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The use of CEPA, SADH and mineral salts to defoliate apple trees in nurseries

Acta Horticulturae (34): 135-138

The use of CEPA, SADH and mineral salts to defoliate apple trees in nurseries

Ethephon in concentrations greater than 2000 p.p.m. satisfactorily defoliated apple trees while inhibiting tree growth and increasing flowering. However, it sometimes caused bark injury and a lower resistance to frost.

Accession: 000247652

Related references

Basak A.; Jankiewicz L.S.; Czynczyk A., 1973: The use of 2 chloroethyl phosphonic acid succinic acid 2 2 di methyl hydrazide and mineral salts to defoliate apple trees in nurseries. Acta Horticulturae (Wageningen) 1(34): 135-138

Fanti, R., 1983: The effects of SADH and CEPA on the vegetative development and fruiting of young apple trees. Yellowspur trees on M.26 (in their first year after topworking) were treated with 1.275 p.p.m. SADH [daminozide] and/or 48 p.p.m. CEPA [ethephon] on 10 June, and 2.215 p.p.m. SADH and/or 72 p.p.m. CEPA on 24 June and 19 September. Examination in t...

Fanti, R., 1983: SADH, CEPA and their mixture effects on the development and fructification of young apple trees. Frutticoltura 45(8): 27-31

Modic, Dm, 1978: The effect of SADH on some mineral contents in the leaves of the apple trees (Malus sp.). Proceedings of the Plant Growth Regulator Working Group annual meeting: th) 279-284

Raucourt, M.; Viel, G.; Ventura, E., 1956: Chemical control of caterpillars which defoliate cider-apple trees. Extensive tests were carried out for control of winter-moth and ermine-moth larvae, comparing the action of zeidane (a DDT product) as 5 %, 8 % and 12 % powder, BHC as 10% powder, a lead arsenate spray containing 21 % arsenic and a bacterial produ...

Jaumien, F., 1983: Effect of SADH and CEPA on elongation growth and anatomical structure of apple stem. SADH [daminozide] alone or mixed with CEPA [ethephon] and applied as a single spray, significantly inhibited shoot elongation growth. A mixture of daminozide (1000 p.p.m.) and ethephon (250 p.p.m.) retarded shoot growth to the same or even greater...

Grauslund, J., 1975: Growth regulators for fruit trees. II. A field experiment with SADH applied to young apple and pear trees. The apple cvs Close on MM.106 and Red Gravenstein on MM.106 or M.9 and the pear cvs Conference and Doyenne du Comice on Quince A were sprayed with 0, 2000 or 4000 p.p.m. SADH (daminozide as Alar) 2-3 years after planting. Over the following 3 or 4...

Cobianchi, D., 1986: The effects of paclobutrazol, SADH and CEPA on the vegetative development and on fruit setting in young cherry trees. Colt rootstocks were planted at 5x1 m in Feb. 1981 and grafted with Gemella cherries scions in Feb. 1982. The main treatments were (a) control, (b) summer topping to 47.55 +or- 0.84 cm on 3 June 1982 with pruning of laterals in 1982, 1983 and 1984...

Jaumien, F.; Wiktorowicz, M.; Osinska, B., 1986: Vegetative growth control and fruiting of young pear trees treated with CCC, SADH, PP 333 (paclobutrazol) and a mixture of these compounds with CEPA. Trees of the cultivars Clapp's Favourite and Beurre Hardy were treated for 3 successive years. CCC (chlormequat) at 1000 or 2000 p.p.m. had the greatest and SADH (daminozide) at 1000 or 2000 p.p.m. the least influence on shoot growth. The inf...

Zika, J.K.icnarova, L., 1981: Translocation of SADH in shoots of apple trees. Vedecke prace ovocnarske = Scientific studies on pomology: ) 85-94