vectors. The experience with GWSS could provide information about economic policy regulations, incentives, and institutions that could discourage introduction and movement of future PD vectors. We recommend that effort be carried out over 15–25 years because its intent is not to focus on developing incentives for growers to adopt given practices related to GWSS; rather it is designed to address a more general issue, of which GWSS is a current symptom. The experience with GWSS could facilitate learning that can be applied to new problems as they emerge.

In the remaining chapters of the report, the committee uses its framework to evaluate and categorize current and prospective research strategies for PD–GWSS and, ultimately, as the basis of its research recommendations.

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