جلد 13، شماره 64 - ( جلد 13، شماره 64، بهمن و اسفند 1403 )
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Davodipour M, Jalali M, Raji M R. Effect of different light spectra on morpho-physiological and biochemical characteristics of marigold (Calendula officinalis L.) under salinity stress. Plant Process and Function 2025; 13 (64) : 9
URL: http://jispp.iut.ac.ir/article-1-2053-fa.html
URL: http://jispp.iut.ac.ir/article-1-2053-fa.html
Davodipour Mohadeseh، Jalali Mahboobeh، Raji Mohammad Reza. Effect of different light spectra on morpho-physiological and biochemical characteristics of marigold (Calendula officinalis L.) under salinity stress. فرآیند و کارکرد گیاهی. 1403; 13 (64) :87-96
1- Soil Science Department, Lorestan University, Khorramabad, Iran
2- Soil Science Department, Lorestan University, Khorramabad, Iran ،jalali.mah@lu.ac.ir
3- Department of Horticulture, Faculty of Agriculture, Lorestan University, Khorramabad, Iran
2- Soil Science Department, Lorestan University, Khorramabad, Iran ،
3- Department of Horticulture, Faculty of Agriculture, Lorestan University, Khorramabad, Iran
چکیده: (107 مشاهده)
Utilizing complementary light spectra represents a potential novel approach for examining the enhancement of plant resilience amidst stressful conditions. The objective of this study was to explore the impact of various complementary light spectra on the growth and development of marigold plants under salinity-induced stress. The plants were cultivated in a greenhouse and exposed to blue, red, blue/red (2:1), blue/red (1:2), and white/yellow illumination throughout their growth stages. Stress conditions comprised control (non-stress) and salinity treatments (30, 60, and 90 mM NaCl). Salinity stress led to a reduction in fresh and dry weights, as well as leaf area index, while increasing proline content and Na concentration in roots and shoots. The combination of blue and red spectra caused superior stress mitigation compared to other spectra. Salinity stress reduced leaf chlorophyll and RWC, however, blue/red (2:1) treatment enhanced both parameters under NaCl stress. Salinity also increased the amount of total phenol content. White/yellow light exerted the most pronounced effect in reducing total phenol content at 90 mM salinity. Sodium uptake increased under stress, while potassium uptake decreased. The sentence was corrected. It can be concluded that the effects of salinity stress can be reduced by manipulating the supplemental light spectrum. The use of artificial light can be extended to stress.
شماره‌ی مقاله: 9
واژه‌های کلیدی: Ion Concentration، Leaf gas exchange، Light quality، Photosynthesis، Relative Water Content
نوع مطالعه: پژوهشي |
موضوع مقاله:
تنش شوري
دریافت: 1403/1/18 | پذیرش: 1403/4/12 | انتشار: 1403/11/23
دریافت: 1403/1/18 | پذیرش: 1403/4/12 | انتشار: 1403/11/23
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