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Inhibitory effect of buprofezin on the larval growth and development of Spodoptera litura (F.)

Authors:
Rokeya Khatun at Bangladesh Agricultural University
Rokeya Khatun
Gopal Das at Bangladesh Agricultural University
Gopal Das
Kazi Shahanara Ahmed at Bangladesh Agricultural University
Kazi Shahanara Ahmed
Hisashi Kato-Noguchi
Hisashi Kato-Noguchi
Hisashi Kato-Noguchi
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Abstract

Effectiveness of buprofezin (Award 40 SC) was evaluated against 2nd instar larvae of Spodoptera litura (F.) under laboratory conditions to analyse the growth and development at three concentrations viz., 200, 400, and 600 ppm with three application methods (direct or topical, indirect or leaf-dip and combined). Observations were made at 3 and 7 days after treatment and compared with untreated control. The results revealed that buprofezin significantly inhibited the larval weight, length and width, and the effect was dose, time and method dependent. Maximum (29.41%) weight reduction was observed with 600 ppm in combined application method, and it was followed by leaf-dip (16.10%) and topical application methods (13.80%). Similarly, 20.89% length and 19.58% width were inhibited when larvae were treated with 600 ppm through combined application method. The next best result was found from 400 ppm and leaf-dip application method. The dose at 200 ppm and topical application methods were found to be the least effective.
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... De acordo com a literatura há relatos da ação do pyriproxyfen, por exemplo, na biologia de Plutella xylostella (Linnaeus, 1758) (Lepidoptera: Plutellidae); do buprofezin atuando em insetos da ordem Lepidoptera, em Spodoptera littorallis (Boisduval, 1833) (Lepidoptera: Noctuidae) e Spodoptera litura (Fabricius, 1775) (Lepidoptera: Noctuidae) especificamente; já o diafenthiuron há relatos demonstrando seus efeitos em lepidópteros como P. xylostella (Nasr et al. 2010;Sarkar 2016;Khatun et al. 2020;Riley et al. 2020). ...
Efeitos não-alvo de inseticidas utilizados para controle de Bemisia tabaci (Gennadius, 1889) biótipo B (Hemiptera: Aleyrodidae) sobre a mortalidade e biologia de Spodoptera frugiperda (Smith, 1797) (Lepidoptera: Noctuidae) em soja [Glycine max (l.) Merrill]
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  • Dec 2023
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... Larvae feeds on the foliage leading to severe defoliation and devastation occurs during reproductive stage in soybean (Chattopadhyay et al., 2019). This species infests over 112 cultivated plants, of which 60 were reported from India (Venette et al., 2003;Khatun et al., 2020). In recent years, S. litura has become a serious pest of soybean in some parts of India (Chattopadhyay et al., 2019) and causes severe outbreak (Dhaliwal et al., 2010). ...
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... Larvae feeds on the foliage leading to severe defoliation and devastation occurs during reproductive stage in soybean (Chattopadhyay et al., 2019). This species infests over 112 cultivated plants, of which 60 were reported from India (Venette et al., 2003;Khatun et al., 2020). In recent years, S. litura has become a serious pest of soybean in some parts of India (Chattopadhyay et al., 2019) and causes severe outbreak (Dhaliwal et al., 2010). ...
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