scholarly journals Stability and Variability of Camelina sativa (L.) Crantz Economically Valuable Traits in Various Eco-Geographical Conditions of the Russian Federation

Agronomy ◽  
2021 ◽  
Vol 11 (2) ◽  
pp. 332
Author(s):  
Nina G. Kon’kova ◽  
Tatyana V. Shelenga ◽  
Gennadiy A. Gridnev ◽  
Alexandra G. Dubovskaya ◽  
Leonid L. Malyshev

C. sativa is a valuable oilseed; it has a wide nutritional and technical use. The purpose of this study is a comprehensive study of C. sativa collection accessions in various ecological and geographical conditions to determine the environmental stability parameters. C. sativa All-Russian Institute of Plant Genetic Resources (VIR) collection accessions served as a material source for the study. The study was conducted in four different ecological and geographical regions of the Russian Federation. In the factor structure of the environmental parameters variability two factors are identified covering 94.8% of the variability. The first factor is associated with the precipitation sum (PS) and the temperatures sum (TS) for the vegetation period (68.7%), the second factor is associated with the average daily temperature (TM) for the same period (26.1%). Analysis of the system of correlations between the parameters of stability and plasticity and the value of regression coefficients for meteorological indicators showed that for all the studied features, indicator b closely correlates with regression coefficients for the temperatures sum (TS) and average daily temperature (TM) for the vegetation period. Indicator Sd—with coefficients for the precipitation sum (PS) and average daily precipitation (PM). The result of the study made it possible to identify collection accessions of C. sativa with a high stable adaptability to the contrasting climatic conditions of the studied regions.

Author(s):  
М. І. Кулик ◽  
І. І. Рожко

З'ясовано вплив погодних умов веґетації на мінливість елементів продуктивності (висоти та густоти стеблостою) проса прутоподібного. Визначено вплив середньодобової температури повітря та суми опадів під час веґетації рослин на урожайність фітомаси культури в розрізі років дослідження. Наведено кореляційні залежності між кількісними показниками рослин (елементами продуктивності) третього–шостого років веґетації та урожайністю фітомаси проса прутоподібного. Встановлено, що урожайність сухої надземної веґетативної маси проса прутоподібного в більшій мірі обумовлюється кількістю стебел на одиницю площі у тісному взаємозв’язку із середньодобовою температурою повітря, в меншій мірі – висотою рослин та сумою опадів за веґетаційний період. The influence of weather conditions of vegetation on the variability of the elements of productivity (height and density of stems) of switchgrass is determined. The influence of average daily temperature of air and the amount of precipitation during vegetation of plants on the yield of phytomass of culture in terms of research years is determined. The correlation between quantitative indices of plants (elements of productivity) of the third–sixth years of vegetation and yield of phytomass of switchgrass is shown. It has been established that the yield of dry vegetative mass of switchgrass is largely determined by the number of stems per unit area in close correlation with the average daily temperature of air, to a less extent – the height of plants and the amount of precipitation during the vegetation period.


2020 ◽  
pp. 29-33
Author(s):  
Yu. B. Arzhenovskaya

The current stage of plant growing is characterized by varietal policies aimed at increasing the number of new varieties (hybrids) being bred for production. This feature of varietal diversity makes it possible to choose a variety (hybrid) for specific forecrops and soil-climatic conditions, a variety with specific adaptability, length of vegetation period and product quality. One of the largest regions of the maize sown area in Russia is the Rostov region, the conditions of which allow cultivating maize with different ripening periods. The current paper has presented the dynamics of the maize productivity in Russia and in the Rostov region. There has been conducted an analysis of sown maize hybrids and varieties in the Rostov region according to the year of including them into the State List of the Russian Federation. It has been determined that the largest number of maize hybrids was cultivated in 2018 from the number included into the State List of the Russian Federation for the period from 2009 to 2013 (52 pcs.), and in 2019 from the number included into the State List of the Russian Federation for the period from 2010 to 2014 (57 pcs.). There has been demonstrated a share of maize hybrids in the sown area depending on their time being in production. So, the hybrids that have been cultivated for 6–10 years occupied the largest share (44.6% in 2018; 52.6% in 2019). There have been identified the most popular maize hybrids cultivated in the Rostov region in 2018 and 2019. There has been calculated a share of domestic hybrids (varieties) in the sown areas and the cost advantage of domestic maize seeds.


2019 ◽  
Vol 5 (3) ◽  
pp. 49-54
Author(s):  
Andrey B. Gudkov ◽  
Igor G. Mosyagin ◽  
Olga N. Popova ◽  
Anatoliy A. Nebuchennykh ◽  
Fedor A. Shcherbina

Objective: to identify the features of the structure of the cardiac cycle among recruits of the Navy training center, who arrived from different climatic and geographical regions of the Russian Federation in the Arctic zone. Two groups of servicemen of 37 people were formed: the first group consisted of recruits from the southern regions of the Russian Federation, and the second — natives of the northern region. Each soldier was examined monthly for 5 months. To study the structure of the cardiac cycle, polycardiography was used, which included simultaneous recording of an electrocardiogram (ECG), phonocardiogram (PCG) and sphygmogram (SG) of the carotid artery. It was established that the duration of the asynchronous reduction (AS) phase for servicemen from the southern regions during the 5-month observation period only tended to decrease from 0,053±0,004 to 0,044±0,004 s, and starting from 3 months. In the group of servicemen-northerners, the duration of the AU phase during the observation period was statistically significantly reduced from 0,055±0,003 to 0,040±0,004 s, and in months 3, 4, and 5 from 22% to 27% (p<0,05). The stress period (T) in the systole of the ventricles in military personnel from the southern regions also remained almost unchanged, while in the military northerners it was statistically significantly reduced from 0,085±0,002 to 0,080±0,001 s, as well as the duration of the total (electromechanical) systole (So) from 0,372±0,004 to 0,358±0,006 s. Thus, when training at the Navy training center located in the AZ, for recruits-northerners the duration of the AC phase decreases after 2 months, and after 4 months the time T and the duration of So decrease, indicating the beginning of a more efficient work of the myocardium. For recruits from the southern regions of the Russian Federation, by the end of their studies, there is only a slight tendency towards a decrease in the AU phase, which indicates a less efficient work of the myocardium in comparison with the group of northerners.


Author(s):  
Kseniya Bulatova

The experiments were carried out in non-watering conditions of the forest-steppe of the middle Volga region in the fields of Samara Research Institute in 2016-2018. The purpose of the research is to study the features of grain yield formation in soybean varieties of different maturity groups in order to create new varieties of Volga ecotype with high and stable grain yield. The material for the study was 29 soybean varieties of different agroecotypes and maturity groups. Standard is Samer 3. Observations and records were carried out according to the generally accepted methodology. Meteorological conditions in 2016-2018 characterized as arid, the hydrothermal coefficient varied from 0.5 to 0.7. On average, over the years of testing, the studied varieties were classified as very early – with a vegetation period of 86…90 days (8 varieties) and early 91…109 days (21 varieties), including the Samer 3 standard, ripeness groups. The high grain yield over the years of testing was in the early ripeness group - 1.95 t/ha. The sum of active temperatures above 10°C (r=+0.993…+0.999) and the amount of precipitation (r=+0.845…+0.939) had a significant impact on the duration of vegetation of both groups of ripeness in all years. A significant influence of the hydrothermal coefficient and the average daily temperature on the duration of vegetation was, revealed in 2017 and 2018. The correlation of vegetation duration with the hydrothermal coefficient was r=-0.767…-0.977, and with an average daily temperature of r=-0.902…-0.970. Among the varieties of different groups of ripeness, high seed yields (2.00…2.21 t/ha) on average over the years of testing had: Oressa, Swapa, Samer 1, Lira, Cordoba, Lisbon, Malaga


2021 ◽  
Vol 16 (3) ◽  
pp. 211-223
Author(s):  
Sergei Noskov ◽  
◽  
Gennady Yeremin ◽  
Olga Mironenko ◽  
Ekaterina Fedorova ◽  
...  

Earth’s climate change and its adverse consequences are a global problem at the international level. On the territory of the Russian Federation, climatic conditions change approximately 2.5 times more intensively than on average on the planet, average annual temperatures are rising in all physical and geographical regions and federal districts. To solve this problem, the Russian Federation has ratified a number of international documents and developed measures to adapt to climate change. To improve social and hygienic monitoring, — dynamics of changes in air temperature, air velocity, relative air humidity, and atmospheric pressure are used as major indicators in climate assessment, bioclimatic indices being their integral assessment indicators. We can state with good reason that the forecast and meteorological factor effects on human body are the most important links in social and hygienic monitoring. Currently, in spite of many years of research, mechanisms, character and significance of this phenomenon remain largely uncertain. Absence of reliably identified consistent patterns restrains from further research to reveal subtle physiological mechanisms causing human body response to climatic changes.


Author(s):  
A. A. Baturin ◽  
V. A. Antonov ◽  
V. P. Smelyansky ◽  
K. V. Zhukov ◽  
V. F. Chernobay ◽  
...  

Submitted are the materials on epizootiology of West Nile Fever in birds, taking into account their migration. Described are the characteristics of WNF in wild and synanthropic birds. Ecological relationships between birds, mosquitoes, ticks and West Nile virus are analyzed. Main autumn bird migratory directions are characterized and the data on WNF monitoring in birds in different geographical regions of Russia are presented.


2022 ◽  
Vol 16 (4) ◽  
pp. 10-14
Author(s):  
Kseniya Bulatova

The experiments were carried out in non-watering conditions of the forest-steppe of the middle Volga region in the fields of Samara Research Institute in 2016-2018. The purpose of the research is to study the features of grain yield formation in soybean varieties of different maturity groups in order to create new varieties of Volga ecotype with high and stable grain yield. The material for the study was 29 soybean varieties of different agroecotypes and maturity groups. Standard is Samer 3. Observations and records were carried out according to the generally accepted methodology. Meteorological conditions in 2016-2018 characterized as arid, the hydrothermal coefficient varied from 0.5 to 0.7. On average, over the years of testing, the studied varieties were classified as very early – with a vegetation period of 86…90 days (8 varieties) and early 91…109 days (21 varieties), including the Samer 3 standard, ripeness groups. The high grain yield over the years of testing was in the early ripeness group - 1.95 t/ha. The sum of active temperatures above 10°C (r=+0.993…+0.999) and the amount of precipitation (r=+0.845…+0.939) had a significant impact on the duration of vegetation of both groups of ripeness in all years. A significant influence of the hydrothermal coefficient and the average daily temperature on the duration of vegetation was, revealed in 2017 and 2018. The correlation of vegetation duration with the hydrothermal coefficient was r=-0.767…-0.977, and with an average daily temperature of r=-0.902…-0.970. Among the varieties of different groups of ripeness, high seed yields (2.00…2.21 t/ha) on average over the years of testing had: Oressa, Swapa, Samer 1, Lira, Cordoba, Lisbon, Malaga


2020 ◽  
pp. 3-5
Author(s):  
Y. G. Zakharenko ◽  
N. A. Kononova ◽  
V. L. Fedorin ◽  
Z. V. Fomkina ◽  
K. V. Chekirda

The results of the work to create a complex of high-precision hardware for the unit of length reproduction and transferring carried out at “D. I. Mendeleyev Institute for Metrology (VNIIM)” are represented. This complex will serve as the basis for the further development of the reference base of the Russian Federation in the field of length measurements and will allow reproduction of the unit of length at two wavelengths of 633 nm and 532 nm, as well as measurements of the wavelength of laser sources in vacuum in the range from 500 to 1050 nm.


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