Effects of different growth regulators on cutting rooting of Cissus hexangularis

doi:10.14088/j.cnki.issn0439-8114.2021.16.021

Abstract

Abstract: In order to explore the effects of different concentrations of plant growth regulators on the cutting rooting of Cissus hexangularis, and to promote a large number of cutting propagation.The annual branches of Cissus hexangularis were used as experimental materials, and three growth regulators of different concentrations NAA, IAA and ABT were used to pretreat the cuttings of Cissus hexangularis. After 60 days, the rooting rate of cuttings, rooting number per plant, the longest root length of adventitious root, contents of soluble sugar, contents of soluble protein and peroxidase （POD） activity were measured. The results showed that all the three growth regulators could promote the cutting propagation of Cissus hexangularis. The comprehensive evaluation of cutting rooting of Cissus hexangularis with different concentrations of growth regulators showed that the optimum concentrations of ABT 100 mg/L, IAA 400 mg/L and NAA 100 mg/L were higher than the optimum concentration, which weakened the cutting rooting effect.

Key words: Cissus hexangularis, rooting of cuttage, growth regulator, physiological index

CLC Number:

LU Xiang-yun, ZHANG Yan-ling, DENG Rong-yan, YANG Mei. Effects of different growth regulators on cutting rooting of Cissus hexangularis[J]. HUBEI AGRICULTURAL SCIENCES, 2021, 60(16): 108-112.

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