Author(s):

Suhail Altaf, TR Rather, Tabbasum Iqbal, Shaheen Kousar and NA Khan

Abstract: Field studies were conducted at SKUAST-K to evaluate the comparative efficacy of nine systemic and four non-systemic fungicides against the leaf and fruit spot disease of pear caused by Entomosporium maculatum Lev. Four foliar sprays at 15 days interval with thiophanate methyl @0.05% produced the lowest leaf (PDI 2.26%) and fruit (PDI 1.53) disease with 95.86 and 96.12 percent disease reduction over control on leaves and fruits, respectively. Propiconazole 25 EC and triadimefon 25 WP both @ 0.05 % were next effective treatments with leaf disease intensity reduction of 94.15 and 93.78 per cent and fruit disease intensity reduction of 94.42 and 94.59 per cent over control, respectively. The other fungicides in decreasing order of their efficacy were Carbendazim 50WP (PDI 3.82 % on leaves & 1.70% on fruits), metiram + pyraclostrobin 60 WG (PDI 3.93% on leaves & 2.53% on fruits), difenoconazole 25 EC (PDI 4.13% on leaves & 2.60% on fruits) and flusilazole 40 EC (PDI 5.20 % on leaves & 3.06% on frits). Amongst the non-systemic fungicides chlorothalonil 70 WP was the most effective treatment with minimum disease intensities of 5.16 and 3.74 per cent on leaves and fruits followed by captan 50 WP with leaf and fruit disease intensities of 6.38 and 3.66 per cent, respectively. Hence, four foliar sprays of thiophanate methyl @ 0.05% or propiconazole 25 EC@ 0.05% or triadimefon 25 WP@ 0.05% at 15 days interval has been advocated for the effective management of Entomosporium leaf and fruit spot disease of pear.

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