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Radchenko E.E.,Ni Vavilov All Russian Research Institute Of Plant Industry
Czech Journal of Genetics and Plant Breeding | Year: 2011

The resistance of Triticum ssp. to English grain aphid (Sitobion avenae F.) and bird cherry-oat aphid (Rhopalosiphum padi L.) has been studied in different regions of Russia and the former Soviet Union. The dependence of resistance to aphids on the wheat genome constitution was determined. Diploid species with genomes A u (Triticum urartu) and A b (T. boeoticum, T. monococcum) are the most resistant. Possessing a D genome in the species T. kiharae and T. miguschovae gives high resistance. Resistance controlled by the G genome is overcome by the pests. Source


Li J.,Chinese Academy of Agricultural Sciences | Gao H.,Chinese Academy of Agricultural Sciences | Wang Z.,Chinese Academy of Agricultural Sciences | Jiang J.,Chinese Academy of Agricultural Sciences | And 3 more authors.
Plant Physiology and Biochemistry | Year: 2013

Gibberellins (GAs) are well-known phytohormones that contributeto a wide range of plant growth and development functions including stem elongation and leaf expansion. GA receptors perceive GA and transmit signals to activate GA-regulated reactions. In this study, a GA receptor gene with homology to other leguminous plants was isolated from Galega orientalis and termed GoGID. The 1732-bp full-length GoGID gene included an open reading frame of 1035bp encoding a peptide of 344 amino acids. Sequence analysis indicated that GoGID shares conserved HGGS motif and active amino acid sites (Ser-Asp-Val/IIe) that are essential for maintaining it GA-binding activity. GoGID mRNA expression was more abundant in leaves than in roots or stems and could be up-regulated by the exogenous hormones. Overexpression of GoGID in transgenic tobacco plants promoted plant elongation and improved biomass production. These results suggested that GoGID functions as a GA receptor to alter GA-mediated signaling. GoGID may have a role in genetic engineering for the improvement of forage crops. © 2013 Elsevier Masson SAS. Source


Mitrofanova O.P.,Ni Vavilov All Russian Research Institute Of Plant Industry | Strelchenko P.P.,Ni Vavilov All Russian Research Institute Of Plant Industry | Zuev E.V.,Ni Vavilov All Russian Research Institute Of Plant Industry | Street K.,International Center for Agricultural Research in Dry Areas | And 2 more authors.
Russian Journal of Genetics: Applied Research | Year: 2013

N. I. Vavilov considered the territory of Afghanistan, the site of one of the first centers of farming, to be Central Asia's hub of crop origin and diversity. This center also includes the hexaploid 42-chromosomal wheat with the AABBDD genomic formula. The agricultural regions of Afghanistan were surveyed repeatedly by scientific expeditions from various countries in order to collect wild and cultivated plants. The collected material was placed for storage in diverse genetic banks of seeds. The present article considers the distribution of Afghanistan landraces of bread wheat (Triticum aestivum L.) from the N. I. Vavilov Institute of Plant Industry (VIR) collection and the Australian collection (AWCC) depending on elevation above sea level and climate conditions (aridity/humidity). Data on the sources of valuable breeding characters identified among Afghanistan bread wheat are presented. In order to analyze the structure of its genetic diversity, a set sample consisting of 116 genotypes has been analyzed using 13 microsatellite loci. © 2013 Pleiades Publishing, Ltd. Source


Radchenko E.E.,Ni Vavilov All Russian Research Institute Of Plant Industry | Kuznetsova T.L.,Ni Vavilov All Russian Research Institute Of Plant Industry | Alpat'eva N.V.,Ni Vavilov All Russian Research Institute Of Plant Industry
Russian Journal of Genetics: Applied Research | Year: 2012

A high level of overall and seasonal variability of the Krasnodar greenbug population in terms of its virulence to sorghum and barley resistance genes, as well as RAPD markers, was discovered. Selection of insect genotypes specifically adapted to host plant species was recorded. Aphid clones that were avirulent to resistant sorghum samples were most abundant on barley. Greenbug migration from barley to sorghum led to rapid accumulation of clones that are virulent to sorghum resistance genes: Sgr1-Sgr4 and Sgr12. After alteration of the host, a significant shift of genotype groups similar in RAPD profiles was observed. Distribution of RAPD markers was independent of alleles of virulence of the insect. © 2012 Pleiades Publishing, Ltd. Source


Brutch N.B.,Ni Vavilov All Russian Research Institute Of Plant Industry | Sharov I.Y.,Ni Vavilov All Russian Research Institute Of Plant Industry | Pavlov A.V.,Ni Vavilov All Russian Research Institute Of Plant Industry | Porokhovinova E.A.,Ni Vavilov All Russian Research Institute Of Plant Industry
Russian Journal of Genetics: Applied Research | Year: 2011

In this work the results of long-term evaluation of lines of flax genetic collection created in VIR are generalized. A wide variability of fibre productivity and quality characters, and also stability of their manifestation in varying environment is revealed. The genotypes possessing contrast traits of productivity, quality and stability of their display in different years are distinguished. Dependence of correlations between the evaluated characters on the environment parameters is detected. The described lines can serve as a material for profound studying of physiological processes of fibre formation, for the analysis of traits inheritance and successful breeding. © 2011 Pleiades Publishing, Ltd. Source

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