2020
DOI: 10.1155/2020/4510275
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Leymus chinensis Tolerates Mowing Disturbance by Maintaining Photosynthesis in Saline-Alkali Heterogeneous Habitats

Abstract: Leymus chinensis is a perennial rhizomatous clonal plant with strong tolerance to mowing, grazing, drought, and salt-alkali. However, with patchy soil environment, how mowing affect the photosynthesis of L. chinensis in heterogeneous patches is largely unknown. In this experiment, we tested the effects of mowing intensity (0, 35%, and 70% removal of aboveground biomass) on plant photosynthesis under different heterogeneous patches with different saline-alkali soil. We found that moderate concentrations of salt… Show more

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Cited by 2 publications
(4 citation statements)
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“…previous studies (Bi et al, 2018). Clipping significantly reduced plant height, leaf area and weakened their photosynthetic capacity (Figure 3D), resulting in under-compensatory growth (Gao et al, 2012;Lu et al, 2020). In low saline-alkali heterogeneous patches, clipping had no significant effect on the biomass accumulation (Figures 2A-C), and similar findings were also reported in the study of grazing on Bromus ircutensis and Psammochloa villosa (Liu et al, 2009).…”
Section: Discussionsupporting
confidence: 82%
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“…previous studies (Bi et al, 2018). Clipping significantly reduced plant height, leaf area and weakened their photosynthetic capacity (Figure 3D), resulting in under-compensatory growth (Gao et al, 2012;Lu et al, 2020). In low saline-alkali heterogeneous patches, clipping had no significant effect on the biomass accumulation (Figures 2A-C), and similar findings were also reported in the study of grazing on Bromus ircutensis and Psammochloa villosa (Liu et al, 2009).…”
Section: Discussionsupporting
confidence: 82%
“…Rhizome internode buds can grow upward to form new ramets, and rhizome apical buds can grow horizontally to form new rhizomes, which contribute to the growth and expansion of plant population (Wang et al, 2022). Several studies have indicated that defoliation can promote the production of buds as a compensation for damage (Wang et al, 2004;Lu et al, 2020), but our results showed that clipping had no significant effects on the rhizome apical or internode buds in saline-alkali heterogeneous patches (Table 2; Figures 3C, F). Moderate clipping was up close to the intercalary meristems and young leaves, and it exerted stimulating effect on axillary bud output and led to the increase in the number of tillers (Liu et al, 2012).…”
Section: Discussioncontrasting
confidence: 67%
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