COMPARATIVE ASSESSMENT OF THE QUANTITATIVE CONTENT OF THE MAIN PHOTOSYNTHETIC PIGMENTS IN THE LEAVES OF THE ENGLISH OAK OF THE FIELD–PROTECTIVE FOREST STRIPS
2022
Sautkina, M.Yu. (All–Russian Research Institute of Forest Genetics, Breedings and Biotechnology)
The article presents experimental results of a comparative assessment of the pigment complex of the leaves of the Englishoak growing in the protective forest strips of the Stone Steppe. It is shown that the maximum level of chlorophyll a content ischaracteristic of the leaves of oak trees of protective forest strip No. 131 and is equal to 3.02±0.09 mg/g a.d.m. In oak leaves offorest strip No. 226, the content of this pigment is 9.6% lower. It was found that there are no statistically significant differencesin the average content of chlorophyll b in the leaves of oak trees of the studied forest strips. It is shown that the content ofphotosynthetic pigments is an environmentally dependent indicator reflecting the vital state of plants, the nature of the ongoingphysiological processes, as well as the direction of adaptive reactions when exposed to stress factors.
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