Heat Requirement for Blooming and Leafing in Peach

in HortScience
Authors: I. Citadin1, M.C.B. Raseira2, F.G. Herter2, and J. Baptista da Silva3
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  • 1 Centro Federal de Educação Tecnológica do Paraná, Cx. P. 571, 85503-390, Pato Branco, PR, Brazil
  • | 2 Embrapa Clima Temperado, Cx. P. 403, 96001-970, Pelotas, RS, Brazil
  • | 3 Universidade Federal de Pelotas, Cx.P. 345, 96001-900, Pelotas, RS, Brazil
DOI:
https://doi.org/10.21273/HORTSCI.36.2.305
Page Count:
3
Volume/Issue:
Volume 36: Issue 2
Article Category:
Research Article
Online Publication Date:
Apr 2001
Free access

Differences in heat requirements for blooming and leafing were investigated in peach [Prunus persica (L.) Batsch] using artificially chilled excised shoots and potted trees. `Della Nona' and `BR-1' have high heat requirements; `Planalto', `Sunlite', and `Eldorado' are intermediate; and `Precocinho' and `Riograndense' have low heat requirements. Prolonged chilling enhanced leafing more than blooming. Flower and vegetative buds have different heat requirements during ecodormancy.

Volume 36 (2001): Issue 2 (Apr 2001)

in HortScience
Cover HortScience
Copyright:
© American Society for Horticultural Science 2001
Page Count:
3
Article Category:
Research Article
Received:
08 Sep 1999
Accepted:
03 Aug 2000
Print Publication Date:
01 Jan 2001
Online Publication Date:
Apr 2001
Keywords:
ecodormancy; anthesis; growing degree hours; Prunus persica
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