CHEMICAL CONTROL OF SOUTHERN LEAF BLIGHT OF MAIZE CAUSED BY HELMINTHOSPORIUM MAYDIS

JA SHAH; U RAMZAN; S NASEER; MN KHALID; I AMJAD; T MAJEED; W SABIR; MK SHAHEEN; B ALI; F SHAHMIM; S  NAZEER

doi:10.54112/bcsrj.v2023i1.225

Authors

JA SHAH Plant Pathology Research Institute, Ayub Agriculture Research Institute Faisalabad, Pakistan
U RAMZAN Department of Plant Pathology, University of Agriculture Faisalabad, Pakistan
S NASEER Plant Pathology Research Institute, Ayub Agriculture Research Institute Faisalabad, Pakistan
MN KHALID Department of Plant Breeding and Genetics, University of Agriculture Faisalabad, Pakistan
I AMJAD Department of Plant Breeding and Genetics, University of Agriculture Faisalabad, Pakistan
T MAJEED Soil and Water Testing Laboratory for Research Thokar Naiz Baig Lahore, Pakistan
W SABIR Agricultural Biotechnology Research Institute, Ayub Agriculture Research Institute Faisalabad, Pakistan
MK SHAHEEN Soil Fertility, Punjab, Lahore, Pakistan
B ALI Sorghum Research Sub-Station Dera Ghazi Khan, Pakistan
F SHAHMIM Rice Research Institute, Kala Shah Kaku, Lahore-39018, Pakistan
S NAZEER Soil and Water Testing Laboratory for Research Thokar Naiz Baig Lahore, Pakistan

DOI:

https://doi.org/10.54112/bcsrj.v2023i1.225

Keywords:

Maize, Southern leaf blight, Mancozeb, tilt, Fungicides, Blitox-50%

Abstract

Southern Leaf Blight of maize (SLBM) is a severe disease affecting maize crop in Pakistan. This disease causes considerable losses in maize crop every year. To avoid this loss, a study was conducted to check the efficacy of four fungicides and one control, tested against maize variety Malka-2016. The experiment was conducted at Plant Pathology AARI Research area, Faisalabad, during 2021-22. The result showed that Propiconazole (Tilt 25% WP) was found to be the most effective fungicide to control the leaf Blight of maize followed by Dithane M-45 (Mancozeb 80%WP) and Kavach (Chlorothalonil 75%WP). The Blitox-50 (Copper oxychloride 50%WP) was the least effective against the disease. The Propiconazole (Tilt 25% WP) control the disease 80 % over the check. Similarly, Dithane M-45 (Mancozeb 80 %) controls the disease 70.83 % and Chlorothalonil by 59 %. The least effective fungicide was Blitox-50 (Copper oxychloride 50 %) which control the disease 42.5% over the check.

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