scholarly journals CHARACTERISTICS OF THE PROPERTIES OF CHICKPEA NODULE BACTERIA EXTENDED IN THE FOREST-STEPPE AND STEPPE ZONES UKRAINE

2019 ◽  
Vol 29 ◽  
pp. 21-28
Author(s):  
O. V. Lohosha ◽  
Yu. O. Vorobey ◽  
T. O. Usmanova ◽  
V. M. Strekalov
Keyword(s):  
Nitrogenase Activity ◽  
Continuous Cultivation ◽  
Steppe Zone ◽  
Morphological Properties ◽  
Forest Steppe ◽  
Culture Form ◽  
Climatic Zones ◽  
Chickpea Plant ◽  
Symbiotic Properties ◽  
First Time

Objective. To compare morphological, cultural, physiological, biochemical, and symbiotic properties of strains of nodule chickpea bacteria isolated from different soil and climatic zones of Ukraine. Methods. Microbiological, microscopic, gas-chromatographic, statistical. Results. From the nodules of chickpea plant of varieties Skarb, Admiral, Odissei, Budzhak, Triumf and Pamiat, grown in the steppe zone of Ukraine (Region of Odessa), where an active rhizobia population was formed due to the continuous cultivation of this crop, 58 isolates of bacteria were isolated; 11 iso-lates were isolated from the nodules of plants of Triumf and Pamiat varieties selected in the forest-steppe zone (Region of Lviv), in the fields where chickpea was grown for the first time. It has been established that the strains of Mesorhizobium sp. 1 and Mesorhizobium sp. 2, which were isolated from the nodules of chickpea plants grown in the fields with an active rhizobia population of this culture, form colonies of 2–4 mm in size at day 3–4 on the mannitol yeast agar and, according to cultural and morphological properties correspond to the characteristics of the species Mesorhizo-bium ciceri. Their use for pre-sowing chickpea inoculation increases the mass of nodules (2– 3 times) and nitrogenase activity (1.4–2 times) compared with the results obtained using the pro-duction strain of Mesorhizobium ciceri H-12. Inoculation with Mesorhizobium sp. 11, isolated from the forest-steppe zone, which on a mannitol yeast agar forms a colony of 1–2 mm in size at day 5–6, contributed to a significant increase in the number of nodules on the roots of plants (by 40.5 %), their mass (by 31 %), but the increase in nitrogenase activity was negligible. Conclusion. Strains of Mesorhizobium sp. isolated from chickpea nodules grown in different soil-climatic zones of Ukraine, have similar cell morphology, but differ in growth rate, cultural, physiological, biochemi-cal, and symbiotic properties.

Archaeological Materials of Eneolithic Settlements in Forest-Steppe Zone of the Volga Region: A Source for Diet and Chronology

Radiocarbon ◽  
2018 ◽  
Vol 60 (5) ◽  
pp. 1587-1596
Author(s):  
A Korolev ◽  
M Kulkova M ◽  
V Platonov ◽  
N Roslyakova ◽  
A Shalapinin ◽  
...  
Keyword(s):  
Geographical Area ◽  
Steppe Zone ◽  
Volga Region ◽  
Forest Steppe ◽  
Domestic Species ◽  
Animal Bones ◽  
Archaeological Materials ◽  
Settlement Site ◽  
First Time ◽  
Comprehensive Studies

ABSTRACTThe study the diet of Eneolithic populations is of great interest to archaeologists. However, the studies undertaken in the steppe and forest-steppe zones of Volga region in Russia have left many issues unsolved. Data collected recently through the comprehensive studies of Lebyazhinka VI settlement enable us to change this situation. Of particular importance at this settlement site is good preservation of animal bones, bone fishing tools, and ceramics of the same type with food crusts and connected to a large house pit. For the first time in this geographical area, bones of domestic animals were found in the fill of a dwelling. The aim of this paper is to present the results obtained through comprehensive studies of diet and economy in the Eneolithic based on the materials from Lebyazhinka III and Lebyazhinka VI settlement sites. The main results of the archaeozoological analysis— determinations of species, age and size of the animals—provide the necessary data for studying the diet. We conclude that there are differences between Lebyazhinka III and Lebyazhinka VI settlements. Lebyazhinka III settlement included bones of only wild species, however, Lebyazhinka VI settlement consists of wild and domestic species.

scholarly journals The influence of the natural-climate zone on the cattle productivity of Ukrainian Black-and-White Dairy breed

2020 ◽  
pp. 58-65
Author(s):  
S. Voitenko ◽  
O. Sydorenko
Keyword(s):  
Live Weight ◽  
Steppe Zone ◽  
Forest Steppe ◽  
Climatic Zones ◽  
High Productivity ◽  
Black And White ◽  
Reproductive Ability ◽  
Service Period ◽  
Significant Difference ◽  
Dairy Breed

It has been highlighted the data of researches as for the influence of natural and climatic zones of Ukraine on display of economically useful signs of the most numerous cattle in the country like Ukrainian black-spotted dairy breed. It was the grounds to assert the efficiency of resources use in those conditions to which they are most adapted and have genetically determined potential. It was found that cowsof lactation breeding herds in the Forest-steppe zone produced 7344 kg of milk, which is 242 kg and 1125 kg more than in the Steppe and Polissya regions due to significant variation of the characteristic within each climatic zone (Cv = 11.6– 27,5%). The Polissya zone, where the animals' yieldwere 5764 kg, while in other climates 6982–6992 kg, does not contribute to the high productivity of the first lactation cows. It is proved that the duration of the service period in cows of three natural and climatic zones of Ukraine varied from 106 days in Polissya to 126 days – Forest-steppe, but it did not agree with the output of calves per 100 cows, which in 81 Polissya amounted to 82 and Forest-steppe – 79. The heifers of the Steppe zone are inseminated with live weight of 391 kg at the age of 477 days, and the Forest-steppe and Polissya with slightly less 385 kg and 387 kg, respectively, at the age of 493 days and 517 days. There is no significant difference in live weight at the ages of 6, 12 and 18 months between heifers of different natural and climatic zones of Ukraine, but the degree of development of the trait after 6 months was slightly better in cattle of the Steppe zone. A positive correlation was found between milk yield of first lactation cows of all natural climatic zones and their live weight at 6, 12 and 18 months of age, as well as negative calf age at first insemination (-0.587 ... -0.810) with significant correlation from the cattle of the Steppe zone. A high correlation coefficient (+0.703) was found in cows between live weight of heifers at first insemination and first lactation in the Polissya region. Key words: natural and climatic zones, Ukrainian Black-and-White Dairy breed, cows, yield, lactation, live weight, reproductive ability indicators, selection traits.

scholarly journals PERENNIAL FLORICULTURAL CROPS RECOMMENDED FOR USE IN LANDSCAPE DESIGN IN THE FOREST-STEPPE ZONE OF THE ALTAI REGION

2021 ◽  
pp. 57-63
Author(s):  
O.V. Larina ◽  
Keyword(s):  
Introduced Species ◽  
Ornamental Plants ◽  
Weather Conditions ◽  
Steppe Zone ◽  
Morphological Properties ◽  
Seasonal Development ◽  
Forest Steppe ◽  
Flowering Duration ◽  
Altai Region ◽  
High Degree

Rare perennials are very valuable ornamental plants that are very different in their morphological properties. They also differ in the rhythms of their seasonal development. The research goal is to make a comprehensive description of the studied introduced species according to their economically valuable characters and to recommend them for use in land-scape design of the Altai Region. This paper presents the results of long-term studies of 10 taxa that were recom-mended over the past 5 years. The research was carried outin the forest-steppe zone of the Altai Region. The following species were the research targets: Ajuga reptansChocolate Chip,Ajuga reptansMulticolor,Aster novi-belgiiBlue Gem,Aster novi-belgiiEthel Ballard,Aster novi-belgiiMarye Bal-lard,Ligulariatangutica, Heuherella tiarelloides, Sedum kamtschaticum, Hylotelephium spectabile, Eupatorium pur-pureum. In terms of height, structure of vegetative and gen-erative shoots, the introduced species belong to different morphobiological groups, and that allowsusing them in vari-ous types of plantations. The recommended taxa have a high degree of winter hardiness with the exception of Ajuga reptansMulticolor which rots slightly in winters with high snow levels. The flowering of the studied species lasts from May 26 to September 26. There are 4 cultivars with an early flowering period, 1 -middle, 5 -late flowering. Flowering duration is 19-52 days. The plant height is from 18 to 130 cm. The comprehensive evaluationreaches 12-13 score points out of possible 15points. The influence of weather conditions on the quantitative indices of ornamental and morphophysiological qualities of the cultivars was deter-mined. Wide use of highly ornamental perennials recom-mended for landscaping may increasethe ornamental valueof flower beds.

scholarly journals WAYS FOR RECONSTRUCTION OF NONCOMMERCIAL COPPICE OAK STANDS IN LEFT-BANK FOREST-STEPPE ZONE

2018 ◽  
pp. 48-56 ◽  
Author(s):  
V. P. Tkach ◽  
V. A. Luk’yanets ◽  
O. M. Tarnopylska ◽  
M. G. Rumyantsev
Keyword(s):  
Steppe Zone ◽  
Oak Forests ◽  
Forest Steppe ◽  
Left Bank ◽  
Different Ages ◽  
Gradual Group ◽  
First Time

The article reports new results on the reconstruction of the noncommercial weakened coppice oak stands in the Left-bank Forest-Steppe zone, Ukraine. For the first time, a technology of reconstruction of coppice stands into the mixed seed natural or planted ones is proposed through regeneration felling with the elements of even gradual, group successive and strip gradual felling with a continuous cutting of 25 m width strips. The use of the technologies that combine regeneration felling, selective sanitary felling and thinning in conjunction with silvicultural activities will allow to form mixed seed natural or planted stands of different ages from noncommercial weakened coppice oak forests and significantly increase their productivity and sustainability.

scholarly journals Features of the daily dynamics of trophic activity of various types of blood-sucking mosquitoes (Diptera, Culicidae) in the south of Tyumen region

2018 ◽  
Vol 26 (2) ◽  
pp. 123-127
Author(s):  
T. A. Khlyzova
Keyword(s):  
Air Temperature ◽  
Steppe Zone ◽  
Southern Taiga ◽  
Summer Season ◽  
Forest Steppe ◽  
The South ◽  
Climatic Zones ◽  
Blood Sucking ◽  
The Family ◽  
Birch Forests

We conducted research on the determination of the daily activity of blood-sucking mosquitoes of the family Culicidae in 2005–2015 in the south of Tyumen region in three climatic zones (subzones): the subzone of the southern taiga (Nizhnetavdinsky district), the subzone of aspen-birch forests (Tyumen and Yalutorovsky districts) and in the forest-steppe zone (Isetsky district). In each of the three subzones, counts were conducted twice for the summer season – in June and July. A high number of blood-sucking mosquitoes in the south of the Tyumen region have 24-hour activity. The maximum number in all natural and climatic zones of the region is observed at 23 hours. The daily rhythm of activity of certain species of mosquitoes depends on their abundance in the summer season and on their ecological characteristics. The optimal meteorological conditions under which an active flight of mosquitoes are observed: air temperature 12.6–26.0 °C, relative humidity of air – 54–100% and illuminance – 0–8600 lux. In studying the circadian rhythm, 29 mosquito species of the family Culicidae, belonging to 6 genera: Anopheles, Culiseta, Coquillettidia, Aedes, Ochlerotatus and Culex, were recorded. In the subzone of the southern taiga, we recorded a flight of 25 species, in the subzone of small-leaved aspen-birch forests – 20, and in the forest-steppe zone – 24. The peak of species diversity in all three subzones coincided with the maximum number. All registered species in terms of temperature preferences (thermophilicity) can be conditionally divided into two groups. The first group (10 species) are species that actively attack at a temperature 10–20 °C. The second group (19 species) are species that actively attack at an air temperature 10–30 °C.

scholarly journals Slime mold (Physarum cinereum (Batsch) Pers.) on turfgrass

2019 ◽  
pp. 15-17
Author(s):  
S. Retman ◽  
O. Nychyporuk
Keyword(s):  
Species Composition ◽  
Morphological Characteristics ◽  
Growing Season ◽  
Steppe Zone ◽  
Slime Mold ◽  
Forest Steppe ◽  
Laboratory Methods ◽  
Severity Of Disease ◽  
First Time ◽  
Selection Of

Goal. To study the spread and severity of slime mold on turfgass in Ukraine. Methods. Field and laboratory methods were used. The research was conducted on two varieties of mixed with different percentage and species composition of cereal grasses. The survey of crops was performed during vegetation in the Polissya, Forest-steppe and Steppe areas. For the identification of pathogen, a selection of plant samples was carried out with further analysis in laboratory conditions. The observations were conducted according to generally accepted methods; spread and severity of disease were determined. Results. The first time in Ukraine revealed damage to the cereal grasses (Physarum cinereum (Batsch) Pers.). Symptoms and morphological characteristics of the pathogen are described. In the Kiev region, in terms of distribution and development, it exceeded other pathogens (30.6—39.0% and 15.4—21.2% correspondingly). In the Kirovograd region, slime mold was observed in 2016 and 2017 at a much lower degree. Its spread was 8.4—10.5% with severity within the range of 3.1—4.5%. In the Zhytomyr region during the period of research symptoms of this disease were not fixed. The most favorable for the development of Physarum cinereum was the growing season of 2017. Conclusions. For the first time in Ukraine, the appearance of disease caused by Physarum cinereum was detected on lawn grasses. The spread of this disease has been noted on both types of grass mixtures. The phytopathological analysis showed that slime mold was the most widespread diseases in the Forest-Steppe zone (Kyiv region), where it dominated in the complex of leaf diseases. In Steppe zone (Kirovograd region) in the period of 2016—2017 it's spread was much lower and in Polissya zone (Zhytomyr region) symptoms of slime mold was not revealed.

scholarly journals The current state of Polypodium vulgare L. and Ptilium crista-castrensis (Hedw.) De Not. populations on the territory of the nature reserve «Racheyskie Rocks» (Syzran District of the Samara Region)

2021 ◽  
Vol 10 (3) ◽  
pp. 47-52
Author(s):  
Polina Valerievna Grudanova ◽  
Evgeniy Sergeevich Korchikov
Keyword(s):  
Nature Reserve ◽  
Steppe Zone ◽  
Mountain Forest ◽  
Limiting Factor ◽  
Forest Steppe ◽  
Red Data Book ◽  
Current State ◽  
Data Book ◽  
First Time ◽  
New Location

This paper presents data on the new location of the moss Ptilium crista-castrensis (Hedw.) De Not, which is listed in the Red Data Book of the Samara Region on the territory of the nature reserve Racheyskie Rocks in the Syzran district. 10 of its coenopopulation loci have been identified and the exact geographic coordinates are given. For the first time the exact coordinates of 11 coenopopulation loci are also named for the holarctic mountain-forest relict fern Polypodium vulgare L., which is also protected at the regional level, both of these species have a mosaic structure of coenopopulations confined to confluent sandstones as a substrate for growth. It has been revealed that the ecological preferences of these species are very close, however, Polypodium vulgare is more shade-tolerant and it can be called a scioheliophyte, in contrast to the heliophyte Ptilium crista-castrensis . The Polypodium requires more humid and shaded conditions for its normal existence. When growing in the forest-steppe zone, where humidity is often a limiting factor, Ptilium crista-castrensis and Polypodium vulgare can form a significant projective cover (more than 30%) only in the northern and northeastern exposures of the substrate, but only with an enhanced light regime in the phytocoenosis at the density of the stand that is not more than 0,3.

scholarly journals Reproductive capabilities of representatives of the genus Hosta Tratt. when introduced in the forest-steppe zone of Western Siberia

2021 ◽  
pp. 58-68
Author(s):  
L. L. Sedelnikova ◽  
Keyword(s):  
Western Siberia ◽  
Reproductive Potential ◽  
Pollen Grains ◽  
Weather Conditions ◽  
Steppe Zone ◽  
Seed Morphology ◽  
Forest Steppe ◽  
Seed Productivity ◽  
High Viability ◽  
First Time

In the forest-steppe zone of Western Siberia, a comparative study of seed productivity, flowering features, fruit and seed morphology, pollen fertilization ability was conducted for the first time in representatives of the Hosta Tratt genus: H. decorata, H. sieboldiana, H. lancifolia, H. albomarginata, H. crispula, H. kikutii, H. montana, H. rectifolia, H. undulata and varieties Golden Tiara, Night before Christmas, and Stiletto. It is noted that the reproductive potential and fertility of pollen in 9 species and 3 varieties of host have intraspecific and varietal specificity and are associated with seasonal weather conditions. The results of free pollination of the host were studied. It was found that fruit formation within a single generative shoot is heterogeneous, with the exception of the species H. decorata. The coefficient of productivity of species is 16—93%, varieties 12.5—36.4%. Morphometric indicators of length of generative shoots, fruits and seeds are presented. It is shown that the fruit is a freely opening loculicidal tricuspid capsule. Seeds are linear to oval in shape. It was revealed that with high viability of pollen grains (46—82.6%) in H. albomarginata, H. rectifolia, H. sieboldiana, the productivity coefficient is 2—3.8 times lower than in H. decorata. The flowers are characterized by geitonogamy with the phenomenon of peterandre, chasmogamous pollination and flowering in acropetal direction. H. decorata has a high adaptive advantage of seed productivity. The studied species and varieties consistently pass all the phenophases of development and are characterized by vitality. The growing season from spring growth to fruiting in Novosibirsk is 98—112 days. The reproductive capabilities of the host during introduction in the forest-steppe zone of Western Siberia are realized partly due to seed reproduction and are distinguished by species and variability.

scholarly journals Zoogeography of the Ants (Hymenoptera: Formicidae) of Southeastern Iberian Peninsula

Sociobiology ◽  
2018 ◽  
Vol 65 (3) ◽  
pp. 383 ◽  
Author(s):  
Chema Catarineu ◽  
Gonzalo G. Barberá ◽  
Joaquín Luis Reyes-López
Keyword(s):  
River Basin ◽  
Biological Material ◽  
Deciduous Forest ◽  
Steppe Zone ◽  
Field Work ◽  
Habitat Diversity ◽  
Forest Steppe ◽  
Forest Zone ◽  
Humid Forest ◽  
First Time

The work submitted in this paper presents the first checklist of the ant species of the Segura River Basin based on a review of specific literature and biological material collected during field work conducted from 2012 to 2017. Our findings recorded 110 species belonging to 30 genera of ants and twenty two of these species were recorded for the first time in this area. The zoogeographical composition is dominated by the species of the Mediterranean zone (75.2%), followed by the mixed and deciduous forest zone (19.1%). The most important zoogeographic elements are: Iberian (20%), Holomediterranean (17.1%) and West-Mediterranean (13.3%). There are only six cosmopolitan species (5.71%). There is a greater proportion of species from the mixed and deciduous forest zone in the high-mid altitudes in the Segura River Basin, where the climate is cooler, and more humid. The Euro-Caucasian and Euro-West Siberian elements seems to be more associated to the more humid forest, whilst the Euro-Caucasian elements seem to be more associated to ecosystems more similar to the forest-steppe zone. The existence of these different zoogeographic origins in this area is probably linked with: the position between Africa and Europe; the complex geotectonic, paleogeographic, and paleoclimatic history during the last 7 My; the complex geomorphology; and the high climate and habitat diversity. Based on ant studies and other taxa, possible explanations of the zoogeographic origin of these ant chorotypes are proposed.

scholarly journals HOLSTEIN BREED LACTATION YIELD IN THE SOUTHERN FOREST-STEPPE ZONE OF PRE-URAL

2020 ◽  
Vol 5 (3) ◽  
pp. 32-39
Author(s):  
Rinat Mudarisov ◽  
Ismagil Khakimov ◽  
Vladimir Semenov ◽  
Natal'y Kulmakova
Keyword(s):  
Milk Yield ◽  
Steppe Zone ◽  
Holstein Cows ◽  
Forest Steppe ◽  
Holstein Breed ◽  
Adaptive Technology ◽  
Chemical Indicators ◽  
Body Conformation ◽  
Physical And Chemical ◽  
First Time

The purpose of the research is to increase the efficiency of Holstein cows of different breeds in the southern forest-steppe zone of the Pre-Urals. Due to the lack of highly productive dairy cattle, Holstein cows are imported to Russia from different countries. Imported animals have different adaptability, productivity, terms of economic use, and prof-itability. For the first time on the stud farm «Alekseevsky» state owned located in Ufa district Republic of Bashkorto-stan a comparative evaluation of body conformation, lactation yield and physical and chemical indicators of Hol-stein milk of different selections in terms of adaptive technology. Cows of Hungarian selection have a stronger con-formation, proportion, length, well-developed body, as evidenced by boniness and lengthiness. Hungarian cows dominate over German and Finnish cows in body weight by 11.2 and 22.5 kg (P<0.05). These features led to the superiority of animals of Hungarian origin in milk productivity with the same adaptive technology of keeping and feeding. During the third lactation, milk yield of Hungarian origin was 736.6 kg (P<0.05) more than that of German-bred, and 766.7 kg than that of Finnish cows. Hungarian average milk yield of Hungarian breed for three lactation periods was bigger 521.5 kg (P<0.05) and 625.1 kg (P<0.05), respectively. German breed had the highest fat con-tent (3.3%), and Hungarian cows the highest protein content (3.3%). There were no significant differences between the animals of the studied groups in terms of productive longevity (3.26-3.38 lactations). Cows of Hungarian origin for all the time of use had basic fat content and protein more by 5.5 and 6.0%, compared with their herdmate, which increases revenue by 9.9 and 10.8 thousand rubles more than from cows of German and Finnish selection.

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