ISHS Acta Horticulturae 736: III International Date Palm Conference
DATE PALM FLOWERING AND FRUIT SETTING AS AFFECTED BY LOW TEMPERATURES PRECEDING THE FLOWERING SEASON |
| Authors: | H. Shabana, A. Al Sunbol |
| Abstract:
This study was conducted during two consecutive seasons, 2003 and 2004, on flowering and fruit setting in date palm trees at Tuhama region in Yemen. The study included three local and imported groups of cultivars trees: date palm trees grown from offshoots; date palm trees grown from tissue culture using embryogenesis; and date palm trees grown from tissue culture using organogenesis. Under the conditions of this study the flowering and fruit setting of date palm trees were affected by insufficient coldness through the winter season. It was concluded that if temperatures in the winter months are not low enough, flowering will not be normal. The warm winter temperatures of Tuhama region in Yemen, which are higher on average than those in other world regions where date palm is cultivated, may be the main reason for the failure of flowering and fruit set. | |
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