Foot rot disease of wheat in rainfed areas of North West frontier province and Punjab.
The incidence and cause of foot rot disease of wheat was investigated in 41 fields at 18 locations in the North West Frontier Province (NWFP) and Punjab, Pakistan. Disease incidence ranged from 2.1 to 33% (average 17.6%), with a lower average incidence in the NWFP than in the Punjab. Disease incidence was higher in areas with low rainfall and high temp., and in sandy fields or fields with repeated cereal cropping. Eight fungal species were isolated from 18 diseased wheat samples, with Drechslera sorokiniana [Cochliobolus sativus] the most frequent (38.5%), followed by Fusarium oxysporum. F. solani, F. graminearum [Gibberella zeae], F. semitectum [F. pallidoroseum], Sclerotinia sclerotiorum, Rhizoctonia solani and Phoma glomerata were isolated with a low frequency. C. sativus and F. oxysporum produced lesions on wheat seedlings in pathogenicity tests.