STUDIES ON REST INTENSITY AND CHILLING REQUIREMENTS FOR LE- CONTE PEAR CULTIVAR
Holwah,, A., El-Sheikh, A. (2000). STUDIES ON REST INTENSITY AND CHILLING REQUIREMENTS FOR LE- CONTE PEAR CULTIVAR. EKB Journal Management System, 25(9), 5797-5804. doi: 10.21608/jpp.2000.259734
A. Y. Holwah,; A. A. El-Sheikh. "STUDIES ON REST INTENSITY AND CHILLING REQUIREMENTS FOR LE- CONTE PEAR CULTIVAR". EKB Journal Management System, 25, 9, 2000, 5797-5804. doi: 10.21608/jpp.2000.259734
Holwah,, A., El-Sheikh, A. (2000). 'STUDIES ON REST INTENSITY AND CHILLING REQUIREMENTS FOR LE- CONTE PEAR CULTIVAR', EKB Journal Management System, 25(9), pp. 5797-5804. doi: 10.21608/jpp.2000.259734
Holwah,, A., El-Sheikh, A. STUDIES ON REST INTENSITY AND CHILLING REQUIREMENTS FOR LE- CONTE PEAR CULTIVAR. EKB Journal Management System, 2000; 25(9): 5797-5804. doi: 10.21608/jpp.2000.259734

STUDIES ON REST INTENSITY AND CHILLING REQUIREMENTS FOR LE- CONTE PEAR CULTIVAR

Journal of Plant Production
Article 5, Volume 25, Issue 9, September 2000, Page 5797-5804  XML PDF (521.3 K)
Document Type: Original Article
DOI: 10.21608/jpp.2000.259734
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Authors
A. Y. Holwah,; A. A. El-Sheikh
Horticulture Research Institute, ARC, Dokki, Giza, Egypt.
Abstract
The intensity of the rest period in relation to environmental temperature fluctuating for Le-Conte pear cultivar was measured under laboratory conditions. Percent budbreak, accumulate chill units, ABA, GA3 and IAA contents of buds were determined.
                Le- Conte pear cultivar started to enter into dormancy in December while its budbreak was in March. Bud opening percent corresponded positively with increasing the chilling units.
ABA decreased quickly from Jan. to Mar. in Le-Conte buds, while GA3 showed increasing level during Feb. Minimum IAA content resulted in Feb. and it reached its maximum level at budburst stage.
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