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. 2022 Nov 23;13:1037136. doi: 10.3389/fpls.2022.1037136

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Copyright © 2022 Li, Liu, Lv, Mi and Zhao

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Response of (A) net photosynthetic rate (P _n), (B) stomatal conductance (G _s) and (C) intercellular CO₂ concentration (C _i) to photosynthetic photon flux density (PAR) of oat leaves. CK, no Si application and no Pga inoculation; +Si-P, 1.5 mmol·L^–1 Si application and no Pga inoculation; -Si+P, no Si application and Pga inoculation; +Si+P, 1.5 mmol·L^–1 Si application and Pga inoculation.