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Assessment of physiological attributes of safflower (Carthamus tinctorious L.) under drought

Research Paper | October 1, 2019

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Ayesha Farooq, Shazia Anwer Bukhari, Nudrat Aisha Akram, Sanobar Gull

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Int. J. Biosci.15( 4), 359-366, October 2019

DOI: http://dx.doi.org/10.12692/ijb/15.4.359-366


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Safflower is one of the major oilseed crop enriched with various nourishing elements. It helps to full fill the food demand of present population.  For the assessment of drought tolerant cultivars of safflower a completely randomized experiment was designed and performed at department of Botany, Government College University Faisalabad. Eighty accessions of safflower were selected for this purpose. Seeds were sown in plastic pots after pre-treatment of seeds with distilled water. After two weeks of germination, drought (60% field capacity) was applied to the plants. Their growth, shoot and root fresh and dry weights, shoot and root length were analyzed under well watered and water deficit condition. Data for growth had been collected manually, and by applying ANNOVA all the values were contrasted. Safflower due to its tape root system considered to be remain unaffected from drought but the present findings contradict this approach. Drought had significant (P ≤ 0.001) effect on plant biomass. Due to drought plant shoot and root fresh weight was reduced. Dry weights of plant biomass were also reduced due to water deficit. Seedling length remained unaffected under water scarcity. All these effects were not same for all cultivars. Some of the accessions were remained drought tolerant. All these results had proven safflower to be cultivated at larger scale in dry and water deficit areas.


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Assessment of physiological attributes of safflower (Carthamus tinctorious L.) under drought

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