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: (222 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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