Factors influencing flower bud formation on the pear tree cultivar 'Doyenne du Comice'. I. Shoot growth and flower bud differentiation on trees sprayed with chlormequat and unsprayed ones

Franciszka Jaumień

Abstract


The growth of trees sprayed in spring with chlormequat is weaker, and their elongation growth ends 2 - 3 weeks earlier than that of unsprayed trees. Trees with growth inhibited by chlormequat set flower buds on the spurs and in the subapical part of long shoots. The course of flower bud differentiation starts in the second half of July and is similar to that in the apple tree.

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DOI: https://doi.org/10.5586/aa.1983.008

Journal ISSN:
  • 2300-357X (online)
  • 0065-0951 (print; ceased since 2016)
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Publisher
Polish Botanical Society