Characterizing the pathotype structure of barley powdery mildew and effectiveness of resistance genes to this pathogen in Kazakhstan

Table 2 Source and number of Blumeria graminis f.sp. hordei isolates collected from commercial barley cultivares in two geographical regions in Kazakhstan from 2015 to 2016

Region	District	Host cultivar	Growth habit^a	Year	Number of isolates	Frequency of isolates, %^b
South Kazakhstan	Saryagash	Yuzhno-Kazakhstanskiy 43	W	2015	21	19.63
	Kazygurt	Saule	S	2015	16	14.95
	Tulkibas	Baisheshek	S	2016	20	18.69
	Ordabasy	Bereke 54	W	2015	9	8.41
Zhambyl	Merke	Baisheshek	S	2016	19	17.76
	Shu	Baisheshek	S	2016	14	13.08
	Ryskulov	Arna	S	2016	8	7.48

^aW – winter barley, S – spring barley
^bCalculated as number of isolates in each district as the proportion of the total number of isolates expressed as a percentage

ISSN: 1471-2229