The fire blight prevalence on different varieties of apple trees in the main industrial zone of horticulture (south and south-east of Kazakhstan)

Apple is the most significant fruit in Kazakhstan, as well many other countries of world. According to Statistics Agency 2020, apple cultivation area Kazakhstan about 36 thousand hectares with a gross har-vest 259.1 tons. The fire blight crops, particular trees, one harmful infectious diseases, rapidly spreading and cre-ating constant threat plantations Kazakhstan. In order avoid further spread territory it very important grow varieties trees resistant blight. article pre-sents results on zoned, introduced, promis-ing main industrial zone horticulture (Turkestan, Zhambyl, Almaty regions). As result bacteriological analy-sis selected samples, 8 bacterial isolates were extracted from such Aport, Voskhod, Sinap Almaty, Maksat, Golden Delicious, Kon-fetnoye, Pinova, Pink Lady, which, like causative agent by morphological cultural characteristics. Bacterial pathogenicity testing immature showed positive test confirming presence bacterium Erwinia amylovora,