Halo blight

By:

SCHWARTZ, H.F

Material type: Article

ArticleLanguage: English Description: p. 285-301Subject(s): LOC classification:

36077

Online resources:

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In: In: Schwartz, H.F.; Pastor-Corrales, M.A. (eds.). Bean production problems in the tropicsSummary: Entre las enfermedades bacterianas que atacan el frijol esta el anublo de halo (Pseudomonas syringae pv. phaseolicola) que se encuentra presente en todo el mundo; sobrevive en semillas infectadas y en residuos vegetales. Tres a 5 dias despues de la infeccion aparecen manchas acuosas en el enves de la hoja, tallos y vainas. Se recomienda control mediante practicas culturales, quimicos y uso de var. resistentes. Se sugiere el control integrado para combatir la bacteria a largo plazo. Se ilustran a color los sintomas y danos causados por la enfermedad. (CIAT)Summary: Among the bacterial diseases that attack beans are halo blight (Pseudomonas syringae pv. phaseolicola), which is distributed worldwide and survives in infected seeds and plant residue on the soil surface. Three to five days after infection, small water- soaked spots appear on the lower leaf surface, stem, and pods. Control by cultural practices is recommended as well as with chemicals and plant resistance. For successful long term control of the bacteria, integrated control programs are recommended. Symptoms and damage caused are illustrated in color. (CIAT)

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Entre las enfermedades bacterianas que atacan el frijol esta el anublo de halo (Pseudomonas syringae pv. phaseolicola) que se encuentra presente en todo el mundo; sobrevive en semillas infectadas y en residuos vegetales. Tres a 5 dias despues de la infeccion aparecen manchas acuosas en el enves de la hoja, tallos y vainas. Se recomienda control mediante practicas culturales, quimicos y uso de var. resistentes. Se sugiere el control integrado para combatir la bacteria a largo plazo. Se ilustran a color los sintomas y danos causados por la enfermedad. (CIAT)

Among the bacterial diseases that attack beans are halo blight (Pseudomonas syringae pv. phaseolicola), which is distributed worldwide and survives in infected seeds and plant residue on the soil surface. Three to five days after infection, small water- soaked spots appear on the lower leaf surface, stem, and pods. Control by cultural practices is recommended as well as with chemicals and plant resistance. For successful long term control of the bacteria, integrated control programs are recommended. Symptoms and damage caused are illustrated in color. (CIAT)