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2019•Journal of Pharmacognosy and PhytochemistryOpen access

Efficacy of non-systemic fungicides against A. macrospora causing leaf spot of Bt Cotton.

I.D. Raut, CV Ambadkar, DN Dhutraj

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Abstract

Seven non-systemic fungicides viz., Chlorothaonil 75WP, Propineb 70WP, Mancozeb 75WP, Copper oxychloride 50WP, Captan 50WP, Thiram 75WP and Ziram 27EC each @ 1500 and 2000 ppm concentration were evaluated in vitro against Alternaria macrospora causing leaf spot of Bt cotton. All the treatments significantly inhibited mycelial growth of Alternaria macrospora over untreated control. Among seven non-systemic fungicides maximum per cent inhibition was observed with Mancozeb (86.95 %), followed by Thiram (84.68 %), Ziram (81.76%), Propineb (80.23 %) and Copper oxychloride (75.57%), whereas, it was comparatively minimum with Chlorothaonil (55.29 %) and Captan (73.10%).

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What this paper is about

Seven non-systemic fungicides viz., Chlorothaonil 75WP, Propineb 70WP, Mancozeb 75WP, Copper oxychloride 50WP, Captan 50WP, Thiram 75WP and Ziram 27EC each @ 1500 and 2000 ppm concentration were evaluated in vitro against Alternaria macrospora causing leaf spot of Bt cotton. All the treatments significantly inhibited mycelial growth of Alternaria macrospora over untreated control. Among seven non-systemic fungicides maximum per cent inhibition was observed with Mancozeb (86.95 %), followed by Thiram (84.68 %), Ziram (81.76%), Propineb (80.23 %) and Copper oxychloride (75.57%), whereas, it was comparatively minimum with Chlorothaonil (55.29 %) and Captan (73.10%).

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Available abstract

Seven non-systemic fungicides viz., Chlorothaonil 75WP, Propineb 70WP, Mancozeb 75WP, Copper oxychloride 50WP, Captan 50WP, Thiram 75WP and Ziram 27EC each @ 1500 and 2000 ppm concentration were evaluated in vitro against Alternaria macrospora causing leaf spot of Bt cotton. All the treatments significantly inhibited mycelial growth of Alternaria macrospora over untreated control. Among seven non-systemic fungicides maximum per cent inhibition was observed with Mancozeb (86.95 %), followed by Thiram (84.68 %), Ziram (81.76%), Propineb (80.23 %) and Copper oxychloride (75.57%), whereas, it was comparatively minimum with Chlorothaonil (55.29 %) and Captan (73.10%).

Key concepts: Mancozeb, Captan, Thiram, Fungicide, Alternaria, Horticulture, Toxicology, Biology

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Efficacy of non-systemic fungicides against A. macrospora causing leaf spot of Bt Cotton. — Research Paper | ScholarLens