EFFICIENCY OF SOME SELECTED BOTANICALS IN CONTROLLING LITCHI FRUIT BORER, Conopomorpha sinensis

Muhammad Abu Taher ()
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Muhammad Abu Taher: Department of Entomology, Faculty of Agriculture, Bangladesh Agricultural University, Mymensingh-2202, Bangladesh.

Malaysian Journal of Halal Research Journal (MJHR), 2024, vol. 7, issue 1, 19-22

Abstract: The litchi fruit borer (LFB), Conopomorpha sinensis Bradley (Lepidoptera: Gracillariidae) is the severe pest of lychee in Bangladesh. The eco-friendly and readily available botanicals are often recommended to control LFB. Solo and combined applications of botanicals were studied to lower LFB infestations. All the treatments [neem (Azadirachta indica) leaf extract, bishkatali (Persicaria hydropiper) leaf extract, neem oil, karanza (Pongamia pinnata) oil, neem leaf extract+bishkatali leaf extract and neem oil+karanza oil] were effective in reducing LFB infestations compared to control trees (58.64%). The lowest fruit infestations were in neem leaf extracts (10.66%) followed by bishkatali leaf extract, neem oil, neem leaf extract+bishkatali leaf extract and neem oil+karanza oil. Infestation for karanza oil was lower than the neem leaf extracts but not significantly different to the other treatments. The higher number of marketable fruits (ca.>158 thousand/acre) and benefit-cost ratio (10.99:1) was found for neem leaf extracts. Therefore, neem leaf extract followed by bishkatali leaf extract, neem oil, neem leaf extract+bishkatali leaf extract and neem oil+karanza oil can be recommended to apply. Karanza oil can also be advised to keep LFB infestations lower.

Keywords: Azadirachta indica; Persicaria hydropiper; Pongamia pinnata; Botanicals; Benefit-cost ratio (search for similar items in EconPapers)
Date: 2024
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Persistent link: https://EconPapers.repec.org/RePEc:zib:zbmjhr:v:7:y:2024:i:1:p:19-22

DOI: 10.26480/mjhr.01.2024.19.22

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