The treaty recognizes that plant genetic resources are essential for achieving global food security through efficient and reliable agriculture. Genetic Resources for Food and Agriculture.The Treaty establishes a binding international framework for the conservation and sustainable use of plant genetic resources for food and agriculture. It also discusses developments that have affected and will in the future. This chapter focuses on plant exploration for materials with potential uses in crop improvement, primarily landraces and crop wild relatives (CWR). 2002. The International Treaty on Plant Genetic Resources for Food and Agriculture.