Sonune, K.R. and Bhamare, V.K.
(2018)
Bio-Efficacy of Different Insecticides against Pod Fly, Melanagromyza obtusa (Malloch) and Plume Moth, Exelastis atomosa (Walsingham)
Infesting Pigeonpea.
International Journal of Current Microbiology and Applied Sciences, Sppl (6).
pp. 2027-2035.
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Abstract
Pulses are vital source of plant-based proteins and amino acids for people around the globe.
Amongst pulses, pigeonpea is an important pulse-cum-grain legume crop, heavily damaged
by plume moth, Exelastis atomosa (Walsingham) and pod fly, Melanagromyza obtusa
(Malloch). Hence, the Central Insecticide Board and Registration Committee have been
recommended several insecticides for the control of pigeonpea pod borer complex.
However, there is need to revalidate the efficacy status of these insecticides for the effective
control of pod borers. Under this background, the present investigation was undertaken to
investigate the bio-efficacy and economics of different insecticides against plume moth and
pod fly during Kharif, 2014. The results revealed that emamectin benzoate 0.0022 per cent
was the most effective treatment in minimizing larval population of E. atomosa (1.60 and
1.93 per plant) followed by flubendiamide 0.0070 per cent (1.67 and 2.07 per plant) and
chlorantraniliprole 0.0055 per cent (1.73 and 2.07 per plant) at 14 days after second and
third spray, respectively. Anonymously, maximum reduction in pod and grain damage due
to E. atomosa was registered in the plots treated with emamectin benzoate 0.0022 per cent
to the tune of 2.33 and 1.67 per cent, respectively followed by chlorantraniliprole 0.0055
per cent (3.00 and 2.33 per cent) and flubendiamide 0.0070 per cent (3.67 and 3.00 per
cent). Highest reduction in pod and grain damage due to M. obtusa was exhibited in the
plots treated with emamectin benzoate 0.0022 per cent to the extent of 9.00 and 6.33 per
cent, respectively followed by chlorantraniliprole 0.0055 per cent (9.67 and 7.00 per cent)
and spinosad 0.0070 per cent (10.33 and 7.67 per cent). The highest grain yield was
recorded by the treatment emamectin benzoate 0.0022 per cent (18.83 q/ha) followed by
chlorantraniliprole 0.0055 per cent (18.32 q/ha), flubendiamide 0.0070 per cent (17.69
q/ha), while quinalphos 0.0700 per cent (1:3.40) recorded highest incremental cost benefit
ratio followed by spinosad (1:2.80) and emamectin benzoate 0.0022 per cent (1:2.30).
| Item Type: |
Article
|
| Uncontrolled Keywords: |
Pigeonpea, Bioefficacy,
Plume
moth, Exelastis
atomosa
(Walsingham),
Pod fly,
Melanagromyza
obtusa
(Malloch), Pod
damage, Grain
damage |
| Author Affiliation: |
Department of Agriculture Entomology, College of Agriculture, Latur (MS)-413 512, India
Vasantrao Naik Marathwada Krishi Vidyapeeth, Parbhani-431 402, Maharashtra, India |
| Subjects: |
Plant Protection |
| Divisions: |
Pigeonpea |
| Depositing User: |
Mr T L Gautham
|
| Date Deposited: |
04 Mar 2019 04:03 |
| Last Modified: |
04 Mar 2019 04:03 |
| URI: |
http://eprints.icrisat.ac.in/id/eprint/15884 |
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