Now showing items 1-10 of 84
The increasing role of wheat consumption and imports in the developing world
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 ...
Optimal search in ex situ collections of wheat genetic resources
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 ...
Adoption and impact of high yielding wheat varieties in Northern Tunisia
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 ...
International wheat breeding research in Eastern and Southern Africa, 1966-97
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, ...
Economic criteria for establishing plant breeding programs
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, ...
Returns to wheat research in Nepal
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 ...
Technical change and wheat productivity in the Indian Punjab in the post green revolution period
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 ...
Accelerated wheat production in semi-arid developing regions
This paper focuses on wheat production in the semi-arid regions (SARs) of selected developing countries. It is divided into three main parts. We begin by providing a perspective on what has happened in wheat production in ...
New wheat varieties and the small farmer
The distribution of the benefits of new agricultural technologies is the subject of continuing controversy, especially following the widespread adoption of new wheat and rice varieties in developing countries over the last ...
Institutional change and discontinuities in farmers' use of hybrid maize seed and fertilizer in Malawi: findings from the 1996-97 CIMMYT/MoLD Survey
This study records the use of hybrid maize seed and fertilizer by small-scale farmers in Malawi, as well as their opinions about these inputs, from 1989-90 through 1996-97. Its main purpose is to determine whether the ...