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[Hormonal balance of wheat infected with Helminthosporium sativum]
L G Iarullina1, R I Ibragimov, R R Akhmetov
1Department of Biochemistry and Cytochemistry, Ufa Scientific Center, Russian Academy of Sciences, pr. Oktyabrya 69, Ufa, 450054 Bashkortostan.
Izvestiia Akademii Nauk. Seriia Biologicheskaia
|August 30, 2001
Abstract:
Using immunoenzyme assay, we studied the levels of phytohormones in resistant and susceptible varieties of wheat infected with Helminthosporium sativum. The infection of wheat with this pathogen leads to an increase in cytokinins in plants of the resistant variety in the presence of stable IAA/ABA ratio. The level of ABA increases in the infected plants of the susceptible variety. The role of hormones in the mechanisms of plant resistance to fungal infections is discussed.