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The materials and lab. procedures to differentiate and extract toxic aflatoxins produced by Aspergillus flavus and the nontoxic phenolic compound scopoletin in fresh and processed cassava roots are presented. (CIAT)


Wheatley, Christopher C.Laberry, R.A.[Metodo para diferenciar la presencia de aflatoxinas con la de escopoletina en raices frescas procesadas de yuca]Metodo para diferenciar la presencia de aflatoxinas con la de escopoletina en raices frescas procesadas de yuca

A method of rooting shoot tips is described, whereby plants free from cassava bacterial blight were produced. The use of this method, in addition to cultural practices, is proposed for producing pathogen-free foundation stock for a planting material certification program. (AS)


Lozano, J.C.Wholey, W[A technique for the production of bacteria-free planting stock of cassava (Manihot esculenta Crantz)]A technique for the production of bacteria-free planting stock of cassava (Manihot esculenta Crantz)

A standard system for the evaluation of bean germplasm under field conditions is described, including a table with the developmental stages of the common bean plant which is used in the proposed system. This system has been tested in Colombia and many countries in Latin America, Africa, and other...


Schoonhoven, Aart vanPastor Corrales, Marcial A.[Système standard pour l´evaluation du germoplasme du haricot]Système standard pour l´evaluation du germoplasme du haricot

International Potato Center[Field guide for identification of major potato pests and diseases in Meghalaya, India (Khasi).]Field guide for identification of major potato pests and diseases in Meghalaya, India (Khasi).
Fernández, F.O.Vargas H., OctavioBellotti, Anthony C.Posada, ML C. de[Guía de estudio para ser usada como complemento de la unidad videotutorial sobre el mismo tema][Mosca blanca del cultivo de yuca: biología y control]Mosca blanca del cultivo de yuca: biología y control
Roca, William M.[Meristem culture in cassava: principles and methodology: principles and procedures]Meristem culture in cassava: principles and methodology: principles and procedures

Ishikawa, H.Drabo, I.Muranaka, S.Boukar, O.[Cowpea field guide for Burkina Faso]Cowpea field guide for Burkina Faso

International Potato Center[Field guide for identification of major potato pests and diseases in Meghalaya, India.]Field guide for identification of major potato pests and diseases in Meghalaya, India.

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