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Source : Advances in Microbio ... ✕Faculty / Institute : Ziraat Fakültesi ✕
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Biological Control of Erwinia carotovora ssp. carotovora by Streptomyces Species

Tinatin DOOLOTKELDİEVA | Saykal BOBUŞOVA

Ten isolates of Erwinia carotovora ssp. carotovora (Ecc) were isolated from infected potato tubers of Picasso, Sante, and Nevskiy varieties collected from different regions in Kyrgyzstan. Isolates were identified as Erwinia carotovora ssp. carotovora (Ecc) by standard bacteriological techniques and pathogenicity tests on tubers and also by PCR analyses. Tests on the pathogenicity of E. carotovora ssp. carotovora (Ecc) strains to host plants by artificial inoculation have shown a high sensibility of the Picasso variety. As a result, five isolates were chosen, three isolates (EcPo1, EcPo2, and E ...More

Article 2016 Ziraat Fakültesi Advances in Microbiology6 ( 2 ) 81 Views
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Fire Blight Disease Caused by Erwinia amylovora on Rosaceae Plants in Kyrgyzstan and Biological Agents to Control This Disease

Tinatin DOOLOTKELDİEVA | Saykal BOBUŞOVA

Erwinia amylovora species were isolated from the blossoms, exudates, infected fruits, leaves and bent branches of diseased apple, pear and hawthorn trees, selected in the Chy, Osh and Jalal Abad regions. Biochemical and pathogenicity tests, alongside PCR analyses, were conducted to identify the local isolates of Erwinia amylovora. The alternative antagonistic microorganisms which combat bacterium E. amylovora were tested within in vitro and in vivo conditions. The results revealed the ability of Streptomyces antagonistic bacteria to decrease fire blight severity on pear and apple trees during ...More

Article 2016 Ziraat Fakültesi Advances in Microbiology6 ( 11 ) 133 Views
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Effects of Streptomyces Biofertilizer to Soil Fertility and Rhizosphere’s Functional Biodiversity of Agricultural Plants

Tinatin DOOLOTKELDİEVA | Saykal BOBUŞOVA | Mahabat KONURBAYEVA

In the present study, a biofertilizer on the basis of Streptomyces fumanus gn-2 was used for the treatment of wheat and soybean seeds (dose 104 spore/ml) before planting them in soil with low fertility in order to determine the effect of this biological agent on germination rate; the growth of seedlings, shoots, and the maturation phase of plants; the rhizosphere’s functional biodiversity; and the resistance of these plants to pathogens. Seeds were soaked in the suspension for a period of two or three hours. During the growing season of the crop, no additional fertilizing and spraying of a bio ...More

Article 2015 Ziraat Fakültesi Advances in Microbiology5 ( 7 ) 60 Views
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Scab Disease Caused by Venturia inaequalis on Apple Trees in Kyrgyzstan and Biological Agents to Control This Disease

Tinatin DOOLOTKELDİEVA | Saykal BOBUŞOVA

Among the most economically important fruit crops in South and North Kyrgyzstan affected by scab disease are apples (Malus domestica). Natural isolates of Venturia inaequalis were isolated from diseased parts of apple trees, selected from different regions, through sedimentation of air microflora on the crowns of fruit trees. Two biocontrol agents as Trichoderma viride and Streptomyces sр. were tested for apple scab control in vitro and field conditions. Two applications of Trichoderma viride within 35 days completely stopped the scab disease in seedling leaves. Within 40 days, the seedlings w ...More

Article 2017 Ziraat Fakültesi Advances in Microbiology7 ( 6 ) 60 Views
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