Transmission and host range studies of Pakistani isolate of chilli veinal mottle virus. | [Pakistan Journal of Botany • 2008]

Author(s):

1. Hussain Shah: Crop Diseases Research Program, National Agricultural Research Centre, Islamabad, Pakistan

2. Tahira Yasmin: Crop Diseases Research Program, National Agricultural Research Centre, Islamabad, Pakistan

3. Muhammad Fahim: Crop Diseases Research Program, National Agricultural Research Centre, Islamabad, Pakistan

4. Shahid Hameed: Crop Diseases Research Program, National Agricultural Research Centre, Islamabad, Pakistan

5. M. I. Haque: Plant Pathology Department, University of Arid Agriculture, Rawalpindi, Pakistan

Abstract:

Chilli pepper (Capsicum frutescens L.), being the most important remunerative vegetable of Pakistan is susceptible to a wide range of viruses which are the major constraints in its production resulting to heavy crop losses. Among these, Chilli veinal mottle Potyvirus (ChiVMV) is the major prevalent virus with an incidence range of 50% that reduce yield by 50% worldwide. Transmission and host range studies under glasshouse conditions revealed that ChiVMV Pakistani isolate is transmitted mechanically, through aphid vector (Aphis gossypii) and grafting to chilli pepper and tobacco but not through seed. Among 44 host plants tested, 5 different plant species (Nicotiana tabacum cv. Samsun, Nicotiana glutinosa, Nicotiana occidentalis, Chenopodium quinoa, Solanum nigrum, Datura metel and Physalis floridana) induced characteristic systemic mottling symptoms within 7 to 14 days of inoculation. The rest of the hosts remained asymptomatic and were DASELISA negative.

Page(s): 2669-2681

DOI: DOI not available

Published: Journal: Pakistan Journal of Botany, Volume: 40, Issue: 6, Year: 2008

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