Effects of nitrogen additions on mesophyll and stomatal conductance in Manchurian ash and Mongolian oak.

ABSTRACT: The response of plant CO₂ diffusion conductances (mesophyll and stomatal conductances, g_m and g_sc) to soil drought has been widely studied, but few studies have investigated the effects of soil nitrogen addition levels on g_m and g_sc. In this study, we investigated the responses of g_m and g_sc of Manchurian ash and Mongolian oak to four soil nitrogen addition levels (control, low nitrogen, medium nitrogen and high nitrogen) and the changes in leaf anatomy and associated enzyme activities (aquaporin (AQP) and carbonic anhydrase (CA)). Both g_m and g_sc increased with the soil nitrogen addition levels for both species, but then decreased under the high nitrogen addition level, which primarily resul

SUBMITTER: Zhu K 

PROVIDER: S-EPMC7308411 | biostudies-literature | 2020 Jun

REPOSITORIES: biostudies-literature