ISHS Acta Horticulturae 168: II Symposium on Winter Hardiness in Woody Perennials
PRELIMINARY RESULTS OF EFFECT OF SOME CHEMICALS ON SPRING FROST TOLERANCE AND FRUIT SET OF APPLE TREES AND BLACKCURRANT BUSHES |
| Authors: | P. Kolodziejczak, P.J. Hamer |
| Abstract:
The influence of some chemicals on the spring frost tolerance and fruit set was tested. Spring foliar application of Teric 12A23B on the apple trees caused lower frost damage of flowers than spray of DEPEG. Autumn foliar application of Cultar on the apple trees caused higher fruit set at the next year. The influence of used chemicals on lower frost damage of blackcurrant young fruits wasn't ascertained. After application of DEPEG on the flower buds of apple and blackcurrant occurs spray damage. | |
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