Effects of methyl jasmonate on the physiology and biochemistry of seedlings leaves from Camellia Oleifera

doi:10.14088/j.cnki.issn0439-8114.2024.07.012

Abstract

Abstract: To investigate the effects of spraying methyl jasmonate on the physiology and biochemistry of oil tea（Camellia oleifera） seedling leaves, 2-year-old grafted seedlings of four main oil tea varieties from Tianzhu County, Guizhou Province, including Xianglin No. 27, Xianglin No. 36, Changlin No. 3 and Changlin No. 4, were used as study materials. Six different concentrations （0, 100, 300, 600, 1 000, 1 500 μmol/L） of methyl jasmonate were used to determine the activity of antioxidant enzymes, soluble protein, soluble sugar and other 7 physiological indexes in the leaves of 4 oil tea varieties. The results showed that 100 μmol/L methyl jasmonate spraying treatment was conducive to increase the activities of superoxide dismutase, peroxidase and catalase, effectively reducing malondialdehyde content, and increase the content of soluble proteins, soluble sugars and free proline in the leaves of oil tea seedlings.

Key words: methyl jasmonate, seedlings leaves of Camellia oleifera, spaying, physiological index

CLC Number:

S794.4

JIANG Yao, CHEN Wen-bo, LEI Zhi-min. Effects of methyl jasmonate on the physiology and biochemistry of seedlings leaves from Camellia Oleifera[J]. HUBEI AGRICULTURAL SCIENCES, 2024, 63(7): 78-82.

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