Affect of Rhizotorphin on chlorophyll content and productivity of introduced soybean cultivars

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Abstract

Biotic nitrogen fi is a phenomenon mainly depended on mutualistic interrelation between host plant and root nodule bacteria. This interrelation affects photosynthesis and productivity of biological N-fixation and requires studies of biological particularities of grown legume cultivars and effectiveness of Bradyrhizobium strains used for seed inoculation. A field experiment was conducted on the territory of Nesvizhskaya Crop Testing Station (Minsk region, Republic of Belarus). Based on chlorophyll and nitrogen content in soybean leaves, number of nodules on roots of cultivars grown, and on quantity of nitrogen accumulated in plants, four soybean cultivars were assessed. The cultivar Pripyat (control) has poorly responded on inoculation, whereas cultivars Slavyankа an Sobrini responded well by increase of chlorophyll and nitrogen content in leaves and by larger number of root nodules. As a result, they produced unusually high seed yields. Therefore, these soybean cultivars may be recommended for wide use in regions of Belarus.

About the authors

Yulia Vladislavovna Tsvetkova

Russian Plant Quarantine Center; Рeoples’ Friendship University of Russia (RUDN University)

Author for correspondence.
Email: yutska@mail.ru

agronomist, laboratory of mycology, Russian Plant Quarantine Center, Master, Agrobiological Department, Agrarian and Technological Institute, Peoples’ Friendship University of Russia

Moscow Region, Russian Federation; Moscow, Russian Federation

Marina Ustimovna Lyashko

Рeoples’ Friendship University of Russia (RUDN University)

Email: nagvic@yandex.ru

Candidate of Biological Sciences, Associate Professor, Agrobiological Department, Agrarian and Technological Institute

Moscow, Russian Federation

Inna Ivanovna Strazhnikova

Nesvizhskaya Crop Testing Station

Email: strazhnikova.inna@mail.ru

Head of the Department of Testing Agricultural Plant Cultivars for Economic Utility

Minsk region, Republic of Belarus

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Copyright (c) 2020 Tsvetkova Y.V., Lyashko M.U., Strazhnikova I.I.

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