THE EFFECTS OF SALINITY STRESS LEVELS ON QUANTITATIVE AND QUALITATIVE TRAITS OF DIFFERENT CULTIVARS OF CANOLA UNDER VERMICOMPOST APPLICATION

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KABOOSI K.; NODEHI A.

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Journal: Crop Production Year:2016 | Volume:9 | Issue:3 Page(s): 133-151

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Title

THE EFFECTS OF SALINITY STRESS LEVELS ON QUANTITATIVE AND QUALITATIVE TRAITS OF DIFFERENT CULTIVARS OF CANOLA UNDER VERMICOMPOST APPLICATION

Author(s)

KABOOSI K. | NODEHI A. | Issue Writer Certificate

Keywords

GORGANQ1

HYOLAQ2

RGSQ2

WATER SALINITYQ1

Abstract

Background and objectives: There is an increasing pressure to apply low quality brackish waters for plant irrigation in the arid and semi- arid areas of the world. Consequently, there is a demand to identify the salt tolerant of conventional crops and varieties. Vermicompost usefulness has been reported in reducing the harmful effects of salinity on some plants.Materials and methods: In order to investigate the effects of four salinity levels (including 1.15, 4, 7 and 10 dS m-1) on quantitative and qualitative traits of four cultivars of canola (Hyola 4815, 308 and 401 and RGS 003) under application of 10 t ha-1 vermicompost, an experiment was conducted as factorial based on randomized complete block design with three replications. Pot experiment was conducted in a semi- controlled environment. In order to avoid toxic effects of some ions, different levels of salinity were prepared with composition of four salts (CaCl2, NaCl, MgCl2 and MgSO4) as equal weight ratio.Results: The results showed that cultivar significantly affected the seed yield, biological yield, harvest index, oil yield, seed water use efficiency and oil water use efficiency. Means comparison test indicated that HYOLA 401 cultivar had the highest value in whole traits, although this superiority was not significant in some traits. In contrast, RGS 003 cultivar had the lowest value of seed yield, harvest index and seed water use efficiency. In comparing with RGS 003 cultivar, HYOLA 401 has 23% more seed yield and seed water use efficiency. Also, the results showed that the effect of salinity on seed yield, biological yield and seed water use efficiency was significant. Based on means comparison test, the lowest value of seed yield, biological yield and seed water use efficiency had been observed in control salinity treatment (1.15 dS m-1) and the highest value of those traits observed at 7 dS m-1 irrigation WATER SALINITY and more increasing of the salinity had an adverse effect. Interactions of salinity and cultivar had no effects on considered traits.Conclusion: It seems that increasing in seed yield, biological yield and seed water use efficiency in salinity levelof 7 dS.m-1 is due to the increasing absorption of nutrients from the soil, less leaching of nutrients from the soil because of reduced water solubility and stimulates the plant to cope with the stress led to an increase in those attributes. Also, application of vermicompost led to increasing salinity threshold of canola cultivars because it improves the soil physical and chemical condition.

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APA: Copy

KABOOSI, K., & NODEHI, A.. (2016). THE EFFECTS OF SALINITY STRESS LEVELS ON QUANTITATIVE AND QUALITATIVE TRAITS OF DIFFERENT CULTIVARS OF CANOLA UNDER VERMICOMPOST APPLICATION. ELECTRONIC JOURNAL OF CROP PRODUCTION, 9(3), 133-151. SID. https://sid.ir/paper/135223/en

Vancouver: Copy

KABOOSI K., NODEHI A.. THE EFFECTS OF SALINITY STRESS LEVELS ON QUANTITATIVE AND QUALITATIVE TRAITS OF DIFFERENT CULTIVARS OF CANOLA UNDER VERMICOMPOST APPLICATION. ELECTRONIC JOURNAL OF CROP PRODUCTION[Internet]. 2016;9(3):133-151. Available from: https://sid.ir/paper/135223/en

IEEE: Copy

K. KABOOSI, and A. NODEHI, “THE EFFECTS OF SALINITY STRESS LEVELS ON QUANTITATIVE AND QUALITATIVE TRAITS OF DIFFERENT CULTIVARS OF CANOLA UNDER VERMICOMPOST APPLICATION,” ELECTRONIC JOURNAL OF CROP PRODUCTION, vol. 9, no. 3, pp. 133–151, 2016, [Online]. Available: https://sid.ir/paper/135223/en

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