Analysis shows humic acid application impacts chlorophyll but not antioxidant activity in eggplant, indicating its potential value.
The aim of this research is to determine the effects of humic acid applications on antioxidant activity and chlorophyll amount in Eggplant (Solanum melongena L.). The eggplant cultivar ‘Aydın Siyahı’ was used as the plant material, and a commercial product, Humacid-Liquid, served as the source of humic acid. Applications were initiated three weeks after transplanting and repeated at three-week intervals, for a total of three applications. Treatments were applied both via soil and foliar methods, at doses of 10, 20, 30, and 40 ppm, in addition to a control group. According to the results, humic acid applications had no statistically significant effect on antioxidant activity in eggplant, whereas the effect on chlorophyll a content was found to be statistically significant.
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Kargıcak et al. (2025) studied this question.
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