scholarly journals Influence of innovative forms of fertilizers on the adaptive potential of tea plants

2021 ◽  
pp. 23-28
Author(s):  
A. G. Lagoshina ◽  
E. K. Pchikhachev ◽  
O. G. Belous
Keyword(s):  
Bound Water ◽  
Climatic Conditions ◽  
Stress Factors ◽  
Main Element ◽  
Research Centre ◽  
Winter Period ◽  
Protection Mechanism ◽  
Tea Plants ◽  
Quality Of Products ◽  
Academy Of Sciences

The article is dedicated to the search for effective ways to regulate the functional state of tea plants under stress that ensure an increase in yield and its stability in varying climatic conditions, preserving and improving the quality of products (finished tea). The research was carried out during 2019-2020 on the basis of the Adygeya Branch of the Federal Research Centre “The Subtropical Scientific Centre of the Russian Academy of Sciences” on tea plants of the Kimyn variety population. It is shown that the winter period can be considered comfortable for the tea culture, while in the summer the plants regularly suffer hydrothermal stress. During the action of stress factors in the period of summer depression, in the pre-winter months (October-November), on variants with foliar treatments with innovative forms of fertilizers, there was a slight increase in bound water, active formation of proline and ascorbic acid in physiologically mature tea leaves. The use of innovative forms of fertilizers is an element of activation of the nonspecific protection mechanism and can become the main element of the technology of cultivation of tea plants.

scholarly journals New varieties and promising hybrids of Pelargonium grandiflorum hybridium hort. in humid subtropics of Russia

2021 ◽  
pp. 5-9
Author(s):  
N. M. Gutieva
Keyword(s):  
Climatic Conditions ◽  
Stress Factors ◽  
Research Centre ◽  
Adaptive Selection ◽  
Flower Production ◽  
New Varieties ◽  
Academy Of Sciences ◽  
Ornamental Traits ◽  
Humid Subtropics ◽  
Selection Of

A genetic collection of the genus Pelargonium L’Herit. ex Ait., with 40 % stock represented by Pelargoniumgrandiflorum hybridium hort., is originated at the Federal Subtropical Research Centre of the Russian Academy of Sciences. The main collection varieties, including Aristo, Elegance, Candy Flowers, Hazel and Bermuda, are foreign selections attaining their best qualities under optimal soil and climatic conditions. Cultivation in humid subtropics disturbs their growth and development, at the same time as deteriorating their productivity and ornamental value. The research aimed to study the hybrid stock towards the selection of hardiest, most ornamental and long-flowering forms corresponding to a specified variety model. The variety model developed for Russian subtropic agroclimate incorporated a main set of economically valuable and adaptively significant traits. Over 30 varietal crossbreedings have been conducted to select for promising recombinants and hybrid families. A high variability of phenotypic ornamental traits has been observed in the crosses offspring. We identified 15 promising hybrids from the total morphological trait combination. Adaptive selection against stress factors has been proved effective. The most successful combinations were Hazel Ripple x Yashma, Hazel Cherry x Rozovyy Briz and A. Darling x Rozovyy Briz. A subset of elite forms (Kd-15-43, Kr-16-28 and Kc-18-22) maximising the number of significant breeding traits have further been selected towards a higher total score (≥95). K.j.-17-15, Kq-18-04 and K.ya-16-03 were recognised promising for large-flowered form selection. The Yagodnyy Tsvet variety, Kv-18-01 and K.d.-18-09 hybrids (over 35 inflorescences) have been identified as sources for high flower production. K.p-17-65, Kr-16-28 and Kc-18-22 were the hybrids with flowering period exceeding 100 days. All crosses were based on Hazel as a maternal form sourcing the trait.

scholarly journals ADAPTIVE ABILITIES OF CHERRY OF TURGENEVKA VARIETY IN THE CONDITIONS OF EXTREME CONTINENTAL CLIMATE OF THE ASTRAKHAN REGION

2021 ◽  
Vol 250 ◽  
pp. 103-108
Author(s):  
E.N Ivanenko ◽  
◽  
A.A. Dronik ◽  
Keyword(s):  
Arid Zone ◽  
Seed Stock ◽  
Stress Factors ◽  
Winter Period ◽  
Scientific Center ◽  
Early Maturity ◽  
Abiotic Stress Factors ◽  
Initial Stage ◽  
Academy Of Sciences ◽  
Continental Climate

The article presents results of the first stage of the study of the introduced Turgenevka cherry variety on stocks of different growth rates under the conditions of extreme continental climate of the Northern Caspian region to substantiate its use in intensive planting of the arid zone. The aim of our research is to study the economic and biological characteristics and adaptability of Turgenevka variety to the abiotic stress factors of the winter period, which appear on the territory of the Astrakhan region. The study was carried out at the experimental field of the Caspian Agrarian Federal Scientific Center of the Russian Academy of Sciences. The records and observations were carried out in 2017-2020, in triple replication. The experiment plot was laid down in 2017. The research material is the introduced Turgenevka cherry variety. As a result of the research, the influence of stocks on periods of the main phenological phases, biometric parameters of trees, productivity, early maturity and quality of cherry fruits was revealed. At the initial stage of plant growth and development, it was found that clonal stocks slightly accelerate the start of growth and flowering of the grafted trees in comparison with the trees on seed stock. Turgenevka variety is characterized by a more restrained tree growth (1.5 m ) on a well-grown seed stock (mahaleb cherry). Mahaleb cherry stock also has a positive effect on early maturity of the variety. The largest fruits, 5.7 g, were formed on VTs-13 stock. The tasting score of the fruit was 4.5 points. A complex assessment of the variety resistance to diseases and pests was carried out. The influence of the stock on chemical fruit composition was not revealed. Turgenevka variety showed good resistance to unfavorable environmental factors.

scholarly journals Influence of Plum Rootstocks on the Content of Reducing Sugars in the Annual Shoots of Cultivar ‘Kubanskaya Kometa’

2014 ◽  
Vol 32 (1) ◽  
pp. 9-16 ◽  
Author(s):  
Dzintra Dēķena ◽  
Heljo Jänes ◽  
Ina Alsiņa
Keyword(s):  
Reducing Sugars ◽  
Dry Weight ◽  
Climatic Conditions ◽  
Reducing Sugar ◽  
Research Centre ◽  
Winter Period ◽  
Freezing And Thawing ◽  
Physiological Factor ◽  
Prunus Cerasifera ◽  
Horticultural Research

Abstract The lack of suitable plum rootstocks for Baltic conditions has become a problem during recent years due to changing climatic conditions. Rapid temperature fluctuations between freezing and thawing are occurring more frequently. The winter-hardiness of rootstocks is essential for overwintering of trees in such conditions. The content of accumulated reducing sugars is an important physiological factor influencing wintering ability of trees. The dynamics of reducing sugars was investigated during two winter seasons (2010/2011 and 2011/2012) in one-year-old ‘Kubanskaya Kometa’ (Prunus x rossica Erem.) hybrid plum shoots from two orchards planted in 2001 at Pūre Horticultural Research Centre (Latvia) and Polli Horticultural Research Centre (Estonia). Cultivar ‘Kubanskaya Kometa’ was grafted on eight clonal rootstocks: ‘St. Julien A’, ‘Brompton’ cuttings, ‘Ackermann’, ‘Pixy’, GF8/1, G5/22, GF655/2, ‘Hamyra’ and eight seedling rootstocks: ‘St. Julien INRA 2’, ‘St. Julien d’Orleans’, ‘St. Julien Noir’, ‘Brompton’ seedlings, ‘Wangenheims Zwetsche’, ‘St. Julien Wädenswill’, ‘Myrobаlan’ and Prunus cerasifera var. divaricata. Trees were planted at 5×3 m spacing in four replications per rootstock with three trees per plot. Shoot samples were harvested five times during the winter period. The concentration of reducing sugars (mg g-1 dry weight) was determined with Bertran’s method. Significant differences in concentration of reducing sugar were found between samples coming from different locations and in two seasons. The maximum concentration of reducing sugar was found in December or January depending on growing location and meteorological conditions

Oleg L. Kuznetsov (to the mire scientist’s anniversary)

2012 ◽  
pp. 145-146
Author(s):  
O. V. Galanina
Keyword(s):  
Biological Sciences ◽  
Research Centre ◽  
Russian Academy Of Sciences ◽  
Academy Of Sciences

On February 18, 2012 our colleague — doctor biological Sciences, head of Laboratory for mire ecosystems of Institute of biology of Karelian research centre of Russian Academy of Sciences Oleg L. Kuznetsov 60 years old.

scholarly journals Jute Responses and Tolerance to Abiotic Stress: Mechanisms and Approaches

Plants ◽  
2021 ◽  
Vol 10 (8) ◽  
pp. 1595
Author(s):  
Khussboo Rahman ◽  
Naznin Ahmed ◽  
Md. Rakib Hossain Raihan ◽  
Farzana Nowroz ◽  
Faria Jannat ◽  
...  
Keyword(s):  
Abiotic Stress ◽  
Stress Responses ◽  
Growth Yield ◽  
Climatic Conditions ◽  
Stress Factors ◽  
Growth Physiology ◽  
Abiotic Stress Factors ◽  
Hot And Humid Climates ◽  
Adverse Environmental Conditions ◽  
Cold Metal

Jute (Corchorus spp.) belongs to the Malvaceae family, and there are two species of jute, C. capsularis and C. olitorious. It is the second-largest natural bast fiber in the world according to production, which has diverse uses not only as a fiber but also as multiple industrial materials. Because of climate change, plants experience various stressors such as salt, drought, heat, cold, metal/metalloid toxicity, and flooding. Although jute is particularly adapted to grow in hot and humid climates, it is grown under a wide variety of climatic conditions and is relatively tolerant to some environmental adversities. However, abiotic stress often restricts its growth, yield, and quality significantly. Abiotic stress negatively affects the metabolic activities, growth, physiology, and fiber yield of jute. One of the major consequences of abiotic stress on the jute plant is the generation of reactive oxygen species, which lead to oxidative stress that damages its cellular organelles and biomolecules. However, jute’s responses to abiotic stress mainly depend on the plant’s age and type and duration of stress. Therefore, understanding the abiotic stress responses and the tolerance mechanism would help plant biologists and agronomists in developing climate-smart jute varieties and suitable cultivation packages for adverse environmental conditions. In this review, we summarized the best possible recent literature on the plant abiotic stress factors and their influence on jute plants. We described the possible approaches for stress tolerance mechanisms based on the available literature.

Physico-chemical parameters of the best varieties of peach in the subtropics of Russia

2021 ◽  
Author(s):  
Yu.S. Abilfazova ◽  
Keyword(s):  
Scientific Research ◽  
Stress Factors ◽  
Research Center ◽  
Chemical Parameters ◽  
Subtropical Zone ◽  
Russian Academy Of Sciences ◽  
Federal Research ◽  
Physico Chemical ◽  
Resistance To Stress ◽  
Academy Of Sciences

the characteristic the best varieties peach plants cultivated in the subtropical zone Krasnodar Territory is given. The study collection plantations peach in the subtropical zone Krasnodar Territory has been carried out since 2009 at the Federal Research Center Scientific Research Center of the Russian Academy of Sciences. The results of many years of research have identified the best peach varieties (Redhaven, Favorita Morettini, Larisa, Medin red, Veteran, Fayet), distinguished by resistance to stress factors and high palatability of the fruits.

LIBRARIES OF SCIENTIFIC INSTITUTIONS OF THE NATIONAL ACADEMY OF SCIENCES OF UKRAINE IN THE CONDITIONS OF DIGITALIZATION

2020 ◽  
Author(s):  
O. Z. Klymenko ◽  
O. L. Sokur
Keyword(s):  
Information Technologies ◽  
Professional Community ◽  
Economic Benefits ◽  
Information Industry ◽  
National Academy Of Sciences ◽  
Scientific Institutions ◽  
Quality Of Products ◽  
National Information ◽  
Academy Of Sciences ◽  
Implementation Of Innovations

The priority for the national library and information industry is to unite the efforts of the professional community in the formation of an integrated national information environment. Using of integrated information resources leads to improved quality of products and services; effective implementation of innovations leads to economic benefits, contributes to the development of the national cultural space. At the present stage, the only way for the libraries of scientific institutions of the National Academy of Sciences of Ukraine to be active is the introduction of information technologies and the creation of telecommunication environment, which significantly expands the traditional library activity.

Monitoring the Variability of the Stratospheric Aerosol Layer over Tomsk in 2016–2018 Based on Lidar Data

2021 ◽  
pp. 61-72
Author(s):  
V. N. Marichev ◽  
◽  
D. A. Bochkovskiia ◽  
Keyword(s):  
Volcanic Eruptions ◽  
Temperature Inversion ◽  
Cold Season ◽  
Stratospheric Aerosol ◽  
Single Frequency ◽  
Winter Period ◽  
Lidar Data ◽  
Aerosol Layer ◽  
Time Data ◽  
Academy Of Sciences

The results of observations of the features of intraannual variability for the vertical structure of background aerosol in the stratosphere over Western Siberia in 2016–2018 are presented and analyzed. Experimental data were obtained at the lidar complex of Zuev Institute of Atmospheric Optics (Siberian Branch, Russian Academy of Sciences) with a receiving mirror diameter of 1 m. The objective of the study is to investigate the dynamics of background stratospheric aerosol, since during this period there were no volcanic eruptions leading to the transport of eruptive aerosol into the stratosphere. The results of the study confirm a stable intraannual cycle of maximum aerosol filling of the stratosphere in winter, a decrease in spring to the minimum, practical absence in summer, and an increase in autumn. At the same time, the variability of stratification and aerosol filling is observed for different years. It was found that aerosol is concentrated in the layer up to 30 km all year round, except for the winter period. It is shown that the vertical aerosol stratification is largely determined by the thermal regime of the tropo- sphere–stratosphere boundary layer. The absence of a pronounced temperature inversion at the tropopause contributes to an increase in the stratosphere–troposphere exchange and, as a result, to the aerosol transport to the stratosphere. This situation is typical of the cold season. For the first time, data on the quantitative content of stratospheric aerosol (its mass concentration) were obtained from single- frequency lidar data.

scholarly journals Growth of plants and productivity of corn in cold climate

2019 ◽  
pp. 19-23
Author(s):  
T. K. Golovko ◽  
И. В. Далькэ ◽  
G. T. Shmorgunov ◽  
A. F. Triandafilov ◽  
A. G. Tulinov
Keyword(s):  
Komi Republic ◽  
Climatic Conditions ◽  
Matter Content ◽  
Cold Climate ◽  
Dry Matter Content ◽  
Corn Hybrids ◽  
Green Mass ◽  
Early Ripening ◽  
Rate Of Photosynthesis ◽  
Academy Of Sciences

Under conditions of a relatively cool and humid growing season in the central agro-climatic region of the Komi Republic, corn is not inferior in terms of growth rate and photosynthetic activity, traditionally cultivated under the conditions of the northern Non-Black Earth region crops. The purpose of the research is to study the possibility and prospects of growing early ripe corn hybrids in the soil and climatic conditions of the Komi Republic. Field experience was established on the basis of the Institute of Agriculture of Komi Science Centre of the Ural Branch of the Russian Academy of Sciences in 2016-2017 on an area of 1.6 hectares. In 2016, 6 varieties of corn were studied, and in 2017, in addition to them, another 15. Thus, out of 21 varieties and hybrids, 7 varieties were selected for further study. The article presents the results of a preliminary study of the ecological testing of early-ripening hybrids of corn when cultivating them in agroclimatic conditions of the Komi Republic. The features of growth and development of corn hybrids, formation of the green mass harvest are considered. As a result of the research, the Uralskiy 150 with the best fodder characteristics was identified among the studied hybrids. Uralsky 150 formed 11-12 leaves with a specific leaf density of 0.30 g/dm2. The LAI of the cenosis was 4 m2/m2. The maximum rate of photosynthesis of the leaves was 17 mol CO /m2s. The average for two years the yield of green mass 2 of the studied variety sample and hybrids of corn was amounted to 380 centner/ha. The dry matter content in biomass did not exceed 20%, the content of crude protein reached 12%, and fiber 29%.

scholarly journals ANALYSIS OF USING DIFFERENTIATED APPROACH WHEN IRRIGATING AGRICULTURAL CROPS

2020 ◽  
Author(s):  
A. N. Babichev ◽  
◽  
A. A. Babenko ◽  
Keyword(s):  
Growth And Development ◽  
Irrigation System ◽  
Research Work ◽  
Climatic Conditions ◽  
Agricultural Crops ◽  
Critical Periods ◽  
Irrigation Regime ◽  
Agrochemical Properties ◽  
Quality Of Products

Purpose: to analyze the experience of Russian scientists in the field of application of a differentiated approach to agricultural crops irrigation. The overview of research work of domestic scientists on the use of an irrigation system in agriculture, in which the provision of agricultural crops with water to maintain a given level of the minimum water capacity will be carried out during the most critical periods of their growth and development is presented. During irrigation, the timing, frequency, irrigation rates depend on the level of groundwater occurrence, agrochemical properties of soils, weather and climatic conditions, phases of growth and development of crops. The application of a differentiated irrigation regime to maintain a given level of pre-irrigation moisture allows increasing the productivity of agricultural crops, the quality of products obtained while reducing irrigation and watering rates, the number of waterings. Conclusions. The study of the results of research work of domestic scientists in the field of influence of irrigation and the fertilization system on the yield and quality of agricultural products allows concluding that obtaining the planned yields is possible only if irrigation regimes are observed and the level of soil fertility is maintained by applying various fertilizers. The use of a differentiated approach to irrigation while maintaining a given level of pre-irrigation soil moisture during critical periods of crop development allows reducing irrigation water consumption and optimizing irrigation rates and their quantity. The study of a differentiated irrigation regime is promising now and in the near future, taking into account the deteriorating water supply in the territory of our country, associated with a change in weather and climatic conditions.

Sign in / Sign up

Export Citation Format

Share Document