英文文献：Pudrición del Cogollo Disease: The Effects and Value of a Resistant Oil Palm Variety-耐油棕品种的影响和价值
英文文献作者：Grogan, Kelly A.,Mosquera, Mauricio
英文文献摘要：
Pudrición del Cogollo (PC) is a major threat to the Colombian oil palm industry. This article develops a forestry model to obtain the optimal control strategy and optimal moment of replanting after PC attacks. Three cases are considered: a benchmark consisting of an oil palm field with no PC incidence, an identical oil palm field with PC present but no resistant variety with which to replant, and an identical oil palm field with PC present and a resistant variety with which to replant. We compare the optimal replanting period between the three scenarios and determine the optimal level of control in each period for the disease scenarios. The singular solution involves complete control of the disease, and in the absence of a resistant variety, the presence of the disease increases the rotation length. With these solutions, we then determine the value of developing a resistant variety. This value depends heavily on the age distribution of the current trees.

Cogollo (PC)是哥伦比亚油棕产业的主要威胁。建立了一个林业模型，得到了PC攻击后的最优再植控制策略和最优再植时刻。考虑三种情况:一个基准是油棕地无PC发生率，一个基准是油棕地有PC但无抗性品种可再植，一个基准是油棕地有PC并有抗性品种可再植。我们比较了三种方案的最佳再植期，并确定了每个方案的最佳控制水平。奇异的解决方案包括对疾病的完全控制，并且在缺乏耐药品种的情况下，疾病的存在增加了旋转长度。有了这些解决方案，我们就可以确定开发一种耐药品种的价值。这个值很大程度上取决于当前树的年龄分布。