Effect of preharvest methyl jasmonate treatment on the minerals profile, metabolites, and antioxidant activities of ponytail and cherry radish cultivars
Shimeles Tilahun,
Min Woo Baek,
Ki-Seok An,
Han Ryul Choi,
Jong Hwan Lee,
Su Ho Tae,
DoSu Park,
Cheon Soon Jeong
Affiliations
Shimeles Tilahun
Department of Horticulture, Kangwon National University, Chuncheon 24341, South Korea; Agriculture and Life Science Research Institute, Kangwon National University, Chuncheon 24341, South Korea; Department of Horticulture and Plant Sciences, Jimma University, Jimma 378, Ethiopia
Min Woo Baek
Department of Horticulture, Kangwon National University, Chuncheon 24341, South Korea; Interdisciplinary Program in Smart Agriculture, Kangwon National University, Chuncheon 24341, South Korea
Ki-Seok An
Department of Horticulture, Kangwon National University, Chuncheon 24341, South Korea; Kangwon National University Eco-friendly Agricultural Product Safety Center, Chuncheon 24341, South Korea
Han Ryul Choi
National Institute of Horticultural and Herbal Science, Rural Development Administration, Wanju-gun 55365, South Korea
Jong Hwan Lee
Department of Horticulture, Kangwon National University, Chuncheon 24341, South Korea; Interdisciplinary Program in Smart Agriculture, Kangwon National University, Chuncheon 24341, South Korea
Su Ho Tae
Department of Horticulture, Kangwon National University, Chuncheon 24341, South Korea; Interdisciplinary Program in Smart Agriculture, Kangwon National University, Chuncheon 24341, South Korea
DoSu Park
Department of Horticulture, Kangwon National University, Chuncheon 24341, South Korea; Agriculture and Life Science Research Institute, Kangwon National University, Chuncheon 24341, South Korea; Corresponding authors.
Cheon Soon Jeong
Department of Horticulture, Kangwon National University, Chuncheon 24341, South Korea; Interdisciplinary Program in Smart Agriculture, Kangwon National University, Chuncheon 24341, South Korea; Corresponding authors.
This study investigated the effect of 1.0 mM preharvest methyl jasmonate (MeJA) treatment on ‘Jin-Mi’ ponytail radish and cherry radish cultivars (‘Akamaru-Hatsuga’, ‘Cherry-One’, and ‘OP 20′). The MeJA was applied via root drenching and leaf spraying three days before harvest, and the research assessed parameters such as dry matter, minerals, amino acids, various secondary metabolites, and antioxidant activities in four assays. The findings indicated that MeJA enhanced all cultivars’ dry weight, total amino acids, essential amino acids, Chlorophylls, flavonoids, and glucosinolates. However, MeJA led to reduced vitamin C and total phenolics in three cultivars, except for ‘Jin-Mi’, where antioxidant activities increased with total phenolics. Cultivar-specific responses underscore the importance of selecting cultivars based on consumer preferences for desired functional compounds. The study suggests that a single preharvest MeJA treatment may not guarantee consistently higher secondary metabolite content, promoting further investigation into multiple MeJA treatments from early plant development.
