β‐aminobutyric acid does not induce defenses or increase Norway spruce resistance to the bluestain fungus Grosmannia penicillata
Ngan Bao Huynh,
Paal Krokene,
Line Nybakken
et al.
Abstract:Priming of Norway spruce (Picea abies) inducible defenses is a promising way to protect young trees from herbivores and pathogens. Methyl jasmonate (MeJA) application is known to induce and potentially prime Norway spruce defenses but may also reduce plant growth. Therefore, we tested β‐aminobutyric acid (BABA) as an alternative priming chemical to enhance spruce resistance, using 2‐year‐old Norway spruce plants. We compared inducible defense responses, i.e. traumatic resin duct formation and accumulation of d… Show more
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