Physiological and Biochemical Parameters of Leaves for Evaluation of the Potato Yield

Olga Rozentsvet, Elena Bogdanova, Viktor Nesterov, Alexey Bakunov, Alexey Milekhin, Sergei Rubtsov and Nadezhda Dmitrieva
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Olga Rozentsvet: Samara Federal Research Scientific Center RAS, Institute of Ecology of the Volga Basin RAS, 10, Komzina, 445003 Togliatti, Russia
Elena Bogdanova: Samara Federal Research Scientific Center RAS, Institute of Ecology of the Volga Basin RAS, 10, Komzina, 445003 Togliatti, Russia
Viktor Nesterov: Samara Federal Research Scientific Center RAS, Institute of Ecology of the Volga Basin RAS, 10, Komzina, 445003 Togliatti, Russia
Alexey Bakunov: Samara Federal Research Scientific Center RAS, Samara Scientific Research Agriculture Institute Named after N.M. Tulajkov, 446254 Bezenchuk, Russia
Alexey Milekhin: Samara Federal Research Scientific Center RAS, Samara Scientific Research Agriculture Institute Named after N.M. Tulajkov, 446254 Bezenchuk, Russia
Sergei Rubtsov: Samara Federal Research Scientific Center RAS, Samara Scientific Research Agriculture Institute Named after N.M. Tulajkov, 446254 Bezenchuk, Russia
Nadezhda Dmitrieva: Samara Federal Research Scientific Center RAS, Samara Scientific Research Agriculture Institute Named after N.M. Tulajkov, 446254 Bezenchuk, Russia

Agriculture, 2022, vol. 12, issue 6, 1-13

Abstract: The aim of the study was to investigate the morphological, physiological, and biochemical parameters of leaves to evaluate the yield of Solanum tuberosum L. We conducted 3-year experiments with 24 varieties of potatoes, differing in ripeness groups (early ripening, mid-early ripening and mid ripening). Plant height, linear dimensions, number of stomata per unit leaf area as well as content of pigments, proline, membrane lipids and proteins, and the level of lipid per oxidation in the leaves of each variety were investigated. A 3D modeling method showed the yield of early varieties negatively correlated with an increase in temperatures (R = –0.97). The soil moisture content positively correlated with the yield of medium-early varieties (R = 0.97). The soil moisture content and the tuber numbers in mid-season varieties had a negative correlation (R = –0.96). The regulation mechanisms of processes in cells depend on the ripening time of a variety. In order to increase productivity and to improve the potato quality, it is necessary to take into account the peculiarities of the regional climatic conditions and use the varieties of a certain ripening group. Our data refine the understanding of the relationship between the potato above-ground mass and the yield of tubers.

Keywords: Solanum tuberosum L.; arid climate; adaptation; morphological; physiological and biochemical parameters; yield (search for similar items in EconPapers)
JEL-codes: Q1 Q10 Q11 Q12 Q13 Q14 Q15 Q16 Q17 Q18 (search for similar items in EconPapers)
Date: 2022
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