name
Kremneva Oksana Yuryevna
Scholastic degree
•
Academic rank
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Honorary rank
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Organization, job position
• All-Russian Research Institute of Biological Plant Protection
лаборатория иммунитета зерновых культур к грибным болезням
старший научный сотрудник
Research interests
биология, фитопатология, популяционная структура, микроэволюционные процессы возбудителя бурой ржавчины пшеницы, управление популяциями, экология биосистем
Web site url
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Current rating (overall rating of articles)
0
TOP5 co-authors
Articles count: 4
Сформировать список работ, опубликованных в Научном журнале КубГАУ
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Description
Puccinia triticina isolates from North Caucasus and Leningrad region were compared in regard to the genetic structure, phenotypic composition as well as frequency of occurrence of RAPD-phenotypes and polymorphous major fragments with the help of Rogers index. Did not demonstrate any significant differences according to their genetic structure and occurrence of major fragments of DNA-polymorphism. The difference of isolates from given regions was determined with high degree of confidence according to the phenotypes of virulence and RAPD-phenotypes
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06.00.00 Agricultural sciences
Description
The development of leaf spot pathogens (yellow leaf spot and septoria spot) has been studied in Belarus and North Caucasian Region of Russia. The resistant wheat cultivars to the pathogens have been revealed
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RESISTANCE OF WINTER WHEAT CULTIVARS TO YELLOW LEAF SPOT PATHOGEN
06.00.00 Agricultural sciences
Description
The results of immunological assessment of winter wheat varieties included in the State register of breeding achievements of the Russian Federation and the variety of different types of resistance to yellow leaf spot pathogen are presented in this article
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EFFICIENCY OF CHEMICAL FUNGICIDES AGAINST LEAF TAN SPOT OF WHEAT
06.00.00 Agricultural sciences
Description
In recent years leaf tan spot had dominated into pathogenic complex of wheat in southern Russia. The causative agent of this disease is hemibiotrophic ascomycete Pyrenophora tritici-repentis (Died.) Drechsler; imperfect state of Drechslera triticirepentis (Died) Shoem. It causes two different symptoms in susceptible wheat varieties: chlorosis and necrosis. Under epiphytotic disease progression crop losses can achieve 65%. One of the most important elements of phytosanitary control of wheat cenosis is scientifically relevant chemical fungicides application. Biological efficiency of some fungicides against Pyrenophora tritici-repentis has been estimated. Research was conducted on the experimental ground of FSBSI ARRIBPP on the variety susceptible to the pathogen – Krasnodarskaya 99. Preparations were tested one time at leaf-tube formation (Z37) phase or two times: at leaf-tube formation (Z37) and start of heading (Z51) stages. Double treatment was more effective than a single one. Fungicides “Amistar extra” and “Prozaro” have got the high biological efficiency – 80,7 and 83,7%, consequently, and longer protective period (up to 40 days) in comparison to every tested fungicides
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