Evaluation of yield and some traits of two safflower (Carthamus tinctorius L. ) cultivars under different irrigation regimes

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Salek Mearaji H.; TAVAKOLI AFSHIN

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Journal: Environmental Stresses in Crop Sciences Year:2020 | Volume:13 | Issue:3 Page(s): 763-775

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Title

Evaluation of yield and some traits of two safflower (Carthamus tinctorius L. ) cultivars under different irrigation regimes

Author(s)

Salek Mearaji H. | TAVAKOLI AFSHIN | Issue Writer Certificate

Keywords

Biological yieldQ1

Deficit waterQ2

Oil seedsQ1

Percent oilQ1

Abstract

Drought is the most important stress and decreases the yield of plants. Safflower is resistant to stress and is one of the most important oil seed plants. In order to evaluate of yield and yield components of two safflower under optimal irrigation and drought stress conditions an split factorial experiment was conducted based on randomized complete block design with four replications at the research farm of Agriculture Faculty, the University of Zanjan in spring 2010 and 2011 years. Experimental treatments included optimal irrigation (-0. 5 MPa) and drought stress (-2 MPa) and two safflower cultivars (Zendehrood and Goldasht). The effect of irrigation treatments, cultivar and year not significant on diameter capitul, number of main and lateral capitul in plant. The highest of thousand weight seed (35. 5 g), grain yield (214. 42 kg/ha), Biological yield (9600. 1 kg/ha), harvest index (25. 6%) and oil yield (634. 6 kg/ha) obtained in optimal irrigation, and in other traits, was not difference between optimal irrigation and drought stress. The maximumof number of seed in capitul, Biological yield, oil percent and oil yield were obtained in zendehrood cultivar, and in other traits there was not difference between Zendehrood and Goldasht. Grain yield and oil yield reduced under drought stress amount 51 and 65 percent, respectively. Oil percentage in optimal irrigation was 8 percent more than drought stress condition. Grain yield, oil percentage and oil yield of Goldasht cultivar 7, 8 and 26 percent were higher than Zendehrood cultivar, respectively. The results showed that Goldasht was superior to Zendehrood cultivar, and is more tolerant to stress condition, therefore suggested that cultivate Goldasht cultivar in deficit condition.

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APA: Copy

Salek Mearaji, H., & TAVAKOLI, AFSHIN. (2020). Evaluation of yield and some traits of two safflower (Carthamus tinctorius L. ) cultivars under different irrigation regimes. ENVIRONMENTAL STRESSES IN CROP SCIENCES, 13(3 ), 763-775. SID. https://sid.ir/paper/408964/en

Vancouver: Copy

Salek Mearaji H., TAVAKOLI AFSHIN. Evaluation of yield and some traits of two safflower (Carthamus tinctorius L. ) cultivars under different irrigation regimes. ENVIRONMENTAL STRESSES IN CROP SCIENCES[Internet]. 2020;13(3 ):763-775. Available from: https://sid.ir/paper/408964/en

IEEE: Copy

H. Salek Mearaji, and AFSHIN TAVAKOLI, “Evaluation of yield and some traits of two safflower (Carthamus tinctorius L. ) cultivars under different irrigation regimes,” ENVIRONMENTAL STRESSES IN CROP SCIENCES, vol. 13, no. 3 , pp. 763–775, 2020, [Online]. Available: https://sid.ir/paper/408964/en

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