This study was planned to investigate the effect of different inoculum levels (10 3 spores/ml, 5x10 3 spores/ml, 10 4 spores/ml and 5x10 4 spores/ml) of Ascochyta fabae f. sp. lenntis on plant growth and yield parameters on four different varieties of lentil belonging to resistant and susceptible group, grown in Department of Plant Pathology University of Agriculture Faisalabad. All the varieties showed varying response towards different inoculum levels of Ascochyta blight. It was found that with the increase in the inoculum levels there was decrease in plant height, number of leaflets, pods/plant, grains/pod and 100 grain weight and this response was noticed higher in susceptible group as compared to resistant group.
Rice is very important crop in Pakistan. It is largely affected by brown leaf spot of rice in all localities. Its major impact is on grain yield. In order to assess its impact on yield and evaluate various fungicides on number of grains, 1000 grain weight, grain yield (t/h) and cost benefit ratio and their percent increase/decrease over control were recorded. A farmer field with natural disease occurrence was selected at Garhi Awan district Hafizabad, Punjab. The design applied was RCBD (Randomized Complete Block Design) . There were 6 treatments (Difenoconazole 25 EC @ 308ml/h, Azoxystrobin + Difenoconazole 325 SC @ 500ml/h, Trifloxystrobin + Tebuconazole 75WG @ 160gm/h, Thiophanate Methyl 70WP @ 750gm/h, Bismerthiazol 20WP @ 300gm/h and control) and each treatment was replicated 3 times. The fungicide combination of Azoxystrobin and Difenoconazole was found to be the most effective in yield parameters while in terms of cost benefit ratio. Thiophanate Methyl was found to be the most effective followed by the combination of Azoxystrobin + Difenoconazole.
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