Patyka V. P., Guliaieva G. B., Butsenko L. M., Scherbyna T. M., Osypenko B. O., Pasichnyk L. A.
Pages: 27-31.

Full article: 

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Abstract

The purpose. To study comprehensively physiological features of action of the causal organism of basal bacteriosis on state, photochemical activity of photosynthetic apparatus, and also activity of antioxidatic ferments of plants of wheat. Methods. Microbiological, physiological, biochemical, statistical. Results. Data on heightening the level of antioxidatic activity of leaves of wheat are generalized: increase of catalase and peroxidase activity of plants of spring wheat in a tillering stage, infected by the causal organism of basal bacteriosis. Inhibiting action of Pseudomonas syringae pv. atrofaciens on the photosynthetic apparatus of plants of spring wheat of grade Pecherianka — decrease of the content of pigments in leaves (chlorophyll pigment a, b and carotenoids) is revealed. The method of induction of fluorescence of chlorophyll pigment displays depressing actinism of leaves that result in lowering of efficiency of dark reactions of photosynthesis. Conclusions. Becoming infected by the causal organism of basal bacteriosis P. syringae pv. atrofaciens results in increase of activity of ferments antioxidatic protection (catalase and peroxidase) for 11-th day from the beginning becoming infected, essential cutting of pigment content of leaves of the infected plants of spring wheat (chlorophyll pigment a, b and carotenoids), and also in lowering of efficiency of dark phase of photosynthesis.

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Key words: Triticum aestivum L., spring wheat, Pseudomonas syringae pv. atrofaciens, catalase, peroxidase, pigments, induction of fluorescence of chlorophyll pigment.

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