[en] This research aimed to investigate the effectiveness of the insecticide imidacloprid as seed treatment against Barley yellow dwarf virus-PAV (BYDV-PAV) infection in barley. Artificial inoculation of resistant (QB 813-2) and susceptible (Manel, Rihane and Cyclon) barley cultivars with BYDV-PAV under field conditions was conducted through the bird cherry-oat aphid (Rhopalosiphum padi). Following inoculation, virus incidence was monitored on the various cultivars, and growth parameters such as plant height, biomass, grain yield and thousand seed weight were measured. Seed treatment with imidacloprid, was applied at concentrations of 0.7, 1.4 and 2 g a.i/kg seed. The highest reduction in BYDV incidence was observed after treatment with the concentration of 1.4 g a.i/kg seed. The results also indicated that the 1.4 g a.i/kg seed treatment significantly reduced the impact of BYDV-PAV infection on plant height for the susceptible cultivars Manel and Cyclon. An improvement in the biomass, grain yield and thousand kernels weight was recorded after imidacloprid treatment of the susceptible cultivars at the concentration of 1.4 g a.i/kg seed, and this concentration can be considered an economic practice for BYDV management in barley fields at locations where BYDV incidence is high.
Disciplines :
Agriculture & agronomy
Author, co-author :
Najar, Asma; Plant Protection Laboratory, National Institute of Agricultural Research of Tunisia, University of Carthage, El Menzah, Tunisia
Ben Fekih, Ibtissem ; Université de Liège - ULiège > Département GxABT > Gestion durable des bio-agresseurs ; Plant Protection Laboratory, National Institute of Agricultural Research of Tunisia, University of Carthage, El Menzah, Tunisia
Ben Ghanem, Hajer; Field Crop Laboratory of National Institute of Agricultural Research of Tunisia, University of Carthage, El Menzah, Tunisia
Kumari, Safaa G.; International Center for Agricultural Research in the Dry Areas (ICARDA), Terbol Station, Zahla, Lebanon
Varsani, Arvind; Biodesign Center for Fundamental and Applied Microbiomics, Center for Evolution and Medicine, School of Life sciences, Arizona State University, Tempe, United States
Language :
English
Title :
Barley yellow dwarf virus-PAV management using seed-treatment with the insecticide imidacloprid
Publication date :
September 2017
Journal title :
Arab Journal of Plant Protection
ISSN :
0255-982X
eISSN :
2412-5407
Publisher :
Arab Society for Plant Protection
Volume :
35
Issue :
3
Pages :
178 - 184
Peer reviewed :
Peer reviewed
Funding text :
This study was supported by the Education and Scientific Research.This study was supported by the Ministry of Higher Education and Scientific Research.
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