Highlights • Novel bioeconomic model assesses effect of tree disease on tree species mixtures.• Risk and damage of disease alters the optimal planting proportion of two species.• Diversifying reduces loss from disease even if resistant species benefit is small.• Optimal planting proportion sensitive to disease characteristics and economic loss.

中文翻译：

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入侵性害虫和病原体对森林多样化战略的影响

亮点 • 新的生物经济模型评估树木疾病对树种混合物的影响。• 疾病的风险和损害改变了两个物种的最佳种植比例。• 多样化减少了疾病造成的损失，即使抗性物种的益处很小。• 最佳种植比例对疾病特征和经济损失。