Effect of sowing dates and varieties on crinkle stunt disease of French bean
Azmi, O.R.; Rathi, Y.P.S.
Plant Disease Research 7(1): 33-38
1992
Accession: 002360228
The effect of sowing date (15, 30 Sep., 15, 30 Oct., 15, 30 Nov.) and cultivar (PDR-14 and UPF-635) on the development, spread and incidence of French bean crinkle stunt virus were determined. The time taken for max. disease development was less in early sown crops than in the later ones; max. disease spread occurred 4-6 weeks after appearance of the first symptoms. Delayed sowing decreased incidence significantly but the difference in incidence between the cultivars was not significant.