Journal ArticleOpen Access
Virulence of Puccinia Recondita F. sp. Tritici on Winter Wheat in Ukraine in 2007
Authors
Author Affiliations
Islamic University, Islamic Azad University, Shoushtar Branch, Radiation Protection Institute
Published InJournal of Plant Protection Research
Year2009
Citations1
Abstract
Thatcher and 36 near-isogenic Thatcher lines with different Lr genes for resistance to Puccinia recondita f. sp. tritici were planted in field plots at one location each in the eastern and central parts of the forest-steppe region of Ukraine where they were exposed to natural epiphytotics of leaf rust. Disease severity on the lines indicated that Lr9, Lr19, Lr24, Lr25, and Lr28 had highly effective resistance in both locations. Lines with Lr27+Lr31, Lr35, and Lr36 were resistant in the eastern location and highly resistant in central location. Bulk collections of P. recondita from fields of nine Ukrainian winter wheat cultivars in the eastern location were inoculated onto seedlings of each of the 36 Thatcher near-isogenic lines. Lines with Lr9, Lr19,…
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