Abstract
Lentil wilt caused by Fusarium oxysporum f. sp. lentis is a major problem in all lentil growing areas of the world as well as in India. In recent years, lentil wilt is one of the major cause responsible for reduced production and productivity of lentil in India. Lentil wilt causes yield loss of 50–78% from moderately infected fields and 100% loss from severely infected fields. In the present investigation, efforts were made to evaluate systemic fungicides under in-vitro conditions as well as under greenhouse conditions against F. oxysporum f. sp. lentis. In in-vitro evaluation among seven fungicides showed that azoxystrobin + tebuconazole (18.2 + 18.3%) SC and carbendazim 50 WP each at 100 μg mL−1 completely inhibited radial growth of F. oxysporum f. sp. lentis. Under greenhouse conditions, seed treatment + drenching with azoxystrobin + tebuconazole (18.2 + 18.3%) SC showed maximum disease reduction (69.4%) followed by carbendazim 50 WP (61.5%) each at 0.1% at 45 days after sowing over inoculated control. In the present investigation azoxystrobin + tebuconazole, a new fungicide mixture was found better than carbendazim and could be exploited for the management of lentil wilt.
Published Version
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