Effect of Different Substrate Formula on Photosynthesis and Chlorophyll Fluorescence Characteristics of Koelreuteria Bipinnata Seedlings

Authors

  • Jundi Zhong Life Science and Technology School, Lingnan Normal University, Zhanjiang, Guangdong, 524048, China
  • Zuxian Li Life Science and Technology School, Lingnan Normal University, Zhanjiang, Guangdong, 524048, China
  • Simin Huang Life Science and Technology School, Lingnan Normal University, Zhanjiang, Guangdong, 524048, China
  • Huixin Yin Life Science and Technology School, Lingnan Normal University, Zhanjiang, Guangdong, 524048, China
  • Jiayuan Wang Life Science and Technology School, Lingnan Normal University, Zhanjiang, Guangdong, 524048, China

DOI:

https://doi.org/10.54691/mtrq5h87

Keywords:

Organic Matrix; Koelreuteria Bipinnata; Substrate Formula; Photosynthesis; Chlorophyll Fluorescence Characteristics.

Abstract

Applying the statistical method of Simplex Centre and according to the volume ratio=2:1 of organic and inorganic matrix, 15 treatments were mixed by different proportions of four mixed-substrates including SA( Vcorn-cob: Vchicken manure=1:1), SB( Vbagasse: Vchicken manure=1:1) , SC( Vcoconut fibre: Vchicken manure=1:1)  and SD( Vpeanut shells: Vchicken manure=1:1), with inorganic medium composed of vermiculite and perlite at the volume ratio of 1:1. Taking latosol, latosol plus compound fertiliser and Vpeat:Vvermiculite:Vperlite=4:1:1 as the control groups. The hotosynthesis and chlorophyll fluorescence characteristicsof Koelreuteria bipinnata seedling were investigated to study the the effects of different substrate formulations on the growth of Koelreuteria bipinnata seedling, and then to screen the best culture medium formula for Koelreuteria bipinnata. The results showed that total content chlorophyll of Koelreuteria bipinnata seedlings on treatment 13 suhstrate was more than other substrates. The photosynthetic parameters such as Pn((10.89±1.27)μmol•m-2•s-1), Gs((0.160±0.035)mol•m-2•s-1)and the chlorophyll fluorescence parameters such as Fv/Fm(0.97±0.01), Fv’/Fm’(0.67±0.03), ФPSII (0.34±0.07) and ETR(146.29±14.26)of Koelreuteria bipinnata seedlings on treatment 13 suhstrate were higher than other substrates, but the parameters of Ls(0.18±0.97)and NPQ(2.19±0.37)were lower. However, The Photosynthetic and chlorophyll fluorescence parameters such as Pn, Gs and, Fv/Fm, Fv’/Fm’, ФPSII, and ETR of Koelreuteria bipinnata seedlings on treatment 14 and 15 suhstrate were lower. We can draw the conclusion that Treatment 13 is the best substrate for the growing of Koelreuteria bipinnata seedlings, which can substitute non-renewable resources of peat.

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References

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Published

2026-07-21

Issue

Vol. 8 No. 7 (2026)

Section

Articles

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How to Cite

Zhong, J., Li, Z., Huang, S., Yin, H., & Wang, J. (2026). Effect of Different Substrate Formula on Photosynthesis and Chlorophyll Fluorescence Characteristics of Koelreuteria Bipinnata Seedlings. Scientific Journal of Technology, 8(7), 16-28. https://doi.org/10.54691/mtrq5h87