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Tamil Nadu Agricultural University Coimbatore, INDIA

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MANAGEMENT OF FUNGICIDAL RESISTANT IN ALTERNARIA TRITICINA AND HELMINTHOSPORIUM SATIVUM INDUCING LEAF BLIGHT COMPLEX IN WHEAT IN PENINSULAR INDIA

S.G. Borkar*, K.N. Chaudhary**

Affiliations

¹Mahatma Phule Agricultural University, Wheat Research Station, Niphad, District Nashik - 422 303, India

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Cite article:- Borkar* S.G., Chaudhary** K.N. (2025). MANAGEMENT OF FUNGICIDAL RESISTANT IN ALTERNARIA TRITICINA AND HELMINTHOSPORIUM SATIVUM INDUCING LEAF BLIGHT COMPLEX IN WHEAT IN PENINSULAR INDIA. Indian Journal of Agricultural Research. 42(2): 132 -135. doi: .

ABSTRACT

Leaf blight of wheat in Peninsular India, is mainly due to Helminthosporium sativum and Alternaria
triticina and both are involved in leaf blight disease complex. Helminthosporium sativum isolates of
wheat disease in Peninsular India were resistant to commonly used fungicide Dithane M-45 upto 0.2%
concentration, whereas Alternaria triticina isolates showed resistant to Copperoxychloride upto 0.2%
concentration. For effective and economically viable control of the leaf blight complex in wheat
induced by H. sativum and A. triticina in Peninsular India, 2 sprays of Copperoxychloride + Mancozeb
(Dithane M-45 ) @ 0.2% each at an interval of 15 days from disease initiation were found effective and
recommended. However both the fungicides showed vice-versa control of H. sativum and A. triticina

KEYWORDS

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