Identification and control of cotton diseases.

bacteriose bacterioses bacteriosis control de enfermedades coton cotton crop rotation disease control disease resistance enfermedades de las plantas enfermedades fungosas extension extension activities fitomejoramiento fungal diseases maladie des plantes maladie fongique nematoda plant breeding plant diseases plant protection protection des plantes resistance to injurious factors resistencia a la enfermedad rotation culturale seed treatment traitement des semences tratamiento de semillas virose viroses virosis vulgarisation