Correlation between green leafhopper (GLH) incidence and tungro (RTV) [rice tungro virus; India]
1986
Saroja, R. | Suriachandraselvan, M. | Raju, N. (Tamil Nadu Agricultural Univ., Tamil Nadu (India). Paddy Experiment Station)
A modified Robinson light trap with a 120-watt M.V. lamp was operated from 1800 to 2400 h. Green leafhopper (GLH) catch and tungro (RTV) infection were recorded daily. GLH field infestation was recorded 30 d after transplanting (DT) and RTV infection 45 DT on TKM9 in sornavasi, CO 43 in Samba (Jul-Aug to Dec-Jan), and ADT 36 in Navarai (Dec-Jan to Apr-May). GLH were present all year, but the population peaked on 9 July 1984, when 36,000 GLH were trapped. Field counts confirmed the trend. Level of RTV infection followed a similar pattern, peaking in Jul, and gradually declining from Aug to Oct
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