A Survey to Assess Banded Leaf and Sheath Blight Disease Severity in  Major Maize Growing Areas of  Andhra Pradesh, India

Reddi Gunasri; V Prasanna Kumari; V Manoj Kumar

doi:10.9734/jabb/2025/v28i21988

Research Article Open access CC BY 4.0

A Survey to Assess Banded Leaf and Sheath Blight Disease Severity in Major Maize Growing Areas of Andhra Pradesh, India

Reddi Gunasri, V Prasanna Kumari, V Manoj Kumar

Journal of Advances in Biology & Biotechnology · pp. 272–280 · Published 13 Feb 2025

10.9734/jabb/2025/v28i21988

Abstract

Rhizoctonia solanif.sp. sasakii, the causal agent of maize banded leaf and sheath blight (BLSB) disease, is the most destructive soil borne pathogen capable of infecting maize at all growth stages starting from seedling to maturity. To estimate the severity of BLSB an extensive roving survey was conducted during rabi, 2018 in major maize growing areas of Andhra Pradesh i.e., West Godavari, East Godavari, Vizianagaram, Guntur and Kurnool to record the severity index of disease. The disease occurs all over the state with maximum disease severity recorded in West Godavari district (61.35%) followed by East Godavari (58.05%), Vizianagaram (46.87%) and Guntur (25.85%) while the least PDI was recorded in Kurnool district (23.02 %). Disease symptoms were noticed during the survey under field conditions.

Banded leaf and sheath blight (BLSB) maize disease severity survey

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Reddi Gunasri, V Prasanna Kumari, V Manoj Kumar (2025). A Survey to Assess Banded Leaf and Sheath Blight Disease Severity in Major Maize Growing Areas of Andhra Pradesh, India. Journal of Advances in Biology & Biotechnology , 272–280. https://doi.org/10.9734/jabb/2025/v28i21988

Affiliations

Reddi Gunasri — Department of Plant Pathology, Agricultural College, Bapatla, Andhra Pradesh, India.
V Prasanna Kumari — Department of Plant Pathology, Agricultural College, Bapatla, Andhra Pradesh, India.
V Manoj Kumar — Department of Plant Pathology, Agricultural College, Bapatla, Andhra Pradesh, India.

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