This study was undertaken in rainfed Pothwar of the Punjab to assess farmers' wheat varietal choices and factors affecting adoption of semi-dwarf varieties. This tract can be divided into three sub-zones based on rainfall ...

A preliminary study of wheat genetic diversity in the People's Republic of China is presented. Available evidence and basic data related to the ancestry of leading wheat cultivars and the area distribution of dominant ...

This chartbook was prepared as a background document to the 4th Asian Regional Maize Workshop, 22-27 September, 1990. It summarises in chart form, the recent situation with respect to 'kharif (summer) maize in Pakistan and ...

This report documents the number and types of maize varieties and hybrids released by public breeding programs between 1966 and 1997, describes the varieties and hybrids marketed by public seed agencies and private companies ...

This study makes use of data on wheat production in the Punjab of Pakistan from 1979 to 1985 to 1) examine patterns of varietal diversity in farmers' fields both at the regional and district levels and 2) identify how and ...

The impact of maize research and extension in Tanzania's Northern Zone during the past 20 years was evaluated through a formal survey in 1995. Data were grouped into two major agroecological zones: the intermediate and the ...

This paper presents results of a 1995 survey of 864 maize-growing households in six states that account for more than 70% of India's maize area: Andhra Pradesh, Bihar, Karnataka, Madhya Pradesh, Rajasthan, and Uttar Pradesh. ...

Because seed supply and cost strongly influence farmers' ability to increase wheat production, researchers undertook a survey to document how Ethiopian farmers in Wolmera woreda acquire, manage and transfer wheat seed. ...

Data from formal farmer surveys in Iganga District, Uganda, as well as secondary data, were analysed to describe maize farmers' circumstances and practices, identify socioeconomic and technical factors affecting the adoption ...

This report is based on a study of the adoption and use of improved open-pollinated varieties and hybrids by small-scale farmers in the Department of Jutiapa, Guatemala. The majority of maize producers in Guatemala are ...