Anhui Agricultural Science Bulletin >
2025 , Vol. 31 >Issue 8: 37 - 40
DOI: https://doi.org/10.16377/j.cnki.issn1007-7731.2025.08.010
Effects of plant growth regulators on the growth of cuttings of adversity-resistant Chrysanthemum
Received date: 2024-10-28
Online published: 2025-04-28
To investigate the effects of plant growth regulators on the growth of cuttings of adversity-resistant Chrysanthemum,plant growth regulators were used to treat the cuttings of yellow-flowered and pink-flowered chrysanthemums with resistant conditions, and the yellow-flowered and adversity-resistant Chrysanthemum treated with clear water were used as the control (CK), the crown width, plant height above ground growth indicators, root length, root width and other underground growth indicators, above ground biomass and underground biomass were measured, principal component analysis and structural equation model analysis were conducted. The results showed that plant growth regulators can promote the growth and development of the plant. Compared with yellow flowers, pink flowers showed higher sensitivity to plant growth regulators. After treatment with plant growth regulator, the leaf number and root width of pink flower were increased by 16.3% and 23.2%, respectively, compared with yellow flower. Compared with CK, the aboveground biomass and underground biomass increased 1.3 times and 1.4 times, respectively. The response of aboveground part of pink flower and underground part of yellow flower were obvious to plant growth regulators. Principal component analysis showed that the aboveground biomass of adversity-resistant Chrysanthemum had obvious response to plant growth regulators. The structural equation model showed that the aboveground biomass was directly affected by crown width and leaf number, while the underground biomass of adversity-resistant Chrysanthemum was directly affected by root length.
ZHANG Ge , BAI Jiejie , CHEN Weiyu . Effects of plant growth regulators on the growth of cuttings of adversity-resistant Chrysanthemum[J]. Anhui Agricultural Science Bulletin, 2025 , 31(8) : 37 -40 . DOI: 10.16377/j.cnki.issn1007-7731.2025.08.010
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