Field Problems in CassavaJosé Carlos Lozano, Bellotti, Anthony C., Reyes Q., Jesús Antonio, Howeler, Reinhardt H., Leihner, Dietrich E., Doll, Jerry D. Centro Internacional de Agricultura Tropical, 1981 - 205 páginas This manual describes some diseases and pests that attack cassava, as well as the symptoms induced by nutritional deficiencies and damage resulting from the misuse of herbicides. Although some specific and general recommendations regarding the control of the described problems are included, it is suggested to consult CIAT's publications on cassava for further information. |
Contenido
Acknowledgement | 7 |
Bacterial blight Xanthomas manihotis | 16 |
Bacterial angular leaf spot Xanthomas cassavae | 22 |
Derechos de autor | |
Otras 9 secciones no mostradas
Otras ediciones - Ver todas
Field Problems in Cassava José Carlos Lozano,Centro Internacional de Agricultura Tropical Sin vista previa disponible - 1976 |
Términos y frases comunes
a.i./liter of water adult Alachlor Anastrepha angular spots application areas attack cassava blight cankers cassava plants characterized chlorosis CIAT Colombia color crop cultivars cutworms Cydnidae deficiency symptoms defoliation deformation dieback diseased plants distortion epidermis expanded leaf blades exudate Fe deficiency fully expanded leaf galls germination green growing point growth harvest healthy herbicides induced insecticides interveinal Lace bug larvae leaf blades range leaf spot Leaf-cutting ants lesions lower leaves Manganese Manganese deficiency manihotis MCol mealybug mite Mn toxicity necrosis normal nutrient solution nymphs oxisols pathogens pest petioles photograph plantations planting material postemergence predators preemergence herbicides presence propagating material pupae rainy season reduced root rot sandy soils severe shoots species stunted Subterranean sucking insect sulphate susceptible cultivars Tetranychus urticae Thrips tissue tolerant ultisols underside upper leaf surface upper leaves veins Whiteflies wilting yellow spots yellowish youngest fully expanded yuca zinc Zn deficiency