This paper develops a theoretical model for analyzing gene bank management decisions regarding the search for traits of economic value in ex situ collections of wheat. The model is applied to data on the probability of ...

This study assesses the extent to which durum and bread wheat high yielding varieties (HYVs) have been adopted by farmers in northern Tunisia, a region which accounts for more than 80 degrees ' of the nation's durum wheat ...

An economic surplus approach is used to analyze economic returns to wheat research (primarily breeding) in Nepal. During the past 30 years, investment in wheat research has generated an internal rate of return ranging from ...

Major changes in the wheat economy of Punjab State, India, since the Widespread adoption of modern varieties (MVs) in the early 1970s, are summarized from an analysis of trends in micro-level farm data and by using an index ...

A general model of annual costs and lagged annual returns from a plant breeding program is developed to estimate the threshold sizes of a crop industry at which different breeding programs could be economically justified, ...

This paper describes and analyzes some of the impacts of wheat improvement research in seven countries in the Eastern and Southern regions of Africa. the countries South Africa, Ethiopia, Sudan, Kenya, Zimbabwe, Tanzania, ...

This study presents in detail the themes explored in the CIMMYT publication, World Wheat Facts and Trends, Report 2 (1983). It looks at changes in wheat consumption in developing countries, examines the increasing importance ...

Improvements in the production characteristics of quality protein maize (QPM) are currently leading to its reintroduction in various areas of the world, both for human and animal consumption. Although the improved QPM ...

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. ...

Soil infertility is a major constraint to food production in the communal areas of Zimbabwe. Smalholders in the region recognize the problems of low soil fertility and have devised ways of coping with them. This study ...