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Some evidence for skewed mating type distribution in Iranian populations of Rhynchosporium commune, the cause of barley scald disease

100%

Arzanlou M., Karimi K., Mirabi F.

Journal of Plant Protection Research

2016

tom 56

nr 3

Rhynchosporium commune (formerly known as Rhynchosporium secalis), the causal agent of scald disease on barley, is known to spread asexually by splash dispersed conidia. However, there are multiple lines of evidence for the possibility of a clandestine sexual cycle occurrence in this species including extensive genotypic diversity, equal distribution of mating type alleles across the world and expression of mating type genes. In the current study, the potential for the occurrence of a sexual cycle amongst the Iranian population of R. commune was assessed by analyzing distribution and frequency of the mating type alleles at both micro and macrospatial scales. A total of 95 single-conidial R. commune isolates were obtained from different barley fields in Kurdistan province. Previously designed primers were applied in a multiplex PCR assay to study distribution and frequency of the mating type alleles within and between populations. Totally, 67 isolates were determined as MAT1-1 and the remaining 28 isolates as MAT1-2 throughout the sampling counties. The results obtained at a macro-spatial scale revealed that unlike Kamyaran county (both MAT1-1 and MAT1-2 at an equal ratio), an unequal distribution of mating type genes was dominant among R. commune isolates in both Mariwan and Dehgolan counties. Our findings support a predominantly asexual reproduction for Mariwan and Dehgolan counties and the possibility of sexual stage occurrence in Kamyarna county.

Jak chronić zboża jare?

80%

Korbas M., Horoszkiewicz-Janka J.

Farmer

2018

nr 02

Susceptibility of winter triticale, to glume blotch, leaf rust and scald

70%

Wos H., Mackowiak W., Cichy H., Paizert K.

Hodowla Roślin, Aklimatyzacja i Nasiennictwo

1994

tom 38

nr 3-4

Ograniczanie wyników

1 Farmer

1 Hodowla Roślin, Aklimatyzacja i Nasiennictwo

1 Journal of Plant Protection Research

1 Arzanlou M.

1 Cichy H.

1 Horoszkiewicz-Janka J.

1 Karimi K.

1 Korbas M.

1 Mackowiak W.

1 Mirabi F.

1 Paizert K.

1 Wos H.

1 2018

1 2016

1 1994

Wyniki wyszukiwania

Some evidence for skewed mating type distribution in Iranian populations of Rhynchosporium commune, the cause of barley scald disease

Jak chronić zboża jare?

Susceptibility of winter triticale, to glume blotch, leaf rust and scald