First Report of Association of Tomato leaf curl virus-New Delhi with Yellow Mosaic Disease of Luffa cylindrica in India

Plant Disease
S S SohrabAnupam Varma

Abstract

Sponge gourd (Luffa cylindrica), an important cucurbitaceous vegetable in India, is affected by a disease (2) causing yellow spots on newly emerged leaves, mosaic, mild leaf curling and distortion, small leaves, and misshapen fruits. Nearly 100% of sponge gourd plants were symptomatic in Delhi. Geminivirus-like particles were observed with electron microscopy of uranyl acetate-stained leaf-dip preparations of the diseased plants collected from experimental fields at the Indian Agricultural Research Institute in New Delhi during May and June of 2002. The virus was transmitted by the whitefly (Bemisia tabaci) to sponge and ridge gourd (L. acutangula) after an acquisition and inoculation access period of 24 h each. Whitefly-inoculated plants produced typical yellow mosaic symptoms and contained geminate particles. Nucleic acid extracted from the field-infected and experimentally infected plants hybridized with 32P-labeled probe to DNA-A of Indian cassava mosaic virus, suggesting association of a begomovirus. The viral DNA, isolated by the alkali denaturation method (1) from the experimentally infected sponge gourd plants, was cloned in pBS SK+ at the EcoRI site. A clone with an insert of 2,658 bp was sequenced (GenBank Accession N...Continue Reading

Citations

Jun 5, 2013·Indian Journal of Virology : an Official Organ of Indian Virological Society·Chigurupati PhaneendraB Mandal
Jun 1, 2010·Indian Journal of Virology : an Official Organ of Indian Virological Society·S S SohrabA Varma
Aug 22, 2020·Horticulture Research·Haibin WuJianning Luo
Dec 30, 2008·Virus Genes·Roya FazeliArvind Varsani
Mar 8, 2016·Journal of Biosciences·Archana SinghSunil Kumar Mukherjee
Aug 2, 2021·Horticulture Research·Haibin WuJianning Luo

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