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INFLUENCE OF NORMS AND METHODS OF PLANT GROWTH REGULATOR VERMYSTYM APPLICATION ON QUALITY INDICATORS AND PRODUCTIVITY OF POTATO

Author(s) Broschak I. S., PhD of Agricultural Sciences, Senior Fellow, Director Ternopil Branch of State Institution «Soils Protection Institute of Ukraine», Ternopil Branch of State Institution «Soils Protection Institute of Ukraine»
Pyda S.V., Doctor of Agricultural Sciences, professor, Head of botany and zoology, Ternopil Volodymyr Hnatiuk National Pedagogical University (c. Ternopil), Ukraine
Brovko O. Z., , Head of the Laboratory of GIS Data Processing and Experimental Studies, Ternopil Branch of State Institution «Soils Protection Institute of Ukraine»
Dziaba G. M., , Head of the Laboratory of Ecological Safety of Land, Environment and Quality Control, Ternopil Branch of State Institution «Soils Protection Institute of Ukraine»
Category Plant physiology
year 2016 issue №1, 2016
pages 76-81 index UDK УДК 635.21:631.811
DOI
Abstract The article investigates the effect of different norms and methods of plant growth regulator Vermystym application on plant height, number of stems in a bush, stand density, yield and quality of two varieties of potato tubers. It is found that pre-planting cultivation of potato tubers with Vermystym in a dose of 8 l/t and double spraying of potato tops of mid-season potato variety Roko and middle-late potato variety Picasso in periods of bud-formation and blooming at a rate of 14l/ha increased the number of stems, average potato weight yield, and the content of dry matter and starch. According to the conducted research, an environmentally-friendly potato production gain method is developed.
Key words potato, plant growth regulator, yield, quality
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