THE IMPACT OF PROTECTION SYSTEMS ON PHYTOSANITARY CONDITION OF SOWINGS AND PRODUCTIVITY OF THE SPRING BARLEY VARIETY “YAROMIR” IN THE RYAZAN REGION
https://doi.org/10.31367/2079-8725-2019-65-5-62-67
Abstract
The current study gives the results of 2-year field trails which tested three protection systems for the spring barley variety “Yaromir” to improve the phytosanitary condition of sowings and to increase productivity. It has been established that the studied protection systems effectively protected spring barley from harmful organisms from sprouting to harvesting. With a total number of weeds of 80 pcs/m2 in 2017 the effectiveness of the herbicides was 91–94%; and with a total number of weeds of 72 pcs/m2 in 2018 the effectiveness of these preparations was 92–95%. There has been evaluated fungicides’ impact on the development of dark brown and net spots. The effectiveness of the preparations through study years ranged from 89 to 92% for dark brown spots and from 80 to 85% for net spots. As a result of the analysis of spring barley productivity, it has been revealed that under the effect of protection systems there has been obtained an additional grain yield of 1.42, 1.46, 1.44 t/ha in 2017 and 1.29, 1.33, 1.26 t/ha in 2018. The analysis of the economic efficiency of the studied protection systems has shown that in 2017 a conditionally net income ranged from 1,000 to 3,650 rubles/ha, in 2018 it ranged from 5,780 to 7,636 rubles/ha, when 1 ton of spring barley grain cost 5 thousand rubles in 2017, and 9 thousand rubles in 2018.
About the Authors
V. Z. Venevtsev
ISA, branch of FSBSI FRAC ARIM
Russian Federation
Russian Federation
Candidate of Biological Sciences, leading researcher of the department for agriculture, chemicalization and plant protection
390502, Ryazan region, Ryazan district, v. of Podvyazie, 1
M. N. Zakharova
ISA, branch of FSBSI FRAC ARIM
Russian Federation
Russian Federation
senior researcher of the department for agriculture, chemicalization and plant protection
390502, Ryazan region, Ryazan district, v. of Podvyazie, 1
L. V. Rozhkova
ISA, branch of FSBSI FRAC ARIM
Russian Federation
Russian Federation
researcher of the department for agriculture, chemicalization and plant protection
390502, Ryazan region, Ryazan district, v. of Podvyazie, 1
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Review
For citations:
Venevtsev V.Z., Zakharova M.N., Rozhkova L.V. THE IMPACT OF PROTECTION SYSTEMS ON PHYTOSANITARY CONDITION OF SOWINGS AND PRODUCTIVITY OF THE SPRING BARLEY VARIETY “YAROMIR” IN THE RYAZAN REGION. Grain Economy of Russia. 2019;(5):62-67. (In Russ.) https://doi.org/10.31367/2079-8725-2019-65-5-62-67
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