3/23/2023 0 Comments Melida heights late bird![]() ![]() Transcriptome sequencing of the Antarctic vascular plant Deschampsia antarctica Desv. antarctica and unveils the lack of such a feature in D. caespitosa at low and medium temperatures, confirms a high degree of adjustability of the photosynthetic apparatus in D. Comparison of the P/E values, which were higher in D. The photosynthetic water-use efficiency (photosynthesis-to-transpiration ratio, P/E) emerges as an important factor demonstrating presence of mechanisms which facilitate functioning of a plant in non-optimal conditions. antarctica although the values obtained at 8 degrees C were similar in both species. caespitosa reached the maximum photosynthesis rate at a higher temperature than D. caespitosa has poorer performance in these conditions. These results indicate that the photosynthetic apparatus of D. antarctica, irrespective of the incubation temperature. The fluorescence half-rise times were almost always lower in D. caespitosa decreased during 4 d of incubation at 4 degrees C but it remained stable in D. Measurements of chlorophyll fluorescence showed that the photosystem II (PSII) quantum efficiency of D. antarctica) and to consider how the anticipated climate change may affect vitality of these plants. The aim of our work was to assess photosynthetic plasticity of two hairgrass species with different ecological origins (a temperate zone species, Deschampsia caespitosa (L.) Beauv. antarctica).Ä«ystrzejewska-Piotrowska, Grazyna Urban, Pawel L ![]() Tufted hairgrass ( Deschampsia caespitosa) exhibits a lower photosynthetic plasticity than Antarctic hairgrass (D. ![]()
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