Journal of FARM SCIENCES, Vol 30, No 2 (2017)

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Status of seed-borne fungal diseases of tomato in Northern Karnataka and evaluation of seed health testing methods



Many of the seed-borne fungal infections in tomato like Alternaria solani, A. alternata, Fusarium solani,Septoria, Phoma, Pythium and Phytophthora were known to cause economically important diseases like early blight,Fusarium wilt, Septoria leaf spot, damping off, Phoma rot affecting both quality and quantity of the seeds. Hence, aninvestigation was carried out at department of plant pathology UAS Dharwad to know the seed health status of tomato seedsamples obtaine1d from different tomato growing areas of northern Karnataka. The results of this seed health testing of 30seed samples of tomato by Standard blotter method revealed the dominance of Alternaria solani, A. alternata and Fusariumsp. Among the different seed samples tested, PKM-1 obtained from Haveri area exhibited maximum seed borne infectionscompared to other. Among the five different seed health testing methods tested, standard blotter method was found superiorfor the detection of Alternaria solani, A. alternata and Fusarium sp.

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