Cinchona Root and Collar Rot in Peru and Bolivia^
نویسنده
چکیده
*A contribution from the Estación Experimental Agricola en Tingo Maria, Peru, a technical agricultural service organization for the Oriente of Peru, operated jointly by the Dirección de Colonización y Asuntos Orientales, Ministry of Agriculture of Peru, and by the Ofläce of Foreign Agricultural Relations, U. S. Department of Agriculture. This study was made possible by funds provided through the United States Interdepartmental Committee on Scientific and Cultural Cooperation and funds from the Government of Peru. The work herein reported is in cooperation with the Division of Forest Pathology, Bureau of Plant Industry, Soils, and Agricultural Engineering, U. S. Department of Agriculture, Beltsville, Md.
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