ISHS Acta Horticulturae 34: Symposium on growth Regulators in Fruit Production
EFFECT OF SADH ON JUVENILITY OF APPLE SEEDLINGS |
| Author: | H. Jonkers |
| DOI: | 10.17660/ActaHortic.1973.34.18 |
| Abstract:
Seedlings of the apomictic tea crab apple, Malushupehensis Rehd., were sprayed annually for 6 years with the growth retardant SADH (succinic acid-2, 2-dimethylhydrazide) at 0, 500, 2500 and 5000 ppm. There was hardly any promotion of the onset of flowering, though the minimal plant height for flowering was reduced by as much as 50%. It is concluded that SADH, which can promote flower formation in many mature fruit trees, is ineffective as a flowering stimulus for seedlings. | |
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