Екологічна стабільність і пластичність сортів картоплі  на Поліссі

Е. Р. Ермантраут; З. Б. Києнко; В. М. Маційчук; О. М. Фещук

doi:10.21498/2518-1017.3-4(28-29).2015.58412

Authors

Е. Р. Ермантраут Zhytomyr National Agroecological University, Ukraine
З. Б. Києнко Zhytomyr National Agroecological University, Ukraine
В. М. Маційчук Zhytomyr National Agroecological University, Ukraine
О. М. Фещук Zhytomyr National Agroecological University, Ukraine

DOI:

https://doi.org/10.21498/2518-1017.3-4(28-29).2015.58412

Keywords:

variety, potato, productivity, ecological stability and flexibility, environmental studies, gomeostasis

Abstract

Purpose. Substantiating the selection of potato varieties for their ecological plasticity and stability to grow in Polissia. Methods. Field, laboratory, analitycal and statystical ones. Results. Impact of weather conditions during the growing season on the stability of potato varieties was estimated by indicators of yield, starch content and collection over the years by determining the average, standard deviation, minimum, maximum values and range of variation. ‘Memphis’, ‘Faluka’, ‘Arsenal’ and ‘Evolution’ were distinguished from the studied potato varieties by high genetic stability – their deviation from the average variance marked «minus» had values that were significantly less than zero. ‘Faktor’, ‘Flamenko’ and ‘Evora’ varieties are plastic (deviation is close to ±0), ‘Kolomba’, ‘Arizona’ and ‘Voliumiia’ ones – very plastic (deviation is most distant from zero). The studied varieties were distributed by homeostasis as follows: ‘Arizona’, ‘Colombo’, ‘Factor’ and ‘Memphis’ are the most valuable. Conclusions. ‘Evora’ potato variety can be considered intensive in terms of yield. ‘Evolution’ and ‘Flamenco’ varieties formed stable yields, during the years of study the difference between their maximum and minimum yields was the least – 8.2 and 9.3 tons per ha, respectively. Environmental assessment according to Eberhart and Russell indicates a high genetic stability of such potato varieties as ‘Arizona’, ‘Volyumiia’, ‘Kolombo’, ‘Evora’ and ‘Flamenko’. Conditions of Zhytomyr Oblast Plant Varieties Studying Centre are the most favorable among the studied regions to cultivate potato varieties.

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Author Biographies

Е. Р. Ермантраут, Zhytomyr National Agroecological University

E. R. Ermantraut

З. Б. Києнко, Zhytomyr National Agroecological University

Z. B. Kyienko

В. М. Маційчук, Zhytomyr National Agroecological University

V. M. Matsiichuk

О. М. Фещук, Zhytomyr National Agroecological University

O. M. Feshchuk

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