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NAAS Score: *5.38 (2020)
[Effective from January 1, 2020]
For more details click here
ICV 2023: 95.56
Index Copernicus ICI Journals Master List 2023 - IJCMAS--ICV 2023: 95.56
For more details click here
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Original Research Articles                      Volume : 14, Issue:11, November, 2025
PRINT ISSN : 2319-7692
Online ISSN : 2319-7706
Issues : 12 per year
Publisher : Excellent Publishers
Email : editorijcmas@gmail.com /
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Editor-in-chief: Dr.M.Prakash
Index Copernicus ICV 2018: 95.39
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Int.J.Curr.Microbiol.App.Sci.2025.14(11): 251-258
DOI: https://doi.org/10.20546/ijcmas.2025.1411.025


Survey-Based Assessment of Urdbean Leaf Crinkle Disease Infection in Black Gram Fields of Andhra Pradesh, India
Shaik Haseena Banu1*, M. Reddi Kumar2, V. Venkataravanappa3, R. Sarada Jayalakshmi Devi4, L. Prasanthi5 and G. Rama Rao6
1Department of Plant Pathology, ARS, Podalakur / Acharya N.G. Ranga Agricultural University, Lam, Guntur, India 2Department of Plant Pathology, ARS, Perumallapalle / Acharya N.G. Ranga Agricultural University, Lam, Guntur, India 3Department of Plant Pathology, ICAR-IIHR, Bangalore, India 4Hon’ble Vice -Chancellor, Acharya N.G Ranga Agricultural University, Lam, Guntur, India 5Department of Genetics & Plant Breeding/SMGR Agricultural College, Udayagiri/ Acharya N.G. Ranga Agricultural University, Lam, Guntur, India 6Department of Physiology, Agricultural College, Pulivendula / Acharya N.G. Ranga Agricultural University, Lam, Guntur, India
*Corresponding author
Abstract:

Urdbean Leaf Crinkle Disease (ULCD) is one of the most economically important viral diseases in urdbean (Vigna mungo L.), adversely affecting both seed yield and quality. A roving survey was undertaken during Rabi 2024–25 across major urdbean-growing districts of Andhra Pradesh to determine the incidence of ULCD and to document associated insect vectors. Observations were recorded from multiple villages across Annamaiah, Bapatla, Guntur, Kadapa, Krishna, Palnadu and SPSR Nellore districts. The percent disease incidence (PDI) varied widely among districts, cultivars and growth stages, ranging from 2.0% to 30.0%. The highest incidence (30.0%) was recorded in cultivar PU-31 at the pod formation stage in Kadapa district, followed by PU-37 and PU-38 (20.0–25.0%). In contrast, comparatively lower incidence (2.0–9.5%) was observed in cultivars LBG-932, LBG-904, TBG-104 and Kota Urd-3. The frequent occurrence of whiteflies, aphids and thrips in infected fields suggests their likely involvement in ULCD transmission. The observed incidence range agrees with earlier reports from Maharashtra and Tamil Nadu, confirming the widespread susceptibility of currently cultivated varieties. The findings highlight the urgent need for resistant genotype development, certified seed use and vector management strategies to minimize disease spread under field conditions.


Keywords: Urdbean; Leaf crinkle disease; Roving survey; Percent disease incidence; Vector association; ULCV; Cultivar susceptibility

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How to cite this article:

Shaik Haseena Banu, Reddi Kumar M., Venkataravanappa V., Sarada Jayalakshmi Devi R., Prasanthi L. and Rama Rao G. 2025. Survey-Based Assessment of Urdbean Leaf Crinkle Disease Infection in Black Gram Fields of Andhra Pradesh, India.Int.J.Curr.Microbiol.App.Sci. 14(11): 251-258. doi: https://doi.org/10.20546/ijcmas.2025.1411.025
Copyright: This is an Open Access article distributed under the terms of the Creative Commons Attribution-NonCommercial-ShareAlike license.

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