PJB-2011-2
GENETIC ANALYSIS OF RACE-SPECIFICITY OF PSEUDOMONAS SYRINGAE PV. GLYCINEA
FARHATULLAH1*, MARK M. STAYTON2 AND ROBIN W. GROOSE3 MOHAMMAD JAMAL KHAN4
Abstract
The reactions of soybean cultivars to known races of Pseudomonas syringae pv. glycinea (Psg) in the light of known avirulence (avr) genes and their corresponding resistance genes were reevaluated to predict if new avr genes and corresponding resistance genes exist. The cloned avrD gene from tomato pathogen induced a unique pattern on these lines and elicits hypersensitive reaction on those lines which carry disease resistant gene Rpg4. None of the known races of psg carries avrD gene that elicit the resistant reaction on soybean carrying the disease resistant gene Rpg4.
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