The effect of foliar application of ascorbate and gibberellin on pigment content and degradation biomarkers in the medicinal plant Salvia officinalis L. under salinity stress conditions.

Article Type:
Research/Original Article (بدون رتبه معتبر)
Abstract:

In order to investigate the effect of foliar spraying of ascorbate and gibberellin on pigment content and degradation biomarkers in the medicinal plant Salvia officinalis L. under salinity stress conditions, a research was carried out in 2013 in the municipal greenhouse of Region 15. The experiment was conducted as a factorial in the form of a completely randomized design in four repetitions. Experimental agents of salinity stress at 4 levels of zero, 25, 50 and 75 mM from NaCl source, ascorbate at two levels of 0 and 4 mM and gibberellin at two levels of 0 and 2 mM are considered. became The comparison of the simple effect of salinity stress showed that this factor caused a significant decrease in the amount of chlorophylls and an increase in degradation biomarkers, although in terms of d-tyrosine content, salinity values of 50 and 75 mM were in the same statistical group. The spraying of 4 mM ascorbate and 2 mM gibberellin caused the decrease of all biomarkers and the increase of photosynthetic pigments. The results of the comparison of the mean of the significant mutual effects showed that in the situation of no application of salinity stress, the use of ascorbate did not lead to an increase in carotenoids, but in moderate salinities (50 mM) and severe (75 mM) their consumption increased carotenoid.

Language:
Persian
Published:
Journal of Crop Production Research, Volume:15 Issue: 1, 2023
Pages:
105 to 126
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