Temperature and rainfall influence the seasonal dynamics of thrips, Frankliniella schultzei and Groundnut bud necrosis virus incidences in tomato field
Plant viruses depend on insect vector for transmission and they manipulate host physiology as well as vector behaviour to enhance the spread and these interactions were influenced by several biotic and abiotic factors. We found maximum temperature and dry weather (summer season) facilitated thrips (Frankliniella schultzei) for increased incidence of Groundnut bud necrosis virus (GBNV) in tomato field whereas, rainfall declined thrips population which was also affected the GBNV incidence during kharif and rabi seasons. These findings will improve our understanding on the vector-virus-host interactions in the perspectives of changing seasonal weather parameters in field condition and useful to develop any sustainable management strategies to control the disease.
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