AI Article Synopsis
- The study examined how two types of phlox plants respond to infections from different powdery mildew fungi.
- Infected plants showed a significant increase in phytohormones, specifically zeatin-riboside, as well as abscisic and salicylic acids, within 48 hours.
- The most resistant species, Phlox setacea, had the highest levels of these phytohormones and salicylic acid compared to the other species.
Article Abstract
We studied the effects of the invasion of Phlox paniculata L. and Ph. setacea L. by causative agents of the phlox powdery mildew (compatible combination) and lupine powdery mildew (incompatible combination) on the level of endogenous cytokinins and abscisic and salicylic acids. In all experimental variants, the level of zeatin-riboside and abscisic and salicylic acids in the leaves of invaded plants increased within 48 h. The highest level of phytohormones and salicylic acid was recorded in the absolutely resistant species Ph. setacea.
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