Evaluation on the Efficacy of Farrerol in Inhibiting Shoot Blight of Larch (<i>Neofusicoccum laricinum</i>)
Evaristo A. Bruda | Rui Xia | Ruizhi Zhang | Haoru Wang | Qi Yu | Mengyao Hu | Feng Wang
<i>Neofusicoccum laricinum</i> is the causal agent of larch shoot blight, a fungal disease affecting several species of larch. It causes severe damage, including stunting and mortality. This study aims to address the severe impact of larch shoot blight by evaluating the effect of farrerol on the inhibition of <i>Neofusicoccum laricinum</i> in <i>Larix olgensis</i>. We used LC-MS/MS and weighted gene co-expression network analysis to investigate farrerol’s effects on <i>Neofusicoccum laricinum</i> and identify associated genes in resistant and susceptible larch. Our study identified significant differences in metabolite profiles between resistant and susceptible cultivars, with higher concentrations of farrerol showing complete inhibition of <i>N. laricinum.</i> Additionally, specific genes associated with farrerol content were up-regulated in resistant larch. Farrerol at higher concentrations completely inhibited <i>N. laricinum</i>, showing a strong correlation with increased disease resistance. This research suggests that farrerol enhances disease resistance in larch and provides a foundation for developing disease-resistant larch varieties based on antifungal metabolite traits.
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