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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...

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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...

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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