the effect of drought stress on some morphological and physicochemical characteristics of three cultivars of basil (ocimum basilicum l.)

Authors

محمد مقدم

استادیار گروه علوم باغبانی، دانشکدۀ کشاورزی، دانشگاه فردوسی مشهد مرتضی علیرضایی نقندر

دانشجوی سابق دکتری گروه علوم باغبانی، دانشکدۀ کشاورزی، دانشگاه فردوسی مشهد یحیی سلاح ورزی

مربی پژوهشی مرکز تحقیقات انار، دانشگاه فردوسی مشهد مرتضی گلدانی

استادیار گروه زراعت، دانشکدۀ کشاورزی، دانشگاه فردوسی مشهد

abstract

this research was conducted to assay the effect of different levels of irrigation on morphological and physicochemical characteristics of three cultivars of basil (ocimum basilicum l.), in ferdowsi university of mashhad, 2012. the pot experiment was performedas a factorial based on randomized complete design with four replications. the factors included three commercial cultivars of basil (comin hoja larga, rubi, genoes) and three levels of drought stress (100, 75, 50% fc). the results showed that cultivars had significant effect on plant height, dry and fresh weight and oil content. also different levels of drought stress had significant effect on the number of branches, fresh weight and oil content. studied cultivars showed different physiological response to drought stress. as cultivar comin hoja larga could well tolerate 50% fc three weeks before harvesting time. high chlorophyll b content (0.51 mg/g fresh weight) was observed in severe stress (50% fc). in order to product maximum oil content (0.75), severe stress (50% fc) in same condition is recommended.

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Journal title:
علوم باغبانی ایران

جلد ۴۶، شماره ۳، صفحات ۵۰۷-۵۲۱

Keywords
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