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A severe outbreak of Ascochyta blight of chickpeas in Western Nebraska

A severe outbreak of Ascochyta blight of chickpeas in Western Nebraska

Plant Disease 86(6): 698

In mid-July 2001, symptoms in chickpea fields consisted of circular, dark brown lesions (0.5 to 1.0 cm) on leaves and pods containing pycnidia (225 to 240 micro m) arranged in concentric rings. Infected leaves incubated in humidity chambers in the laboratory produced nonseptate, hyaline, oval to oblong conidia measuring 8.5 to 10.0x4.0 to 4.5 micro m that oozed out of pycnidia in a mucilaginous mass. Based on symptoms and fungal morphology, the pathogen was identified as Ascochyta rabiei.

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Accession: 003627643

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