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Comparative study of effectiveness of Eichhornia, Acorus & Ipomoea against Coleopteran pest in mixed ratio

Ravindra Kumar Sharmaa* & O.P. Singhb
aDepartment of Zoology, B.R.A.B.University & S.J.S. Senior Secondary School, Tetaria, East Champaran, Bihar, India
bDepartment of Zoology, B.R.A.B.University & Principal, R.D.S. College, Muzaffarpur, Bihar, India
Received : 27th April, 2020 ; Revised : 28th May, 2020

Abstract Leaf powder of Eichhornia, Acorus & Ipomoea was mixed in different ratio. After treatment with leaf powder at different concentration on adult mortality against R.dominica infesting rice and C.maculatus infesting gram. Five pairs of fleshly emerged adult of R.dominica (Fab) & C. maculatus (Fab) were released separately in each of experimental replication. The weight taken for each experiment was 100gm of rice and gram respectively. All experiment were setup at same temperature and relative humidity 60-70%. Six does of plant pesticides were used for such treatment & result showed quicker mortality in different percentage that depends upon dose & durations.

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