ISHS Acta Horticulturae 192: VIII International Symposium on Apricot Culture and Decline
THE EFFECT OF ALAR 85 AND RETACEL ON GROWTH DYNAMICS IN APRICOT |
| Authors: | P. Bencat, L. Pecho, I. Hricovsky |
| Abstract:
Physiologically active substances can cause direct appropriate changes in the plant. The influence of Alar 85 and Retacel on a growth dynamics and yields at apricot of cvs. Velkopavlovická, Rakovského and 3 perspective hybrids VS 09/12, VS 12/41, VS 9/83 bred at Research Breeding Station Veselé was investigated. The data were analysed of Alar 85 and Retacel using statistical F-test. The results of trials between 1982–84 indicated a highly significant effect of Alar 85 and Retacel in reducing annual shoot length, internode length, crown size on yield. The sprays had various effects on cultivars. A negative effect on tree vigour was not observed. There seems to be a possibility of using Alar and Retacel for growth control of apricot trees. More compact growth of trees was reached which is of practical significance in establishing plantations. | |
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