Evaluation of new rice genotypes of Kuban breeding in conditions of environmental testing in the Republic of Adygea

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Abstract


In solving the problems of modern rice growing associated with yield increase, resource/energy efficiency and profitability, development of new varieties and their timely introduction into production as a result of close cooperation of scientists and production workers is central. In this regard, the assortment of rice varieties of Kuban breeding is annually replenished with more productive ones having increased resistance to adverse biotic, abiotic and anthropogenic factors, technologization and energy supply during cultivation, and different cooking characteristics. Crop productivity is one of the main value indicators and the main requirement of production. It consists of number of plants per unit area and productivity of each of them. Therefore, in order to evaluate rice varieties and determine their suitability for cultivation in this agroclimatic zone, it is necessary to consider important agronomic traits and their variability during a certain time. The article presents the results of environmental testing of 20 rice varieties over three years (2016-2018). The variability of yield and number of productive stems per unit area in varieties was determined. The average and weak inter-varietal variability of productive plant stand (13.9; 10.3 and 13.5%) and yield (12.4; 9.2 and 9.9%) during the research period determines the optimal level of agricultural farming. The varieties that have formed a significantly high yield with its insignificant variability are recommended for cultivation in conditions of the Republic of Adygea.


About the authors

Ruslan Ramazanovich Dzhamirze

Federal rice research center

Author for correspondence.
Email: dzhamirze01022010@yandex.ru
Krasnodar, Russian Federation

Candidate of Agricultural Sciences, senior researcher at the selection department

Nadezhda Vasilievna Ostapenko

Federal rice research center

Email: ostapenko30071954@yandex.ru
Krasnodar, Russian Federation

Candidate of Agricultural Sciences, Leading Researcher, Breeding Department

Natalya Nikolaevna Chinchenko

Federal rice research center

Email: chinchenko1969@yandex.ru
Krasnodar, Russian Federation

postgraduate student, Selection Department

References

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Copyright (c) 2020 Dzhamirze R.R., Ostapenko N.V., Chinchenko N.N.

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