Application of chlorophyll fluorescence performance indices to assess the wheat photosynthetic functions influenced by nitrogen deficiency.
By M. Živčák, K. Olšovská, P. Slamka, J. Galambošová, V. Rataj, H. Shao, Marian Brestic. 2018
124 citations recorded by the source corpus.
Nitrogen deficiency influences importantly the plant photosynthetic capacity and crop productivity. Here, we employed the rapid, non-invasive measurements of chlorophyll a fluorescence kinetics for calculation of the integrative fluorescence parameters related to the leaf photosynthetic performance. In pot experiments with winter wheat (Triticum aestivum L.) we cultivated plants during the whole growing period in the soil substrate supplied with four different doses of nitrogen. The leaf nitrogen and chlorophyll content as well as the plant dry mass were analyzed after chlorophyll fluorescence records in three growth stages. Our results indicate that the commonly used parameter F-v/F-m (the maximum quantum yield of photochemistry) was almost insensitive to nitrogen treatment. In contrary, the performance index (PIabs) and total performance index (PItot) were much more responsive and significant differences among plants of different nitrogen treatments as well as between the youngest and third leaf from the top were observed. Parameter PItot shown to express only small diurnal changes, thus being more reliable and more useful for comparison of different samples in field conditions than more frequently used parameter PIabs.
Subfields: Plant Science, Soil Science
View Paper: https://www.semanticscholar.org/paper/9d2a49dd3ba04170097af7915a651c8a98471d8a
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In Plant Science
- Marian Brestic
- M. Živčák
- Anjana Jajoo
- Vasilij Goltsev
- Richard J. Ladle
- Hazem M. Kalaji
- Izabela Łukasik
- I. Samborska
Citations in the corpus
- Chlorophyll a fluorescence as a tool to monitor physiological status of plants under abiotic stress conditions (2016, background): “This can be influenced composition of PSII antennae that have been changed due to mutations (Brestic et al. 2014) or environmental conditions (Zivcak et al. 2014a).”