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Instructions (general teaching notes, case study instruction), on how to apply the exercise on the case study introduction of a new bean var. in La Merced, Colombia, are given. An example of case study analysis is also provided. (CIAT)
Pests and diseases are important production constraints of snap beans in tropical and subtropical regions of the world. Among the most important conditions favoring their development are climate, planting susceptible varieties in monoculture over entire regions, staggered planting dates, and plan...
Data on snap bean consumption are reviewed for Brazil, Colombia, Costa Rica, Indonesia, Philippines, Rwanda, Taiwan and Turkey to evaluate the present and possible future importance of snap beans in human diets, and the implication of consumption issues for snap bean research. Analyses of current...
In an assessment of the possible benefits to consumers and producers from snap bean research, four different technologies are proposed and their impact analyzed. Benefits are measured by using a welfare analysis and calculating the internal rate of return under different assumptions. The range of...
Maize and climbing beans are traditionally planted in association in the sierra regions of L.A. with alt. higher than 1500 m. The system has shown a series of advantages: low incidence of certain pests and diseases, less root lodging in maize, and less risk for the farmers. The types of climbing ...
The availability of genetic variation in beans in the world is analyzed, emphasizing the activities and objectives of CIAT`s bean germplasm bank. A list of the institutions with bean collections is included with emphasis on the need for new explorations and collections. Factors affecting the mult...
Results obtained in expt at CIAT are analyzed 20 maize hybrids were planted in 4 replications for 2 seasons, in monoculture and in association with bean genotypes P566 and P589, types II and IV (bush and climbing). In monoculture, Tropical White Mix gave the more than yield in both seasons (7.26 ...
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