ethephon + 2,4,5-TP). Trees of the apple cvs Richared Delicious, Starking and Red Delicious were sprayed with both Alar 85 [daminozide] and the preparation PRM-Fruit (PRM 12 (= ethephon) + 2,4,5-TP [fenoprop]) at various concentrations. The best results were obtained b...

Basak, A.; Soczek, Z.; Cegowski, M.; Niezboraa, B.; Chroscicki, K.; Bakun, M., 1984: Application of ethephon with NAA and SADH for advancing harvesting and improving the colouring of McIntosh apples. Effects of the following treatments were studied: (1) 480 mg/litre ethephon + 40 mg/litre NAA applied 14 days before estimated harvest date; (2) as (1) preceded by 1000 mg/litre SADH [daminozide] 60 days before harvest; (3) ethephon + NAA 7 days b...

Gorini, F.L.; Sozzi, A.; Spada, G., 1982: The effects of the growth regulators SADH and CEPA on the quality of fresh and dried Stanley plums. Treatments were: 595 or 1700 p.p.m. SADH [daminozide] applied at the start of colouring; and the same rates of SADH applied with or without 288 p.p.m. CEPA [ethephon] half way through colouring. SADH reduced the amount of cracking and increased TS...

Pollard, Je, 1974: Effects of SADH on color and storage quality of McIntosh apples. Journal of the American Society for Horticultural Science: 99 (4) 341-343

Tandon, D.K.; Kalra, S.K., 1997: Improving ripening quality of early harvested Totapuri mangoes with ethrel. Totapuri mangoes were harvested 2 weeks before optimum maturity and treated with Ethrel [ethphon] at concentrations of 0, 500, 750 or 1000 ppm in hot water at 52 degrees C for 5 minutes. Fruits were then air-dried, packed inwooden boxes with newsp...

Sozzi, A.F.edi, W., 1977: Quality and cold storage suitability of Wellspur apples sprayed with SADH. Annali (8): 179-183

Pollard, J.E., 1974: Effects of SADH, ethephon and 2,4,5-T on color and storage quality of 'McIntosh' apples. Application of 50 p.p.m. ethephon to apples, cv. McIntosh, in late August increased the development of anthocyanins in the fruit peel, shortening the time to harvest by approximately 2 weeks. With ethephon at 200 p.p.m. it was necessary to use dam...

Sozzi, A.Z.rbini, P., 1977: The influence of calcium chloride, SADH and Biosaral on keeping quality of Starkrimson apples. Annali (8): 249-254