PROGNOSTIC OF YIELD OF POTATOES OF PROMISING DOMESTIC VARIETIES UNDER THE IMPACT OF STRESS ABIOTIC FACTORS

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Resumo

Twenty four potato varieties (Solanum tuberosum L.) differing in ripening groups (early, middle-early and mid-season-ripening) were studied. Potatoes were grown in the conditions of the Middle Volga region of Russia. It was found statistically that the yield (t/ha) of early and mid-season-ripening varieties was negatively correlated with the increase in average temperatures during the growing season from May to August (R = –0.97, P = 0.04). Soil moisture content at a depth of 20 cm was positively correlated with the yield of middle-early varieties (R = 0.97, P = 0.04). A soil moisture content increase was beneficial to average tuber weight (R = 0.98, P = 0.04), but only in the middle-early and mid-season-ripening groups. However, the soil moisture content and the tuber numbers in mid-season-ripening varieties had a negative correlation (R = –0.96, P = 0.05).

Sobre autores

O. Rozentsvet

Samara Federal Research Scientific Center RAS, Institute of Ecology of the Volga River Basin RAS

Email: cornales@mail.ru
Russian Federation, Togliatti

E. Bogdanova

Samara Federal Research Scientific Center RAS, Institute of Ecology of the Volga River Basin RAS

Autor responsável pela correspondência
Email: cornales@mail.ru
Russian Federation, Togliatti

V. Nesterov

Samara Federal Research Scientific Center RAS, Institute of Ecology of the Volga River Basin RAS

Email: cornales@mail.ru
Russian Federation, Togliatti

A. Bakunov

Samara Federal Research Scientific Center RAS, Samara Scientific Research Agriculture Institute Named after N.M. Tulajkov

Email: cornales@mail.ru
Russian Federation, Bezenchuk

A. Milekhin

Samara Federal Research Scientific Center RAS, Samara Scientific Research Agriculture Institute Named after N.M. Tulajkov

Email: cornales@mail.ru
Russian Federation, Bezenchuk

S. Rubtsov

Samara Federal Research Scientific Center RAS, Samara Scientific Research Agriculture Institute Named after N.M. Tulajkov

Email: cornales@mail.ru
Russian Federation, Bezenchuk

N. Dmitrieva

Samara Federal Research Scientific Center RAS, Samara Scientific Research Agriculture Institute Named after N.M. Tulajkov

Email: cornales@mail.ru
Russian Federation, Bezenchuk

S. Shevchenko

Samara Federal Research Scientific Center RAS

Email: cornales@mail.ru
Russian Federation, Samara

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