Rice breeding on salt tolerance
https://doi.org/10.31367/2079-8725-2019-61-1-22-27
Abstract
Salt tolerance of rice is of great importance in agricultural production, since productivity of grain grown on saline lands largely depends on it. The paper deals with determining the presence of salt tolerance gene “Saltol” in rice hybrids obtained from crossing contrasting samples. To analyze salt tolerance, there were used seeds germinated in cups with distilled water and 1.5% NaCl solution, after which 10-day-old seedlings were weighed and their ratio to the control was determined. As a result of studies, there have been identified salt tolerant lines carrying the gene “Saltol” in a homozygous state. In the control nursery there were studied the best samples on productivity and elements of its structure. Two lines “7328” and “7322” were selected from the hybrid IR 52713-2B-8-2B-1-2 x Novator which significantly exceeded the standard variety “Yuzhanin” on 0.57-1.28 t/ha. On average for 2 years, they produced 6.82-7.53 t/ha (6.25 t/ha of the standard variety).
About the Authors
P. I. Kostylev
FSBSI Agricultural Research Center “Donskoy”
Russian Federation
Russian Federation
Doctor of Agricultural Sciences, professor, leading researcher of the laboratory of ice breeding and seed-growing.
347740, Rostov region, Zernograd, Nauchny Gorodok, 3
E. B. Kudashkina
FSBSI Agricultural Research Center “Donskoy”
Russian Federation
Russian Federation
Post-graduate student.
347740, Rostov region, Zernograd, Nauchny Gorodok, 3
E. V. Krasnova
FSBSI Agricultural Research Center “Donskoy”
Russian Federation
Russian Federation
Candidate of Agricultural Sciences, head of the laboratory of ice breeding and seed-growing.
347740, Rostov region, Zernograd, Nauchny Gorodok, 3
N. N. Vozhzhova
FSBSI Agricultural Research Center “Donskoy”
Russian Federation
Russian Federation
Candidate of Agricultural Sciences, leading researcher of the laboratory of marker breeding.
347740, Rostov region, Zernograd, Nauchny Gorodok, 3
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Review
For citations:
Kostylev P.I., Kudashkina E.B., Krasnova E.V., Vozhzhova N.N. Rice breeding on salt tolerance. Grain Economy of Russia. 2019;(1):22-27. (In Russ.) https://doi.org/10.31367/2079-8725-2019-61-1-22-27
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