The rate of crop varietal replacement on [arms is an important measure of the impacts of plant breeding programmes, the degree of varietal diversification over time, and the potential exposure to disease epidemics due to ...

Spatial diversity indicators may serve an important function for policymakers as they seek to manage crop genetic diversity and potential externalities associated with diffusion of some types of genetically improved crops. ...

The spillover effects of agricultural research are of interest because research-induced supply shifts in non-target regions can reduce the benefits for producers in the target regions. The introduction of semi-dwarfing ...

Wheats derived from germplasm developed by the International Maize and Wheat Improvement Center (CIMMYT) have been grown widely in Australia since the early 1970s. The impact of CIMMYT germplasm on the genetic diversity ...