Effects of different rooting agents on photosynthetic characteristics of Zelkova serrata

Bo Chen; Jinchao Shi; Xinyu Yang

doi:10.1117/12.2673929

4 April 2023 Effects of different rooting agents on photosynthetic characteristics of Zelkova serrata

Bo Chen, Jinchao Shi, Xinyu Yang

Proceedings Volume 12603, Biophysical Society of GuangDong Province Academic Forum: Precise Photons and Life Health (PPLH 2022); 1260307 (2023) https://doi.org/10.1117/12.2673929
Event: 2022 Biophysical Society of Guang Dong Province Academic Forum - Precise Photons and Life Health (PPLH 2022), 2022, Guangzhou, China

Abstract

To study the effects of different rooting agents on the photosynthetic characteristics of Zelkova serrata. After the shoots of Zelkova serrata were treated with different rooting agents, the photosynthetic rate, transpiration rate, intercellular carbon dioxide concentration and stomatal velocity of new leaves were measured; The daily variation of each index is analyzed according to the index data. After treatment with different rooting agents, the transpiration rate and stomatal conductance of Zelkova serrata were basically consistent with the net photosynthetic rate, and there was an obvious "midday rest" phenomenon, and there was a double peak curve, the peak values appeared at 10 o'clock and 14 o'clock respectively. Compared with pure photosynthetic rate, intercellular CO₂. The daily change of concentration is opposite to the pure photosynthetic rate and presents a single peak type, and the intercellular CO₂. The concentration was lower than that of the control group, and the light leaf beech treated with ABT 1 rooting agent showed the minimum trend and low peak value. This shows that different rooting agent treatments can improve the metabolism and physiological status of Zelkova serrata, and improve its photosynthetic capacity.

Citation Download Citation

Bo Chen, Jinchao Shi, and Xinyu Yang "Effects of different rooting agents on photosynthetic characteristics of Zelkova serrata", Proc. SPIE 12603, Biophysical Society of GuangDong Province Academic Forum: Precise Photons and Life Health (PPLH 2022), 1260307 (4 April 2023); https://doi.org/10.1117/12.2673929

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KEYWORDS

Photosynthesis

Equipment

Mode conditioning cables

Absorption

Breast

Forestry

Microorganisms

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