Severe outbreaks of Phytophthora infestans on potato in Turkey caused by recent changes in the pathogen population structure

被引：5

作者：

Gore, Mehmet Erhan ^{[1
]}

Altin, Nedim ^{[2
]}

Yaman, Tolga ^{[1
]}

Myers, Kevin ^{[3
]}

Cagli, Abdurrahman ^{[4
]}

Cooke, David E. L. ^{[5
]}

Pirlak, Ugur ^{[4
]}

Alkan, Mehtap ^{[1
]}

Kabakci, Huseyin ^{[1
]}

Zencirci, Nusret ^{[6
]}

Fry, William Earl ^{[3
]}

Ozer, Goksel ^{[1
]}

机构：

[1] Abant Izzet Baysal Univ, Fac Agr & Nat Sci, Dept Plant Protect, TR-14030 Bolu, Turkey

[2] Duzce Univ, Fac Agr & Nat Sci, Dept Plant Protect, TR-81620 Duzce, Turkey

[3] Cornell Univ, Dept Plant Pathol & Plant Microbe Biol, 334 Plant Sci Bldg, Ithaca, NY 14853 USA

[4] Minist Agr & Forestry, Gen Directorate Agr Res & Policies, Potato Res Inst, TR-51100 Nigde, Turkey

[5] James Hutton Inst, Dundee DD2 5DA, Scotland

[6] Abant Izzet Baysal Univ, Fac Arts & Sci, Dept Biol, TR-14030 Bolu, Turkey

来源：

PHYTOPARASITICA | 2019年 / 47卷 / 05期

关键词：

Genotype; Late blight; Mefenoxam resistance; Virulence phenotype; LATE BLIGHT; CLONAL LINEAGES; PHENOTYPIC CHARACTERIZATION; PCR AMPLIFICATION; GENETIC-STRUCTURE; FAMINE PATHOGEN; TOMATO; GENOTYPES; RESISTANCE; DIVERSITY;

D O I：

10.1007/s12600-019-00768-5

中图分类号：

S3 [农学（农艺学）];

学科分类号：

0901 ;

摘要：

Potato late blight, caused by Phytophthora infestans, has been the most damaging disease in Turkey since 2010. In this study, 127 isolates of P. infestans were obtained from the main growing areas of Turkey between 2015 and 2017. Their phenotypic and genotypic features were revealed and presented with those of reference isolates. These isolates were categorized by their mating type, in vitro mefenoxam sensitivity, mtDNA haplotype, RG57 DNA fingerprinting patterns, simple sequence repeat (SSR) markers, and aggressiveness on a set of potato differential lines. All isolates were of the A2 mating type and mtDNA haplotype Ia, were resistant to mefenoxam, and had RG57 and SSR fingerprints similar to the 13_A2 clonal lineage reported in Europe. This is the first report of 13_A2 in Turkey. Virulence abilities against potato resistance (R) genes R1, R2, R3, R4, R6, R7, R10, and R11 were observed in most of the isolates. The mating type ratios and SSR marker analysis indicate that in Turkey, the sexual reproduction of P. infestans is limited. These results underline that the movement of asexual individuals and the generation of sub-clonal difference are the factors driving the population structure of P. infestans in Turkey.

引用

页码：693 / 709

页数：17

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