scholarly journals Use of ripening fruits in seed production of early-maturing varieties of melons and gourds in spring and summer sowing

2021 ◽  
pp. 47-51
Author(s):  
V. Е. Lazko ◽  
O. V. Yakimova ◽  
E. N. Blagorodova
Keyword(s):  
Morphological Characteristics ◽  
Climatic Conditions ◽  
Agricultural Producers ◽  
Protective Measures ◽  
Biological Potential ◽  
Early Maturing ◽  
Early Ripening ◽  
Length Of The Day ◽  
Technological Methods ◽  
Selection Of

Relevance. In recent years, the price of seeds for melons and gourds of foreign selection has reoriented many agricultural producers to use seeds of domestic varieties. To provide agricultural producers with the required amount of seeds with high sowing rates, it is necessary to apply new technological methods that will allow using the biological potential of varieties and growing commercial volumes of seeds.Material and methods. The research was carried out at the selection and experimental site of the vegetable growing department in the "Federal Scientific Rice Centre " in 2017-2018. The object of research is a new promising variety of watermelon Yubilyar, and two early-ripening varieties of melon Tamanskay and Strelchanka. Sowing terms: spring – from mid-April to the end of the first decade of May, summer – the first and second decades of July. Summer sowing with drip irrigation. When harvesting melon and watermelon fruits, the selection intensity is 90% to obtain reproductive seeds RS-1.Results. It has been established that due to the climatic conditions of the Krasnodar Territory and the varietal characteristics of the melon varieties Tamanskaya, Strelchanka and the watermelon Yubilyar, a short growing season and a neutral reaction to changes in the length of the day, you can get two harvests of seeds in one season using summer sowing. It was noted that low air humidity prevented damage to plants by peronospora, anthracnose and powdery mildew, practically eliminating the need for protective measures. The selected ripe fruits for the selection of seeds by morphological characteristics corresponded to varietal characteristics. It has been established that the seed productivity of melon during summer sowing is higher due to better pollination. From one hectare received up to 97-138 kg of seeds. The use of ripening made it possible to carry out a one-time collection of watermelon and melon fruits.

scholarly journals Analysis of Sudangrass collection cultivars in the Cis-Ural steppe of the Bashkortostan Republic

2021 ◽  
Vol 282 ◽  
pp. 02008
Author(s):  
R.A. Biktimirov ◽  
A.A. Nizaieva ◽  
A.Kh. Shakirzyanov ◽  
Z.M. Sharipkulova
Keyword(s):  
Dry Matter ◽  
Nutritional Value ◽  
Climatic Conditions ◽  
Economic Traits ◽  
Early Maturing ◽  
Nutritional Qualities ◽  
Early Ripening ◽  
New Varieties ◽  
Selection Of ◽  
Variety Testing

This paper reports on a study of 62 collection cultivars of Sudangrass evaluated by economic traits for 4 years to create new source material for the Sudangrass selection of higher nutritional value adapted to the Cis-Ural steppe. The research revealed some highly productive and early-maturing Sudangrass cultivars for selecting new varieties highly adaptive to local agro-climatic conditions. Early ripening varieties Chishminskaia ranniaia, Yaktash, Demskaia, Smena, Novosibirskaia 84, Lira had 81-85 days of the interphase period from full sprouts to complete seed ripeness. Highly productive Anastasia, Aiusha, Zernogradskaia 576, and Alexandrina varieties had a fresh yield of more than 41.9 t/ha. Demskaia, Anastasia, Alexandrina, Aiusha had good nutritional qualities of fresh yield (with 10.04 – 10.51% protein and 7.80 – 10.01% sugar in dry matter): In 2017, the State Variety Testing of a new Sudangrass cultivar Demskaia started. The middle-early Sudangrass variety Demskaia has an average yield of 47.1 t/ha of green mass, 8.14 t/ha of absolutely dry matter, and 2.59 t/ha of seeds.

scholarly journals Selection of Adaptive Agricultural Technologies in Digital Agriculture

2019 ◽  
pp. 51-61
Author(s):  
Andrey V Gostev ◽  
Aleksey I Pykhtin ◽  
Roman V Popadinets
Keyword(s):  
Agricultural Research ◽  
Field Trials ◽  
Climatic Conditions ◽  
Research Centre ◽  
Reference Database ◽  
Winter Rye ◽  
Agricultural Producers ◽  
Agricultural Technologies ◽  
Agricultural Enterprises ◽  
Selection Of

As follows from the analysis of the collected experimental material of long-term field trials of the Kursk Federal Agricultural Research Centre and generalization of the activities results of leading domestic research and educational institutions, as well as the practical results of many agricultural enterprises of the eastern part of Europe, we have identified the most effective conditions for the use of basic agricultural methods in wheat cultivation technologies as well as spring and winter barley, seed peas, buckwheat, grain maize, oats, millet and winter rye cultivation technologies of different levels of intensity which contribute to the rational use of available resources of agricultural producers based on the prevailing soil and climatic conditions. The technologies made it possible to prepare scientific-methodological approaches and a mathematical model to solve the problems of selecting an adaptive technology of crops cultivation. A normative-reference database for different types of crops cultivation technologies has also been made, including a list of zoned recognized varieties and hybrids of crops under study, necessary technology methods taking into account conditions of their effective use. Currently, an algorithm and the corresponding software are being developed to choose the most expedient technology of crop cultivation for specific soil and climatic conditions depending on a set of defining factors. There has been created software (in the form of a complex of programs for stationary computers and mobile electronic devices with the Android operating system. A specialized website has been developed. It provides a scientifically well-grounded selection of crops varieties and hybrids for the eastern part of Europa on the basis of user-specified conditions.

scholarly journals The results of ecological testing of early and mid-season potato varieties in the Komi Republic

2021 ◽  
Vol 22 (3) ◽  
pp. 329-339
Author(s):  
A. G. Tulinov ◽  
A. Yu. Lobanov
Keyword(s):  
Late Blight ◽  
Surface Damage ◽  
Komi Republic ◽  
Climatic Conditions ◽  
High Yield ◽  
Agricultural Producers ◽  
Scientific Center ◽  
Potato Varieties ◽  
Early Maturing ◽  
Academy Of Sciences

Search and introduction of new potato varieties that can be recommended for cultivation in soil and climatic conditions of the Komi Republic are especially important against the background of the average yield in the region of 12.1 t/ha, that is 6.7 t/ha lower than the average in Russia. In 2019-2020 on the basis of the A. V. Zhuravsky Institute of Agrobiotechnology of the Federal Research Center of the Komi Scientific Center of the Ural Branch of the Russian Academy of Sciences, there were tested potato varieties of the early maturing group – Armada, Meteor, Gulliver, Taifun and Krepysh (standard) and the mid-season group – Varyag, Vympel, Krasa Meshchery, Kumach, Fritella, Vychegodskii and Zyryanets (standard). From the early maturing group, the varieties Armada and Gulliver have been selected as giving a consistently high yield, which exceeded the standard by 6.8-7.1 t/ha on average for two years. Among mid-season varieties no one reliably exceeded the standard variety Zyryanets in terms of yield productivity. The highest yield and marketability was noted for the Fritella variety – 30.5 t/ha and 97 %. All the varieties under study, except for Vychegodskii, showed an average resistance of the tops to late blight damage. Moderate early blight damage of the tops (up to 20 % of the leaf surface) was noted in three varieties – Meteor, Taifun and Vychegodski. The following varieties showed high resistance to common scab - Vympel (no damage), Zyryanets (few lesions) and Gulliver (up to 10 % of tuber surface damage). In all studied varieties the potato tubers were not affected by late blight during both years of research. For cultivation, the agricultural producers of the Komi Republic should use the varieties Armada (29.7 t/ha), Gulliver (28.1 t/ha), Vympel (29.2 t/ha), Fritella (30.5 t/ha), which have good resistance to phytopathogens and high quality of tubers.

scholarly journals Perspective sample of root chicory

2019 ◽  
pp. 159-161
Author(s):  
O. M. Vyutnova ◽  
T. Yu. Polyanina ◽  
I. A. Novikova
Keyword(s):  
Raw Materials ◽  
Climatic Conditions ◽  
Raw Material ◽  
Root Crop ◽  
Root Crops ◽  
Early Maturing ◽  
New Varieties ◽  
High Yields ◽  
The Impact ◽  
Selection Of

Relevance. One of the types of agricultural raw materials for the food industry is the root chicory, the product from the roots of which is produced in pure form, as well as is an important component in the production of tea and coffee drinks, confectionery. Its value is determined by the content in the roots of inulin, fructose, intibin and chicory. Despite the great economic importance and economic profitability of chicory cultivation, in recent years, the local processing industry is not provided with this type of raw material and is forced to buy the product from dried root crops in other countries, such as Ukraine, Italy and India. Modern agricultural production is in dire need of new varieties of root chicory, combining high yields and chemical and technological qualities, having the form of a root crop suitable for mechanized harvesting, and adapted to cultivation in soil and climatic conditions of the Non-chernozem zone. Purpose of work: to assess the nature of the impact of ultraviolet radiation in the time mode on watermelon seeds using cytogenetic analysis.Material and methods. The article describes the results of the test in the control nursery of a new sample of chicory root with 0428 selection of Rostov OSC.Results. As a result of breeding work, a promising sample of root chicory. It was isolated early maturing, with high yields and economically valuable properties, root crop truncated, suitable for mechanized harvesting by commercially available machines. 

scholarly journals Perspective sample of root chicory

2019 ◽  
pp. 159-161
Author(s):  
O. M. Vyutnova ◽  
T. Yu. Polyanina ◽  
I. A. Novikova
Keyword(s):  
Raw Materials ◽  
Climatic Conditions ◽  
Raw Material ◽  
Root Crop ◽  
Root Crops ◽  
Early Maturing ◽  
New Varieties ◽  
High Yields ◽  
The Impact ◽  
Selection Of

Relevance. One of the types of agricultural raw materials for the food industry is the root chicory, the product from the roots of which is produced in pure form, as well as is an important component in the production of tea and coffee drinks, confectionery. Its value is determined by the content in the roots of inulin, fructose, intibin and chicory. Despite the great economic importance and economic profitability of chicory cultivation, in recent years, the local processing industry is not provided with this type of raw material and is forced to buy the product from dried root crops in other countries, such as Ukraine, Italy and India. Modern agricultural production is in dire need of new varieties of root chicory, combining high yields and chemical and technological qualities, having the form of a root crop suitable for mechanized harvesting, and adapted to cultivation in soil and climatic conditions of the Non-chernozem zone. Purpose of work: to assess the nature of the impact of ultraviolet radiation in the time mode on watermelon seeds using cytogenetic analysis.Material and methods. The article describes the results of the test in the control nursery of a new sample of chicory root with 0428 selection of Rostov OSC.Results. As a result of breeding work, a promising sample of root chicory. It was isolated early maturing, with high yields and economically valuable properties, root crop truncated, suitable for mechanized harvesting by commercially available machines. 

scholarly journals Assessment of soybean varieties agrobiological properties for irrigated lands of Rostov region

2021 ◽  
Author(s):  
G. T. Balakay ◽  
◽  
S. A. Selitskiy ◽  
Keyword(s):  
Field Experiments ◽  
Statistical Processing ◽  
Climatic Conditions ◽  
Seeding Rate ◽  
Filling Stage ◽  
Rostov Region ◽  
Early Ripening ◽  
Cultivation Technology ◽  
Irrigated Lands ◽  
Selection Of

Purpose: selection of soybean varieties that meet the climatic conditions of Rostov region, adaptable to the cultivation technology on irrigated lands. Materials and methods. The studies were carried out in Rostov region on heavy loamy meadow chernozem soils. 18 soybean varieties of different ripeness groups were studied in 2019 and 2020. Plot area was 150 sq. m. Sowing was carried out by a wide-row method with a row spacing of 0.7 m at a seeding rate of 500 thousand pieces/ha. Soybean varieties were cultivated in accordance with agricultural techniques in accordance with the zonal farming systems of Rostov region. The trial establishment, observation over the plants development and the onset of the main phenological phases, yield records, as well as statistical processing of the observation results were carried out according to generally accepted methods of conducting field experiments. Results. The duration of the growing season for soybean varieties has been determined (from 102 to 123 days, depending on the variety). The height of soybean plants in the bean filling stage varied from 81.8 to 123.7 cm. The largest leaf area in the beans filling stage was formed in the varieties Select 201, SK Riana and Select 302 – 71.53; 71.30 and 69.35 thousand sq. m/ha, respectively. The most productive were early ripening and medium early ripening varieties SK Riana, Select 302, Select 201, SK Veda, their average yield for 2 years was 4.45; 4.25; 4.08; 3.97 t/ha, respectively. Conclusions. Studies devoted to the selection of soybean varieties that meet the natural and climatic conditions of Rostov region and are adaptable to the cultivation technology on irrigated lands have shown that the SK Riana, Select 302, Select 201, SK Veda varieties of “Soy Complex” Company. The Annushka variety (3.80 t/ha), zoned for the Central Black Earth region, and the VNIIOZ selection varieties Volgogradka 1 (3.81 t/ha) and Volgogradka 2 (3.78 t/ha), zoned for Lower Volga region were the most promising.

Drought resistance of Fragaria×Ananassa Duch. Varieties in the conditions of the Orenburg Urals

2020 ◽  
Vol 62 ◽  
pp. 122-133
Author(s):  
R. R. Salimova ◽  
Z. A. Avdeeva ◽  
E. V. Aminova
Keyword(s):  
Drought Resistance ◽  
Weather Conditions ◽  
Climatic Conditions ◽  
Orenburg Region ◽  
Air Temperatures ◽  
Local Soil ◽  
Early Ripening ◽  
Initial Forms ◽  
Research Period ◽  
Selection Of

The article presents data from field and laboratory studies on the productivity and drought tolerance of strawberry varieties in the Pre-Urals (on the example of the Orenburg region). The purpose of the research is a comparative study of the drought resistance of introduced strawberry varieties and the selection of the most productive and valuable for breeding. The Orenburg region belongs to the zone of insufficient moisture a characteristic feature of its climate is aridity. High air temperatures and lack of moisture are a stressor, leading to a partial loss of yield. During the research period (2017-2019), weather conditions were typical for the zone, which allowed us to assess the adaptive capacity of the varieties. In laboratory conditions, a study of the water regime in 12 varieties of strawberries was carried out. The obtained results revealed the nature of the reactions of strawberry plants to changes in environmental conditions depending on the characteristics of the genotype and made it possible to identify the varieties most adapted to local soil and climatic conditions. Data on productivity and its components of strawberry varieties distinguished by resistance to drought are presented. Among the varieties of early ripening in terms of productivity, the following stood out: Darenka, Studencheskaya, Rosinka (more than 200 g/bush). The productivity of the control variety Orlets was less than 200 g. Among the varieties of medium and late ripening by productivity (more than 300 g from the bush) stood out: Anastasia, Bereginya; more than 200 g from the bush yielded varieties: Polka, Urozhaynaya TSGL, Fireworks, Tsariсa. The average productivity (150-200 g per Bush) was in the control variety Zenga Zengana. In years with adverse factors, there was a decrease in the yield. As the initial forms for use in breeding for drought resistance, productive varieties are recommended: Anastasia, Bereginya, Darenka, Polka, Rosinka, Studentskaya, Urozhaynaya TSGL, Fireworks, Tsarina.

scholarly journals Prognostic value of genefusion proteins in prostatic cancer

2018 ◽  
Vol 26 (4) ◽  
pp. 519-527
Author(s):  
Natal`ya V. Bezgodova ◽  
Sergey V. Vtorushin ◽  
Nadezhda V. Krakhmal` ◽  
Igor` L. Purlik ◽  
Viktor R. Latypov
Keyword(s):  
Prostate Carcinoma ◽  
Morphological Characteristics ◽  
Distant Metastases ◽  
Preoperative Treatment ◽  
Regional Lymph Nodes ◽  
Chimeric Genes ◽  
Biological Potential ◽  
Molecular Patterns ◽  
The Given ◽  
Selection Of

Background. Currently, in the study of prostate cancer, much attention is given to specific molecular patterns reflecting the biological potential of the tumor. Of most interest is analysis of the proteins of chimeric genes in a tumor. Aim of study is analysis of peculiarities of ERG and PBOV1 proteins expression in tumor cells and correlation of them with the prognostic parameters of the disease in patients. Materials and Methods. The group of study consisted of 85 patients diagnosed with prostatic carcinoma (stage II-III of the disease, T1-3N1-2M0), after radical prostatectomy. No specific preoperative treatment was given. Histological examination was conducted using a standard method, and immunohistochemical one – with use of an automatic stainer. Morphological characteristics of the tumor, of distant regional lymph nodes and of seminal vesicles were evaluated. Correlation between the histological and expression parameters of tumor and occurrence of distant metastases was studied. Results. Correlation was found between parameters of expression of the studied proteins with such variant of tumor progression as hematogenic metastasis. A higher percentage of expression of ERG and PBOV1markers in cells of prostate carcinoma correlates with a lower degree of tumor differentiation and with a poor prognosis for the course of the disease. Conclusion. The results of the conducted research demonstrate significance of ERG and PBOV1 proteins as additional prognostic factors in patients with prostate carcinoma, and probably may be used for evaluation of prognosis of the disease in selection of the management tactics for the given category of patients.

Approaches for TEM imaging of cavitation in toughened nylon

1989 ◽  
Vol 47 ◽  
pp. 352-353
Author(s):  
Barbara A. Wood
Keyword(s):  
Morphological Characteristics ◽  
Structure Property ◽  
Polymer Systems ◽  
Selective Staining ◽  
Structure Property Relationships ◽  
Rubber Toughened ◽  
Shear Yield ◽  
Controversial Topic ◽  
Selection Of ◽  
Diamond Knife

A controversial topic in the study of structure-property relationships of toughened polymer systems is the internal cavitation of toughener particles resulting from damage on impact or tensile deformation.Detailed observations of the influence of morphological characteristics such as particle size distribution on deformation mechanisms such as shear yield and cavitation could provide valuable guidance for selection of processing conditions, but TEM observation of damaged zones presents some experimental difficulties.Previously published TEM images of impact fractured toughened nylon show holes but contrast between matrix and toughener is lacking; other systems investigated have clearly shown cavitated impact modifier particles. In rubber toughened nylon, the physical characteristics of cavitated material differ from undamaged material to the extent that sectioning of heavily damaged regions by cryoultramicrotomy with a diamond knife results in sections of greater than optimum thickness (Figure 1). The detailed morphology is obscured despite selective staining of the rubber phase using the ruthenium trichloride route to ruthenium tetroxide.

Assessment of reproductive capacity of representatives of ancestral complexes and especially their selection of seed in dry conditions

2019 ◽  
pp. 1-23
Author(s):  
А.В. Семенютина ◽  
С.Е. Лазарев ◽  
К.А. Мельник
Keyword(s):  
Weather Conditions ◽  
Reproductive Capacity ◽  
Limiting Factors ◽  
Scientific Center ◽  
Gleditsia Triacanthos ◽  
Biological Potential ◽  
Forest Reclamation ◽  
Dry Conditions ◽  
Generative Phase ◽  
Selection Of

Представители родовых комплексов Robinia (Робиния), Gleditsia (Гледичия) относятся к экономически важным и перспективным, для деградированных ландшафтов засушливого региона, видам растений. Несмотря на это до последнего времени отсутствуют сведения по многим видам этих родовых комплексов, связанные с вопросами экологических основ семеноведения и их репродуктивной способности в условиях светлокаштановых почв Волгоградской области. Все это направлено на выявление и расширение перспективных ареалов культивирования для лесомелиорации и озеленения населенных пунктов. Цель исследований изучение репродуктивной способности представителей родовых комплексов Robinia (Робиния), Gleditsia (Гледичия) в коллекциях ФНЦ агроэкологии РАН и выявление особенностей их селекционного семеноведения для лесомелиорации и озеленения населенных пунктов в сухостепных условиях. Объектами исследований являлись виды и формы рода Robinia: R. viscosa Vent. R. neomexicana Gray. R. pseudoacacia L. R. neomexicana х pseudoacacia, и Gleditsia (G. triacanthos L., G. triacanthos L. f. inermis, G. caspica Desf, G. texana Sarg., G. aquatica, G. japonica, G. caspica, G. sinensis), произрастающие в кластерных участках коллекций ФНЦ агроэкологии РАН, кадастр 34:34:000000:122, 34:34:060061:10. Разработка основ селекционного семеноведения базируется на изучении репродуктивных особенностей выделенных для целевого использования собственных биоресурсов с учетом возможностей всестороннего изучения генеративных качеств и оценки биологического потенциала. Выявлено, что стабильность плодоношения фиксируется через несколько лет после вступления в генеративную фазу: у Robinia и Gleditsia 67 лет. Первое цветение у Gleditsia triacanthos и G. texana, G. aquatica наблюдалось в возрасте 5 лет, G. japonica 6, G. caspica и G. sinensis 8 лет. Завязываемость плодов зависит не только от возраста растения, но и от погодных условий во время цветения. На семенную продуктивность влияет количество выпавших осадков и сумма активных температур в период созревания плодов. Формирование более крупных плодов и семян наблюдается в возрасте до 15 лет. В результате исследований (20172019 гг.) выявлено влияние лимитирующих факторов на биологический потенциал цветения, плодоношения и семенную продуктивность для определения ареалов их культивирования. Representatives of generic systems Robinia, Gleditsia are economically important and promising for degraded arid landscapes of the region, types of plants. Despite this, until recently, there is no information on many types of these generic complexes related to the environmental foundations of seed and their reproductive capacity in light chestnut soils of the Volgograd region. All this is aimed at identifying and expanding promising areas of cultivation for forest reclamation and greening of settlements. The aim of the research is to study the reproductive capacity of representatives of ancestral complexes Robinia, Gleditsia in the collections of the Federal scientific center for Agroecology Russian Academy of Sciences and the identifying features of their selection of seed for forest reclamation and landscaping of settlements in the dry steppe conditions. The objects of research were species and forms of the genus Robinia: R. viscosa Vent. R. neomexicana Gray. R. pseudoacacia L. R. neomexicana x pseudoacacia and Gleditsia (G. triacanthos L., G. triacanthos L. f. inermis, G. caspica Desf, G. texana Sarg., G. aquatica, G. japonica, G. caspica, G. sinensis), growing in the cluster areas of collections of FSC Agroecology RAS, cadastre 34:34:000000:122, 34:34:060061:10. The development of the principles of seed breeding is based on the study of reproductive characteristics of the allocated for the targeted use of their own bioresources, taking into account the possibilities of a comprehensive study of generative qualities and assessment of biological potential. It was found that the stability of fruiting is fixed a few years after entering the generative phase: Robinia and Gleditsia 67 years. The first flowering in Gleditsia triacanthos and G. texana, G. aquatica was observed at the age of 5 years, G. japonica 6, G. caspica and G. sinensis 8 years. Fruit setability depends not only on the age of the plant, but also on weather conditions during flowering. Seed productivity is affected by the amount of precipitation and the amount of active temperatures during the ripening period. The formation of larger fruits and seeds is observed in the age of 15 years. As a result of studies (20172019), the influence of limiting factors on the biological potential of flowering, fruiting and seed production to determine the areas of their cultivation was revealed.

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