جلد 13، شماره 61 - ( جلد 13، شماره 61، مرداد و شهریور 1403 )
جلد 13 شماره 61 صفحات 54-45 |
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Amiri N, Zeinalipour N, Pakkish Z. 24-epibrassinolide improves the growth and essential oil of coriander leaves (Coriandrumsativum L.) under drought stress. Plant Process and Function 2024; 13 (61) : 5
URL: http://jispp.iut.ac.ir/article-1-1858-fa.html
URL: http://jispp.iut.ac.ir/article-1-1858-fa.html
Amiri Neda، Zeinalipour Najmeh، Pakkish Zahra. 24-epibrassinolide improves the growth and essential oil of coriander leaves (Coriandrumsativum L.) under drought stress. فرآیند و کارکرد گیاهی. 1403; 13 (61) :45-54
Neda Amiri1 
، Najmeh Zeinalipour1 ، Zahra Pakkish* 2
، Najmeh Zeinalipour1 ، Zahra Pakkish* 2
1- Department of Horticultural Sciences, Faculty of Agriculture, ShahidBahonar University of Kerman, Kerman, Iran
2- Department of Horticultural Sciences, Faculty of Agriculture, ShahidBahonar University of Kerman, Kerman, Iran ،zahrapakkish@uk.ac.ir
2- Department of Horticultural Sciences, Faculty of Agriculture, ShahidBahonar University of Kerman, Kerman, Iran ،
چکیده: (37 مشاهده)
Coriander (Coriandrum sativum L.) is used as an aromatic and medicinal vegetable. Plant growth regulators improve plant performance under unfavorable conditions. In this study, the interaction effects of 24-epibrassinolide (0, 0.5 and 1 µM) and three levels of drought stress (-2, -3.5 and -4.5 bars) were investigated on growth parameters and coriander leaves essential oil. The highest main stem length, diameter, shoot fresh weight, and shoot dry weight were obtained by 0.5 µM of 24-epibrassinolide (EBR) under -3.5 bar. Both 0.5 and 1 µM concentrations of 24-epibrassinolide protected leaves of chlorophyll a and b against the effects of water deficit. The plants under -3.5 and -4.5 bar water deficits showed more leaf electrolyte leakage compared to the control (-2 bar). The highest percentage of all six measured essential oil components (linalool, (e)-2-decenal, 2-hexa-decenal, carvone, α-pinene and (E)-2-dodecenal) were obtained under moderate and severe levels of regulated water deficit. Foliar spray of EBR 0.5µM under severe drought stress with -4.5 bar of matric potential increased the main essential oil compositions such as linalool, (E)-2-decenal and (E)-2-hexa-decenal.
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