Effects of water flooding on color difference and physiological and biochemical indexes of Ilex cornuta ‘Oigon’ leaves

doi:10.14088/j.cnki.issn0439-8114.2021.15.015

Abstract

Abstract: The morphological, physiological and biochemical indexes of two-year-old Ilex cornuta ‘Oigon’ cuttings were studied by pot experiments under simulated flooding stress. The results showed that the effects of water flooding on leaf color and physiological and biochemical indexes were obvious. With the prolongation of water flooding time, the color of its leaves became dark, and the content of chlorophyll was in a mild and slightly increased state. The initial fluorescence F_o of leaves decreased obviously, and the maximum fluorescence F_m, PSII maximum photochemical efficiency F_v/F_m, PSII potential photochemical activity F_v/F_o decreased obviously. The content of soluble sugar, soluble protein and MDA increased gradually. After 180 days of water flooding, the germination rate was 20%. It is indicated that the adaptability of it to water flooding is stronger.

Key words: water flooding, Ilex cornuta ‘Oigon’, chromatic aberration, physiological and biochemical indexes

CLC Number:

ZHOU Yu-hua, GU Min-min. Effects of water flooding on color difference and physiological and biochemical indexes of Ilex cornuta ‘Oigon’ leaves[J]. HUBEI AGRICULTURAL SCIENCES, 2021, 60(15): 76-81.

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