Temporal variability of phenolics and batatasin-III in Empetrum hermaphroditum leaves over an eight-year period: interpretations of ecological function

clone clones defence mechanisms empetrum exsudat extractos vegetales exudados exudates feuille fitotoxicidad germination inhibitors glande vegetale graine hojas inhibiteur de germination laboratory experimentation leaves mecanismos de defensa phenolic compounds phenolic content phytotoxicity plant animal relations plant extracts plant glands populus tremula relaciones planta animal relation plante animal seasonal variation seeds semilla suecia sweden