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Effect of retardants on morphophysiological index, productivity and dormant period of potato

Author(s) Rogach V. V. , PhD of Biological Sciences, Assistant of Professor of the Department of Biology, Vinnitsya State Pedagogical University after named Mychailo Kotsubinskyi
Poprotskaya I. V. , PhD of Biological Sciences, Senior Lecturer of the Department of Biology, Vinnitsya State Pedagogical University after named Mychailo Kotsubinskyi
Rogach T. I. , PhD of Agricultural Sciences, Senior Lecturer of the Department of Biology, Vinnitsya State Pedagogical University after named Mychailo Kotsubinskyi
Kuryata V. G. , Doctor of Biological Sciences, Professor, Head of the Department of Biology, Vinnitsya State Pedagogical University after named Mychailo Kotsubinskyi
Category Plant physiology
year 2015 issue №1
pages 51-55 index UDK [581.1:582.926.2]:661.162.65
DOI
Abstract It is set that the use of retardants are effective regulation of growth, morphogenesis, productivity and slowing the germination of tubers during storage products. The number of leaves per plant, weight of rаw and dry matter of leaves and their area increased because of better tillering for the actions of the drugs. That is one of the main preconditions enhance photosynthetic activity of plants. Changes of phytometric and mezostructure indexes of leaves and increase of chlorophyll content for the actions of the drugs contributed to the photosynthetic activity of leaf apparatus, because of that was increase of the net productivity of photosynthesis and increase productivity of the culture. The use retardant of tebuconazol was the most effective. Treatment retardants of potato tubers during the release of dormancy led to decrease in the intensity of germination, that contributes to the preservation of products.
Key words potato (Solanum tuberosum L.), morphogenesis, retardants, productivity, dormant period
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