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Medicinal Plants - International Journal of Phytomedicines and Related Industries
Year : 2021, Volume : 13, Issue : 4
First page : ( 564) Last page : ( 571)
Print ISSN : 0975-4261. Online ISSN : 0975-6892.
Article DOI : 10.5958/0975-6892.2021.00065.4

Evaluation of bio-rational insecticides against major sap sucking insect pests of sweet basil (Ocimum basilicum L.)

Kumar Ashok1*, Swaminathan R.1, Mahla M.K.1, Ahir K.C.1, Kachhawa D.2, Meena B.M.3

1Department of Entomology, Rajasthan College of Agriculture, Maharana Pratap University of Agriculture & Technology, Udaipur-313001, Rajasthan, India

2Krishi Vigyan Kendra, Dholpur, Sri Karan Narendra Agriculture University, Jobner-328001, Rajasthan, India

3Department of Agriculture, Government of Rajasthan, Jaipur-302001, Rajasthan, India

*Corresponding author e-mail: bishnoiashok92@gmail.com

Online Published on 06 January, 2022.

Abstract

Efficacy of bio-rational insecticides evaluated after two sprays indicated that among all the bio-rational insecticidal treatments, the Azadirachtin 1500 ppm was found most effective at 3, 5 and 7 days after first spray against sap sucking insect pests as well as defoliators; while the, minimum per cent mean population reduction was recorded in nicotine sulfate 40S (0.02%) against all the insect pests occurred on sweet basil during kharif season 2016–17 and 2017–18. After second spray, the spinosad 45SC (150 ml/ha) was recorded superior among all the bio-rational insecticidal treatments against defoliator insect pests at 3, 5 and 7 days; whereas, the Bacillus thuringiensis (1.5 kg/ha) was least effective at 3, 5 and 7 days after second spray during both the years 2016–17 and 2017–18.

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Keywords

Lamiaceae, Lace bug, Azadirachtin, Medicinal plant, Thrips.

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