The influence of KJ, CuSO4, and Mg(ClO3)2 on defoliation and subsequent frost resistance and growth of apple trees in nurseries

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Alina Basak; A. Czynczyk; L. S. Jankiewicz;

In most cases 2-year-old trees of 3 cultivars responded better to defoliants than 1-year-old ones. Spraying with defoliants on September 25 - 28 was more effective than spraying 10 days earlier. There was also more bark injury in the autumn, and more frost injury on tre... View more
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