EFFECT OF SOIL FATIGUE ON FROST RESISTANCE OF ONE-YEAR OLD APPLE-TREE SHOOTS, TOPAZ CULTIVAR
Zofia Zydlik
University of Life Sciences in PoznańPiotr Zydlik
University of Life Sciences in PoznańAbstract
The presented studies have shown the effect of soil fatigue on the decrease of resistance to low temperatures in one-year old apple-tree shoots. The highest frost resistance was demonstrated by the shoots of apple-trees grown in localities so far not utilized for fruit-tree cultivation.In a replanted apple-tree orchard, the plantation of trees in the grass inter-rows of the old apple orchard did not cause any explicit increase of frost resistance by the apple-tree shoots.
Keywords:
replantation disease, frost resistance, conductometric method, one-year old apple-tree shootsReferences
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University of Life Sciences in Poznań
University of Life Sciences in Poznań
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