Efficacy of bio-rational pesticides for the management of Leucinodes orbonalis Guenee in Rupandehi, Nepal

The field experiment was conducted from March to June of 2017 in field conditions at the Institute of Agriculture and Animal Science (IAAS), Paklihawa Campus, Rupandehi, Nepal to evaluate the efficacy of botanicals, microbial, and chemical insecticide against Leucinodes orbonalis Guenee. We assessed...

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Autores principales:	Dipak Khanal, Radha Pandey, Radhika Dhakal, Nisha Neupane, Ankita Shrestha, Milan Nepali Joseph, Asmi Paudel, Meena Pandey
Formato:	article
Lenguaje:	EN
Publicado:	Elsevier 2021
Materias:	Bio-rational Brinjal Leucinodes orbonalis Management Monitoring Science (General) Q1-390 Social sciences (General) H1-99
Acceso en línea:	https://doaj.org/article/2420b5db88cd4ac380adab8ae2789cf1
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id	oai:doaj.org-article:2420b5db88cd4ac380adab8ae2789cf1
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spelling	oai:doaj.org-article:2420b5db88cd4ac380adab8ae2789cf12021-12-02T05:02:26ZEfficacy of bio-rational pesticides for the management of Leucinodes orbonalis Guenee in Rupandehi, Nepal2405-844010.1016/j.heliyon.2021.e08286https://doaj.org/article/2420b5db88cd4ac380adab8ae2789cf12021-11-01T00:00:00Zhttp://www.sciencedirect.com/science/article/pii/S2405844021023896https://doaj.org/toc/2405-8440The field experiment was conducted from March to June of 2017 in field conditions at the Institute of Agriculture and Animal Science (IAAS), Paklihawa Campus, Rupandehi, Nepal to evaluate the efficacy of botanicals, microbial, and chemical insecticide against Leucinodes orbonalis Guenee. We assessed seven treatments including control in randomized complete block design with four replications and two sprays. The treatments evaluated for the management of L. orbonalis were i) Jholmal, 250 ml/l of water ii) Beauveria bassiana (Daman), 4 g/l water iii) Abamectin 5 % (Biotrine), 0.5 ml/l of water iv) Bacillus thuringiensis var. kurstaki (Mahastra), 4 g/l of water v) Emamectin benzoate (Cobra), 0.5 g/l of water vi) Azadirachtin 1500 ppm (Neem Kavach), 5 ml/l of water vii) Control (pure water application). All the treatments applied were found to be superior to the control. The results revealed that the lowest percentage of infested fruit i.e. 57.97% and 34.52% were found at 14 days after the first and second spray of Emamectin benzoate treatment respectively, as well as it was found to be significant over control in both sprays. The marketable yield of plot treated with Emamectin benzoate in eggplant was found to be the highest i.e.7.19 t/ha and 7.13 t/ha which was followed by Neem Kavach with the yield of 6.69 t/ha and 7.06 t/ha and that of control plots was 2.98 t/ha and 2.56 t/ha after first and second spray respectively. Further, our study concluded both marketable yield and Benefit-Cost (BC) ratio of brinjal fruit were the highest under the treatment of Emamectin benzoate followed by Jholmal and Neem Kavach. From this experiment, we concluded that Emamectin benzoate was the most effective treatment for the management of L. orbonalis while Jholmal and Neem Kavach proved to be the best alternative.Dipak KhanalRadha PandeyRadhika DhakalNisha NeupaneAnkita ShresthaMilan Nepali JosephAsmi PaudelMeena PandeyElsevierarticleBio-rationalBrinjalLeucinodes orbonalisManagementMonitoringScience (General)Q1-390Social sciences (General)H1-99ENHeliyon, Vol 7, Iss 11, Pp e08286- (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Bio-rational Brinjal Leucinodes orbonalis Management Monitoring Science (General) Q1-390 Social sciences (General) H1-99
spellingShingle	Bio-rational Brinjal Leucinodes orbonalis Management Monitoring Science (General) Q1-390 Social sciences (General) H1-99 Dipak Khanal Radha Pandey Radhika Dhakal Nisha Neupane Ankita Shrestha Milan Nepali Joseph Asmi Paudel Meena Pandey Efficacy of bio-rational pesticides for the management of Leucinodes orbonalis Guenee in Rupandehi, Nepal
description	The field experiment was conducted from March to June of 2017 in field conditions at the Institute of Agriculture and Animal Science (IAAS), Paklihawa Campus, Rupandehi, Nepal to evaluate the efficacy of botanicals, microbial, and chemical insecticide against Leucinodes orbonalis Guenee. We assessed seven treatments including control in randomized complete block design with four replications and two sprays. The treatments evaluated for the management of L. orbonalis were i) Jholmal, 250 ml/l of water ii) Beauveria bassiana (Daman), 4 g/l water iii) Abamectin 5 % (Biotrine), 0.5 ml/l of water iv) Bacillus thuringiensis var. kurstaki (Mahastra), 4 g/l of water v) Emamectin benzoate (Cobra), 0.5 g/l of water vi) Azadirachtin 1500 ppm (Neem Kavach), 5 ml/l of water vii) Control (pure water application). All the treatments applied were found to be superior to the control. The results revealed that the lowest percentage of infested fruit i.e. 57.97% and 34.52% were found at 14 days after the first and second spray of Emamectin benzoate treatment respectively, as well as it was found to be significant over control in both sprays. The marketable yield of plot treated with Emamectin benzoate in eggplant was found to be the highest i.e.7.19 t/ha and 7.13 t/ha which was followed by Neem Kavach with the yield of 6.69 t/ha and 7.06 t/ha and that of control plots was 2.98 t/ha and 2.56 t/ha after first and second spray respectively. Further, our study concluded both marketable yield and Benefit-Cost (BC) ratio of brinjal fruit were the highest under the treatment of Emamectin benzoate followed by Jholmal and Neem Kavach. From this experiment, we concluded that Emamectin benzoate was the most effective treatment for the management of L. orbonalis while Jholmal and Neem Kavach proved to be the best alternative.
format	article
author	Dipak Khanal Radha Pandey Radhika Dhakal Nisha Neupane Ankita Shrestha Milan Nepali Joseph Asmi Paudel Meena Pandey
author_facet	Dipak Khanal Radha Pandey Radhika Dhakal Nisha Neupane Ankita Shrestha Milan Nepali Joseph Asmi Paudel Meena Pandey
author_sort	Dipak Khanal
title	Efficacy of bio-rational pesticides for the management of Leucinodes orbonalis Guenee in Rupandehi, Nepal
title_short	Efficacy of bio-rational pesticides for the management of Leucinodes orbonalis Guenee in Rupandehi, Nepal
title_full	Efficacy of bio-rational pesticides for the management of Leucinodes orbonalis Guenee in Rupandehi, Nepal
title_fullStr	Efficacy of bio-rational pesticides for the management of Leucinodes orbonalis Guenee in Rupandehi, Nepal
title_full_unstemmed	Efficacy of bio-rational pesticides for the management of Leucinodes orbonalis Guenee in Rupandehi, Nepal
title_sort	efficacy of bio-rational pesticides for the management of leucinodes orbonalis guenee in rupandehi, nepal
publisher	Elsevier
publishDate	2021
url	https://doaj.org/article/2420b5db88cd4ac380adab8ae2789cf1
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Efficacy of bio-rational pesticides for the management of Leucinodes orbonalis Guenee in Rupandehi, Nepal

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