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Paper Information

Journal:   IRANIAN JOURNAL OF FIELD CROP SCIENCE (IRANIAN JOURNAL OF AGRICULTURAL SCIENCES)   spring 2017 , Volume 48 , Number 1 ; Page(s) 159 To 169.
 
Paper: 

Effects of biological and chemical phosphorous fertilizer on grain yield, oil seed and fatty acids of Spring Safflower in water deficit conditions

 
 
Author(s):  HESHMATI SIAVASH, AMINI DEHAGHI MAJID*, Fathi Amirkhiz Kayvan
 
* Department of Agronomy, Faculty of Agriculture, Shahed University, Tehran, Iran
 
Abstract: 
In order to study the effect of biologic and chemical phosphorous fertilizer on the yield and physiological characteristics of a safflower cultivar (IL111) under water deficit conditions, an experiment was conducted in 2012 at the Research Field of the Faculty of Agriculture, Shahed University. The experimental design was split-factorial arrangement in randomized complete block design with three replicates. The main factors tested were the three levels of water stress: full irrigation or non-stress (irrigation up to 50% soil moisture depletion relative to field capacity), water stress during the vegetative and flowering stages (irrigation up to 75% soil moisture depletion relative to field capacity). There were six sub-factor treatments created using three concentrations of phosphate chemical fertilizer (0, 50, and 100 kg ha-1Triple Super Phosphate) and two concentrations of Barvar-2 bio-fertilizer (with and without inoculation with Barvar-2). The results indicated that all traits were significantly affected by water stress condition in this experiment. The use of biological fertilizer and chemical phosphorus fertilizer at a concentration of 50 kg ha-1Triple Super Phosphate during water stress at the flowering stage increased the seed yield and harvest index by 1761. 67 kg ha-1 and %12. 53, respectively in comparison with control treatment (non-stress). Applying drought conditions during the flowering stage also significantly increased the fatty acid content (oleic, linoleic), oil content and oil yield when the plants were treated with biofertilizer and chemical fertilizer. Therefore, the characteristics of safflower cultivars under water stress conditions can be improved by applying both biological fertilizer and chemical fertilizer.
 
Keyword(s): Barvar 2,drought stress,linoleic acid,oil content,triple super phosphate
 
 
References: 
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Cite:
APA: Copy

HESHMATI, S., & AMINI DEHAGHI, M., & Fathi Amirkhiz, K. (2017). Effects of biological and chemical phosphorous fertilizer on grain yield, oil seed and fatty acids of Spring Safflower in water deficit conditions. IRANIAN JOURNAL OF FIELD CROP SCIENCE (IRANIAN JOURNAL OF AGRICULTURAL SCIENCES), 48(1 ), 159-169. https://www.sid.ir/en/journal/ViewPaper.aspx?id=654285



Vancouver: Copy

HESHMATI SIAVASH, AMINI DEHAGHI MAJID, Fathi Amirkhiz Kayvan. Effects of biological and chemical phosphorous fertilizer on grain yield, oil seed and fatty acids of Spring Safflower in water deficit conditions. IRANIAN JOURNAL OF FIELD CROP SCIENCE (IRANIAN JOURNAL OF AGRICULTURAL SCIENCES). 2017 [cited 2021April21];48(1 ):159-169. Available from: https://www.sid.ir/en/journal/ViewPaper.aspx?id=654285



IEEE: Copy

HESHMATI, S., AMINI DEHAGHI, M., Fathi Amirkhiz, K., 2017. Effects of biological and chemical phosphorous fertilizer on grain yield, oil seed and fatty acids of Spring Safflower in water deficit conditions. IRANIAN JOURNAL OF FIELD CROP SCIENCE (IRANIAN JOURNAL OF AGRICULTURAL SCIENCES), [online] 48(1 ), pp.159-169. Available: https://www.sid.ir/en/journal/ViewPaper.aspx?id=654285.



 
 
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