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Issue №: 4 (19)

Published: 2020.12.31
DOI: 10.37128/2707-5826-2020-4


Description:
The issue of the journal deals with the study of optimization of technological methods of growing crops using of drugs of biological origin. A special role is given to the influence of perennial grasses on the improvement of soil fertility, ecological-adaptive selection, peculiarities of vegetable growing, ecology and environmental protection, introduction of ornamental plants.

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ECOLOGICAL STABILITY MAIZE HYBRIDS RELATIVELY GRAIN YIELD IMPORTANT CONDITION INCREASE IN GROSS PRODUCTION

DOI: 10.37128/2707-5826-2020-4-15
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Cherchel Vladyslav Yuriyovych – Corresponding Member of the National Academy of Agrarian Sciences of Ukraine, Doctor of Agricultural Sciences, Senior Researcher, Director of the State Enterprise Institute of Grain Crops of National Academy of Agrarian Sciences of Ukraine (49027, Dnipro, 14, Volodymyra Vernadskoho St., e-mail: vlad_cherch @ ukr.net).

Stasiv Oleh Fedorovych – Candidate of Economic Sciences, Associate Professor, Director of the Institute of Agriculture of the Carpathian Region of the National Academy of Agrarian Sciences of Ukraine (81115, Lviv region, Pustomitivskyi district, Obrosheno village, e-mail: inagrokarpat@gmail.com).

Bodenko Natalya Anatoliyivna – Candidate of Agricultural Sciences, Senior Researcher, Scientific Secretary of the State Enterprise Institute of Grain Crops of National Academy of Agrarian Sciences of Ukraine (49027, Dnipro, 14, Volodymyra Vernadskoho St., e-mail: bode.n@ukr.net).

Kupar Yuliya Yuriyivna – junior researcher of the State Enterprise Institute of Grain Crops of National Academy of Agrarian Sciences of Ukraine (49027, Dnipro, 14, Volodymyra Vernadskoho St., e-mail: yliya.311285@gmail.com).

Annotation

The relevance of the conducted scientific analysis of long-term data of the competitive test of the State Institution Institute of Grain Crops of the NAAS, regarding the grain yield of maize hybrids, is due to the problems of climate change that has been observed. Due to an increase in air temperature and a long without a frosty period, corn is not only guaranteed to ripen in the Steppe, with timely sowing and harvesting, but also has a harvest moisture content of grain close to the base. Corresponding climate changes motivated the rapid expansion of the territory of corn cultivation in Ukraine, an increase in acreage, gross production, and grain yield of this crop. However, the dangers caused by stress factors of the flight period are increasing, which focuses on the problem of creating hybrids that are resistant to the extreme conditions of the northern Steppe. Due to the determination of the parameters of the tolerant types, models of hybrids were formed and recommended for use in production in the conditions of various ecological territories of Ukraine. The article discusses the results of the progress of the yield of corn hybrids due to breeding improvement, reflected in changes in the actual indicators of grain harvest and harvest moisture of grain caused by climate change and their impact on the elements of crop cultivation technologies. It was determined that under stressful conditions, the grain yield of maize hybrids decreased by an average of 2.9 t / ha, and the harvest moisture content of the grain increased by 1.6%. It was also noted that over the past 25 years, the yield of corn grain in the test, on average for a five-year period, increased from 5.69 (1995-1999) to 7.14 t / ha (2016-2020) with a decrease in the harvest moisture content of grain from 22.4 to 16.1%. In the discussion of the research results, the regularities of the formation of the trait "drought resistance" of hybrids are revealed, the genetic and agrotechnological components of the formation of the trait, their influence on the characteristics of crop cultivation are distinguished. As a result, the value of a hybrid with an average but stable grain yield, which is determined by economic feasibility, is proved, in comparison with high-intensity forms, which are characterized by significant fluctuations. In order to obtain high and stable yields of corn grain in each farm, it is necessary to plan the varietal structure of crops with an assortment of hybrids that have a diverse type of reaction to the variability of environmental conditions.

Keywords: maize, hybrid, grain yield, harvest moisture of grain, ecological stability, drought resistance, cold resistance.

List of references

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2.Rybalkin P. N. (1999). Nasledie akademika zhivet y razvivaetsya. [Theacademician's legacy lives on and develops]. Henetika, selektsiya i tekhnolohiya vozdelivaniya kukuruzy: sb. nauch. tr. KNIISKh. Krasnodar: Maykop: RIPO «Adyheya». 8–12. [in Russian].

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About journal

Topics of the journal:

Topics of the Journal:

Program goals (basic principles): questions of technology and efficiency of crop production, scientific and industrial aspects of agronomic specialties, ecology and forestry.

Articles on such scientific problems are accepted for printing:

Plant production, current state and prospects for development.

Agrochemistry and modern aspects of fertilizers and biologically active substances application.

Feed production, current state and prospects for development.

Selection, seed production, seed science and varieties.

Protection of plants.

Soil managment and soil quality improvement.

Forestry and gardening.

Vegetables and mushrooms, current status and development trends.

Ecology and environmental protection.

Theory and history of agricultural sciences and forestry.

Modern directions of development of arable land and forestry.

Innovative and investment activities in agriculture and forestry.

Directions and efficiency of crop production

Bioenergy resources of crop production and forestry.

Production of renewable energy from biological resources.

Organic farming, the main area of development and production of organic products.

Agriculture and modern crop rotation and soil cultivation.

Horticulture and viticulture.

Processing and storage of crop products.

Beekeeping, current status and development trends.

Contemporary biological research in crop production and forestry.

Progressive technologies of the agricultural complex.

Psychological and pedagogical problems of agrarian education.

The young scientist opinion.

 

Key information:
ISSN (print): 2707-5826
DOI: 10.37128/2707-5826
Key information:
ISSN (print): 2707-5826
DOI: 10.37128/2707-5826
Scientific journal "AGRICULTURE AND FORESTRY" was founded  in 1995;  it was entitled as  Bulletin of Vinnytsya State Agricultural Institute.
In 2010-2014 was enritled as Collection of scientific works of Vinnytsia National Agrarian University.
It has been named as Agriculture and Forestry since 2015.
 
Certificate of mass media state registration No. 21363-11163 Р of June 09, 2015
1. Founder (co-founder): Vinnytsia National Agrarian University.
2. Type of publication: journal.
3. Publication status: domestic.
4. Title(s) of publication: Agriculture and Forestry.
5. Language(s) of the publication: Ukrainian, Russian, and English.
6. Spread: nationwide.
7. Categories of readers: students, postgraduates, scientists, employees of agroindustrial complex, state bodies of management.
8. Program goals (basic principles): questions of technology and efficiency of crop cultivation, scientific and industrial aspects of agronomic specialties, ecology and forestry.
9. Estimated periodicity of issue, volume (in conventional printed sheets) and format of publication: twice a half year, 7.5-15 conventional printed sheets, format: A4.
10. Legal address of the founder: 21008, Vinnytsia, Soniachna Street, 3; telephones: (0432) 56-03-13; 35-70-84, fax: (0432) 43-80-25; e-mail:
11. Location of the editorial office: 21008, Vinnytsia, Soniachna Street, 3.
12. Type of publication by purpose: agriculture and forestry, scientific production.
History of journal:

Journal History:

Scientific journal "AGRICULTURE AND FORESTRY" was founded  in 1995;  it was entitled as  Bulletin of Vinnytsya State Agricultural Institute.

In 2010-2014 was enritled as Collection of scientific works of Vinnytsia National Agrarian University.

It has been named as Agriculture and Forestry since 2015.

Listed in the updated list of scientific professional editions of Ukraine on agricultural sciences under the name Agriculture and Forestry (Order of the Ministry of Education and Science of Ukraine of May 16, 2016; No. 515).

Since 2015, "Agriculture and Forestry".  (archive of previous issues for 2015-2019) at http://forestry.vsau.edu.ua/.

The journal “Agriculture and Forestry (ISSN: 2707-5826)” passed the Index Copernicus evaluation process positively and is indexed in the database of ICI Journals Master List for 2018 (international citation database).  Based on the information provided in the evaluation and analysis of journal issues for 2018 and 2019, Copernicus Experts experts calculated the value of the Copernicus Index (ICV) for 2018.  ICV for 2018 is presented in the full list of indexed journals in the Master List International List 2018 https://journals.indexcopernicus.com/search/formjml and in the journal passport https://journals.indexcopernicus.com/search/ details?  Master List International List 2019 https: id = 65401;  https://journals.indexcopernicus.com/search/formjml

According to the order of the Ministry of Education and Science of Ukraine from 17.03.2020 № 409. Journal of Agriculture and Forestry is included in the List of scientific professional publications of Ukraine Category "B" in agricultural sciences (specialties) - 101, 201, 202, 203, 205, 206.