Bacterial blight of soybean in Vojvodina Province [Serbia]: [Master thesis]
2007
Ignjatov, M.
Bacterial blight caused by Pseudomonas syringae pv. glycinea is a disease of soybean appearing regularly with high intensity in Serbia. Infected soybean leaves were collected from several localities and different varieties grown in the Vojvodina Province, Serbia (Srbobran, Tovarisevo, Lacarak, Njegosevo, Backa Topola, Calma, Subotica, Begec) and in the Republic of Srpska, Bosnia and Herzegovina (Bijeljina) during 2005. It was found that studied isolates belong to Pseudomonas syringae pv. glycinea. Differential soybean sortiment: Acme, Chippewa, Flambeau, Harosoy, Lindarin, Merit and Norchief was used to determine which physiological race the isolates belonged to. Young plants were inoculated in two ways: by spraying leaves under pressure and by rubbing leaves with sterile cotton swab dipped in an aqueous bacterial suspensions. Reaction of 12 soybean varieties and two lines from different groups were investigated under natural field infection and under glass house conditions. Chosen soybean genotypes included in the study showed different level of sensitivity to P.s.pv. glycinea. Statistically significant differences of sensitivity between individual genotypes and lines were determined. Genotypes 000 and 00 maturity group were the most sensitive.
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