Yaspal Singh Nirala*, Gajendra Chandrakar, Sanjay Sharma and Sanjay Kumar Ghirtlahre
Department of Entomology, College of agriculture, Indira Gandhi Krishi Vishwavidyalaya,
Raipur- 492012, Chhattisgarh, India
*Email : ypsnirala@gmail.com
Received-17.02.2015, Revised-04.03.2015
Abstract: Rice occupies the prominent place in Indian agriculture. Field experiment was conducted at research farm of Indira Gandhi Krishi Vishwa Vidyalaya, Raipur during kharif season 2013-14 using two upland direct seeded rice ecosystems (UDS) and upland transplanted rice ecosystems (UTP). The results of field experiments revealed that the maximum incidence of white backed plant hopper, Sogatella furcifera and zigzag leaf hopper, Recilia dorsalis observed in UTP with (1.38) and (1.46) as compare to UDS with (0.20) and (0.32) nymph/adult/25 sweeps (seasonal mean), respectively. White backed plant hopper showed significant positive correlation with sun shine hours in UDS only. Zigzag leaf hopper showed significant positive correlation with sun shine hours and significant negative correlation with minimum temperature, average temperature, evening relative humidity, average relative humidity in UTP. The maximum population of white leaf hopper, Cofana spp. was observed in UDS as compare to UTP and showed non-significant correlation with weather parameters.
Keywords: Ecosystem, Leaf hopper, Plant hopper, Rice, Upland
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