Renat Abdullaev

N. I. Vavilov All-Russian Institute of Plant Genetic Resources · Genetic

Background . Sorghum is a universal, highly drought-resistant crop, widely cultivated throughout the world. Sorghum grain has a valuable biochemical composition and is utilized in both food and feed production. Due to the unique structure of endosperm storage proteins, kafirins, adding sorghum flour to dough is promising for producing dietetic nutr...

BACKGROUND: Barley is an important grain crop characterized by adaptability to various growing conditions. In recent years close attention has been paid to groups of naked barley which compared to covered barley is more susceptible to the influence of pathogens, that decreases the yield and quality of grain. Powdery mildew is the most harmful disea...

Narrow-leaved lupine is a valuable high-protein fodder crop, also promising for food use. The species composition of harmful organisms feeding on lupine has not been sufficiently studied. In 2019–2021 in the north-west of the Russian Federation (St. Petersburg, Pushkin), the species composition of insects inhabiting accessions of lupine of various...

Vladimir Aleksandrovich Koshkin was a prominent representative of the school of plant physiologists at the N.I. Vavilov All-Russian Institute of Plant Genetic Resources (VIR). He introduced his ideas on the mechanisms of photosynthesis intensity as well as the distribution of photoperiod sensitivity and the rate of development among plant species d...

Зерновая культура полба – это уникальный продукт со сбалансированным витаминно-минеральным составом, превосходящий по содержанию ценных веществ мягкую пшеницу. Родина злака – страны Средиземноморья. После длительного периода забвения полба Triticum dicoccum (Schrank) Schuebl вновь появилась в посевах европейских стран и активно культивируется в Ира...

Background. The use of barley cultivars resistant to greenbug ( Schizaphis graminum Rondani) is an effective, economical and ecology-friendly way to control the dangerous phytophage. The insect is able to overcome the resistance of the host plant, which necessitates a relentless search for new genes to ensure reliable protection of barley fields fr...

Background . Barley (Hordeum vulgare L.) is one of the key food crops, ranking fourth in the world in terms of sown area and production among cereals. Often, one of the main factors that reduces yield and product quality is the spread of fungal pathogens in commercial crops. Powdery mildew (causative agent: Blumeria graminis (DC.) Golovin ex Speer...

Wild-growing barley is widely distributed in Dagestan from the coastal lowland to the subalpine zone and is a good fodder and soil-strengthening plant. The study of wild-growing species of barley in the aspect: distribution, systematic diversity, significance are devoted to the works of prominent scientists (Vavilov, Grossheim, Lvov, Kobylyansky, O...

The greenbug, Schizaphis graminum, is a dangerous pest of barley and other grain crops in the south of Russia. An effective and environmentally friendly way to control this insect is to cultivate resistant varieties. The differential interaction between the phytophage and host plants necessitates the search for new donors of resistance. Seven hundr...

Background. Barley is an ancient crop currently cultivated in more than 100 countries. High adaptability makes it possible to cultivate it in environments unfavorable for many other crops. At the same time, fungal diseases can have a negative impact on its grain yield and quality. One of the most harmful is the fungus Blumeria graminis (DC.) Golovi...

BACKGROUND: Significant damage to barley crops in the southern regions of the Russian Federation is caused by the greenbug Schizaphis graminum Rondani. Cultivation of resistant varieties is a cheap, efficient and environmentally friendly way to combat the phytophage. The specificity of relations between S. graminum and barley is shown, that determi...

Background . A significant reduction in the yield of barley may be provoked by powdery mildew (causative agent: Blumeria graminis (DC.) Golovin ex Speer f. sp. hordei Marchal). A vast majority of cultivars approved for use in Russia are susceptible to the pathogen. Including genotypes protected by previously unused resistance genes into breeding pr...

BACKGROUND: Cultivated plants grown in the northern regions of Russia are subject to strict requirements in terms of their ability to produce a high yield during short growing season. Important adaptive traits that affect crop yield are early maturity and insensitivity to photoperiod. The search and involvement in breeding programs of new sources o...

The genetic resources of cereal crops in terms of resistance to aphids are reviewed. Phytosanitary destabilization led to a significant increase in the harmfulness of this group of insects. The breeding of resistant plant genotypes is a radical, the cheapest, and environmentally safe way of pest control. The genetic homogeneity of crops hastens the...

Background. The search for barley ( Hordeum vulgare L.) genotypes that carry effective genes for resistance to powdery mildew agent Blumeria graminis f. sp. hordei is a present-day issue for Russian plant breeding. The mlo11 allele that confers long-term protection of barley against the pathogen is rarely found among the varieties, approved for cul...

Background . Narrow-leaved lupine ( Lupinus angustifolius L.) is an important high-protein forage and green manure crop, also promising for food use. This is a plastic species produced under various ecogeographic conditions and the only cultivated species of lupine adapted to high northern latitudes – up to 60° NL. Gradual expansion of lupine produ...

Powdery mildew caused by the parasitic fungus Blumeria graminis (DC.) Golovin ex Speer f. sp. hordei Marchal is one of the most common diseases of barley. Growing resistant varieties can significantly minimize harmful effects of the pathogen. The specificity in the interaction between the fungus and its host plant requires a continuous search for n...

Background. Paratypic variability of the development rates of barley accessions from the Republic of Dagestan was analyzed for five years in the Northwe st of Russia (Pushkin, St. Petersburg) and in the North Caucasus (Derbent, Dagestan). Responses to vernalization, photoperiodism and earliness per se were tested in contrasting environments to asse...

Background.The most effective way of protecting crops from diseases and pests is the breeding and cultivation of resistant varieties. The hydrothermal regime in the southern plains of Dagest an favors damage to barley plant s by the causative agent of powdery mildew. The high level of disease progress observed annually helps to reliably assess the...

Currently, the problem of broadening the diversity of cultivated barley varieties based on the effective genes for resistance to the leaf rust causal agent Puccinia hordei has become relevant. In 2018–2019 the resistance of 925 barley accessions from Ethiopia to the northwestern (St. Petersburg, Pushkin) pathogen population was evaluated. The acces...

41 НАУЧНЫЕ ИССЛЕДОВАНИЯ Р а с т е н и е в о д с т в о и с е л е к ц и я At the Dagestan experimental station, 360 samples of barley were studied from the world gene pool of the VIR named after NI Vavilov. The sample was represented by 2-and 6-row, winter and spring, of different eco-geographical origin forms of culture. As a result of the long-term...

Background. Resistance to lodging is a factor that significantly affects the yield of barley under the conditions of irrigated agriculture and intensive type of farming. Barley resistance to lodging depends on many features, among which the length of the plant stem is more important. Materials and methods. In the southern planar area of Dagestan, f...

Background. The genetic variability of the period between the germination and heading phases was analyzed in barley accessions from the Republic of Dagestan planted in the southern area of Dagestan (Derbent) and the Northwest of Russia (Pushkin, St. Petersburg). Testing barley development rates under contrasting climate conditions of Russia makes i...

Работа выполнена на Дагестанской опытной станции ВИР. Материалом для исследований служили коллекционные образцы ячменя. Изучена устойчивость 1089 образцов ячменя культурного к мучнистой росе. Полевые опыты закладывали в один срок при озимом посеве. Исследования проведены в соответствии с Методическими указаниями ВИР. Рассмотрена возможность связи у...

Background. The most rational way to reduce barley crop losses from diseases, pests and adverse edaphic factors is cultivation of resistant varieties. The specificity of the host– pathogen interactions necessitates a constant search for new donors of resistance for breeding, and phytosanitary monitoring of cultivars. Materials and methods . The res...

Background . Analyzing the adaptive potential of cultivated barley with the aim of using new genotypes selected and developed in the process of work is a priority trend in scientific research. The Ethiopian barleys adapted to a variety of soil and climate conditions are characterized by many valuable biological and agronomic traits. Of particular v...

Powdery mildew (causal agent Blumeria graminis) is a widespread and harmful fungi disease of cereal crops especially in the regions with humid climate. The pathogen is differentially interacting with plant host genotypes. Growing cereal crop varieties protected with different resistance genes is the most rational, costly and ecologically safe way o...

Patterns of the genetic structure dynamics of Krasnodar and Dagestan populations of the greenbug, Schizaphis graminum Rondani, in terms of host virulence and molecular markers were examined. High seasonal polymorphism of two North Caucasian insect populations in terms of virulence frequencies to sorghum accessions protected by the major resistance...

Background . Resistance to lodging is a factor that significantly affects the yield of barley under the conditions of irrigated agriculture and intensive type of farming. Barley resistance to lodging depends on many features, among which the length of the plant stem is more important. Materials and methods. In the southern planar area of Dagestan,...

The annual legume crop clusterbean (Cyamopsis tetragonoloba (L.) Taub.) is a promising crop for cultivation in the south of Russia. In 2018, phytosanitary examinations of clusterbean fields (13 collection accessions) were conducted in five VIR branches (Krasnodar Territory, Dagestan, Astrakhan and Volgograd Regions). At all points, several types of...

In laboratory experiments, 925 Ethiopian barley accessions were studied for juvenile resistance to the northwest population of powdery mildew causative agent Blumeria graminis (DC.) Golovin ex Speer f. sp. hordei Marchal. Based on phenotypic screening, the 27 accessions resistant to the pathogen were selected and 47 forms were heterogenous for the...

Nine hundred and twenty five Ethiopian barley accessions were studied under laboratory experiments for juvenile resistance to North West population of powdery mildew casual agent Blumeria graminis (DC.) Golovin ex Speer f. sp. hordei Marchal. Based on phenotypic screening, the 27 accessions resistant to the pathogen were selected and 47 forms were...

The period between shooting and earing stages was investigated in a group of 265 barley accessions from Dagestan. The accessions k-15008 and k-15013 were characterized by the highest development rate in South Dagestan. In Northwest Russia the early accession k-15027 was revealed. In 207 barley accessions the dominant and recessive alleles of the Pp...

The duration of the shooting–earing period of 265 barley samples from Dagestan was studied. During the 3 years of study at the Dagestan Experimental Station of VIR (Derbent), fast-ripening samples k-15008 and k-15013 were identified. Evaluation of spring forms in the northwestern region of the country made it possible to identify sample k-15027, wh...

The mlo11 allele associated with the loss of function of the Mlo locus and controlling mildew resistance in the majority of modern barley cultivars was identified in Ethiopian barley landraces. Twenty-seven accessions from Ethiopia were studied during laboratory experiments which resulted in identifying k-5448 as an accession resistant to powdery m...

For three years 265 barley accessions from Dagestan were analyzed for the duration of the period between shooting and earing stages. Under the conditions of south planar area of Dagestan, the early accessions k-15008 and k-15013 have been selected. The accession k-15027 was characterized by a high rate of development in the Northwestern area of the...

Intraspecific diversity of Dagestanian barley was structured on the basis of data on DNA polymorphism and resistance to harmful organisms. A significant polymorphism and heterogeneity of the majority of Dagestanian barley forms was revealed with the use of molecular markers. Under epiphytotic conditions, five accessions were characterized by resist...

At the Dagestan experimental station, 360 samples of barley were studied from the world gene pool of the VIR named after NI Vavilov. The sample was represented by 2- and 6-row, winter and spring, of different eco-geographical origin forms of culture. As a result of the long-term laboratory-field studies, samples with a productivity of more than 500...

Laboratory and field assessment of 436 samples of winter barley of different systematic affiliation and ecological and geographical origin was carried out at the Dagestan experimental station. Productive varieties of winter barley are selected from the world collection. Samples were evaluated by precocity. The date of earing is used as a criterion....

The work was performed at the Dagestan experimental station VIR. The research material was collected samples of barley. A field study of the resistance of 1089 samples of cultural barley to powdery mildew was carried out. Field experiments were laid in one term during winter sowing. Laboratory and field studies were conducted in accordance with the...