Uman NUH | today: 05/17/2019

Environmental plasticity, stability and resistance to diseases of the varieties Phaseolus vulgaris L.

Author(s) Poltoretskiy S.P., Candidate of Agricultural Science, professor, Uman National University of Horticulture, Ukraine
Poltoretska N.M., Candidate of Agricultural Sciences, ,
Yatsenko A.A., Doctor of Agricultural Sciences, , Uman National University of Horticulture, Ukraine
Kravchenko V. S. , Candidate of Agricultural Sciences, , Uman National University of Horticulture, Ukraine
Bilonozhko V. Y. , Doctor of Agricultural Sciences, Profesor, Cherkassy National University named after Bohdan Khmelnytsky
Category The Agronomy
year 2019 issue Випуск 94 Частина 1
pages 17-26 index UDK УДК: 635.652:631.527
DOI 10.31395/2415-8240-2019-94-1-17-26 (Link)
Abstract Plant growing conditions are important in forming their resistance to various diseases. In nature, pathogens and plants are affected by the weather conditions that are constantly changing. The research objective was to determine the variability level and to identify the patterns of inheritance of valuable commercial-biological traits for the selection of productive and adaptive forms of common bean (Phaseolus vulgaris L.) by hybridologic analysis. The research was conducted during 2014–2016 in the conditions of the research plot of the Department of Plant Production, Selection and Bioenergetic Cultures of Vinnytsia National Agrarian University. The region of the research by its natural conditions refers to the central subzone of the Right Bank Forest-Steppe. The hydrothermal conditions of the 2014 and 2016 surveys were typical of the average yearly indices of the research area and the year 2015 was characterized by a significant deficiency of precipitation and high temperature air conditions. The research material were the varieties of common bean provided by the National Center for Plant Genetic Resources of Ukraine [3] and hybrid combinations obtained as a result of intervarietal crossings. Sowing was carried out by the temperature regime of soil 10–12 °С at the depth of seeding and stable increase of average daily air temperature. The placement of the plots was consistent, the varieties were sown in a six-time repetition. The wide-row sowing with a width of rows of 45 cm was used. The total area of the plots was 1.35 m², and the account one is 1.0 m². Sowing was carried out with the seeding rate of 18 similar seeds per 1 linear meter, the standard was placed in 10 numbers. The general adaptability of the common bean varieties for the research years was determined by regression coefficient (bi) and the stability variance (Sі2). Assessment of the morphological features variation was carried out by the variation coefficient (V, %). The ecological variation coefficient (Vе, %) was determined by the ratio of the average sign to its standard deviation. The determination of ultrastability (Nom) and agronomic stability coefficient (As) was made. Conclusions. As a result of the three year research, it was established that the highest resistance to bacteriosis had such varieties as UD0303601, UD0303526, UD0303543 and UD0303557. The varieties UD0303601, UD0303526 were resistant under adverse growing conditions; the highest resistance to bacterial wilding, including under adverse growing conditions, was provided by the varieties UD0300414, UD0301063 and UD0303543; according to the resistance to variegation the following varieties were selected: UD0303543, UD0303557, and UD0303610 (they were better under all growing conditions).
Key words common bean, variety, ecological plasticity, stability; disease resistance.
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