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Efficacy of some indigenous products against cowpea aphid, Aphis craccivora Koch

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Title Efficacy of some indigenous products against cowpea aphid, Aphis craccivora Koch
 
Creator Mohapatra, Swapnalisha
Gogoi, Inee
Bhattacharyya, Badal
Nath, Palash Deb
Neog, Borsha
 
Subject Aphis craccivora
Bio-efficacy
Imidacloprid
Indigenous products
 
Description 822-826
An experiment was conducted in field during 2017-18 for efficiency evaluation of seven indigenous products along with a check (imidacloprid 17.8 SL at 20g a.i/ha) to manage Aphis craccivora Koch on cowpea. In the bio-efficacy study, leaf extract of Polygonum hydropiper at 5% was found to be most effective and efficient in aphid population reduction (up to 77.48%), followed by neem oil at 1% (74.11%), Ocimum sanctum leaf extract at 5% (74.00%), Murraya koenigii leaf extract at 5% (70.96%), ash at 10 kg/ha (68.04%), river sand + neem leaf powder at 10 kg/ha (3:1 ratio) (44.48%) and ash + river sand at 10 kg/ha (5:1 ratio) (42.53%) after 7 days of spraying.
 
Date 2021-08-06T06:24:57Z
2021-08-06T06:24:57Z
2021-07
 
Type Article
 
Identifier 0975-1068 (Online); 0972-5938 (Print)
http://nopr.niscair.res.in/handle/123456789/57866
 
Language en
 
Relation Int Cl21: A01N 43/40, A01N 43/56, A01N 51/00, A01N 63/00
 
Publisher NIScPR-CSIR, India
 
Source IJTK Vol.20(3) [July 2021]