FLORA AND FAUNA ISSN 2456-9364(Online) 0971-6920(Print)
         
2016 Vol.22 No.1 PP 86­-88
BIO-EFFICACY AND ECONOMICS OF INSECTICIDES FOR MANAGEMENT OF HELIOTHIS ARMIGERA IN GRAM POD OF DISTRICT GONDA, UTTAR PRADESH
ANJANI SHUKLA1, *R.B. TRIPATHI2 AND INDU SINGH3
1Department of Zoology, Kisan P.G. College, BAHRAICH.
2M.L.K.P.G. College, BALRAMPUR
3K.N.I.P.S.S., SULTRANPUR *Corresponding Author E-mail: drrbtripathi.77@gmail.com
ABSTRACT
The minimum larval incidence of H. armigera of 0.95 and 0.36 larva/m row length was recorded in rynaxypyr 20 SC at 3 and 7 days after spraying, respectively followed by flubendiamide 48 SC (1.47 & 0.78 larvae/m row length) and emamectin benzoate 5 SG (1.55 & 1.49 larvae/m row length) as against conventional insecticide profenophos 50 EC which recorded 2.09 and 1.49 larva/m row length. The treatment with rynaxypyr 20 SC was found significantly effective in reducing the pod damage (3.5%) followed by flubendiamic 48 SC (4.8%) and emamectin benzoate 5 SG (6.05%) as compared to profenophos (13.9%). The highest (2590 kg/ha) grain yeild was recorded in rynaxypyr 20 SC followed by flubendiamide 48 SC (2354 kg/ha) and emamectin benzoate 5 SG (2292 kg/ha). However, the highest (1:19.22) ICBR (Incremental cost benefit ratio) was recorded in flubendiamide 48 SC followed by rynaxypyr 20 SC (1:11.1), profenphos 50 EC (1:7.8), emamectin benzoate 5 SG (1:4.2) and lufenuron 5.4 EC (1:3.5).

Key words : Cicer arietinum, Heliothis armigera, Management.
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