Insecticidal activity of pogostone against <i>Spodoptera litura</i> and <i>Spodoptera exigua</i> (Lepidoptera: Noctuidae)

huang, Si-Han; Xian, Jidong; Kong, Songzhi; Li, Yucui; Xie, Jianhui; Lin, Ji; Chen, Jiannan; Wang, Hongfeng; Su, Zi‐Ren

doi:10.1002/ps.3635

Cited by 69 publications

(44 citation statements)

References 28 publications

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“…In the present study, different fractions showed pupicidal activity at concentration dependent manner. The present findings are in agreement with the findings of Huang et al [8] who reported that Pogostone from Pogostemon cablin (Blanco) Benth. (Lamiaceae) exhibited pupicidal activity against S. litura and S. exigua.…”

Section: Crude Extractssupporting

confidence: 83%

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Bio Efficacy of Atalantia monophylla (L) Correa (Rutaceae) against Spodoptera litura Fabricius (Lepidoptera: Noctuidae)

Baskar¹

2014

Entomol Ornithol Herpetol

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Hexane, chloroform and ethyl acetate extracts of Atalantia monophylla were evaluated for their larvicidal and pupicidal activities against Spodoptera litura. Bioefficacy of A. monophylla leaf extracts were studied leaf disc no choice method at 0.5, 1.0, 2.5 and 5.0% concentration of crude extracts and 125, 250, 500 and 1000 ppm concentration of fractions against S. litura. The maximum larvicidal and pupicidal activities were noticed in hexane extract of A. monophylla. The hexane extract exhibited the least LC 50 value of 2.01% for larvicidal activity and regression value (R 0.98 and Coefficients 9.33 ± 17.1) for concentration dependent larvicidal activity. The hexane extract was fractionated using increasing polarity of solvent system. Twelve fractions were isolated and were evaluated at four different concentrations. Maximum antifeedant, larvicidal and pupicidal activities was noticed in fraction 9 at 1000 ppm concentration. Ninth fraction exhibited concentration dependent antifeedant and larvicidal activities with liner regression of R 0.93, and 0.93 respectively. Least LC 50 value of 340.27 ppm was observed in fraction nine for larvicidal activity. All the concentrations of 9 th fraction showed good activity.

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Section: Crude Extractssupporting

confidence: 83%

“…(Fabaceae) exhibited antifeedant, larvicidal and growth inhibitory activities (increased larval-pupal duration and pupicidal activity) against H. armigera and S. litura. Natural compound from Pogostemon cablin (Blanco) Benth (Lamiaceae) exhibited strong antifeedant and insecticidal activities against S. litura and S. exigua [8].…”

Section: Introductionmentioning

confidence: 99%

Bio Efficacy of Atalantia monophylla (L) Correa (Rutaceae) against Spodoptera litura Fabricius (Lepidoptera: Noctuidae)

Baskar¹

2014

Entomol Ornithol Herpetol

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“…It also delayed pupal-adult ecdysis (when treated with root extracts) as compared to controls. The essential oil of the Pogostemon cablin plant, containing an active ingredient, pogostone, has been reported to cause prolongation of larval and pupal duration in the lepidopteran insect, Spodoptera exigua (Huang et al 2013). Extracts from different plants have been observed to increase larval, pupal and adult duration in several lepidopteran insects.…”

Section: Discussionmentioning

confidence: 99%

Withania somnifera acts as a potential insect growth regulator in the polyphagous pest, Pericallia ricini

Gaur¹,

Kumar²

2018

Journal of Plant Protection Research

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Both seed and root extracts of the medicinal plant, Ashwagandha, Withania somnifera exhibit insect growth regulatory activity against the polyphagous pest, Pericallia ricini. Topical administration of W. somnifera seed and root extracts to last instar larvae of P. ricini disrupted moulting and metamorphosis, leading to a number of developmental abnormalities such as delay in larval-pupal and pupal-adult ecdysis, formation of larval-pupal, pupal--adult and larval-pupal-adult mosaics/chimeras, ecdysial failure, suppression of pupation and adult emergence and formation of abnormal pupae and adultoids. The treatment with seed extracts was more severe than that of root extracts as it completely suppressed the pupation and adult emergence. The results clearly suggest that the medicinal plant, W. somnifera acts as a potential insect growth regulatory (IGR) disrupting the moulting and metamorphosis as a consequence of interference with the endocrine system.

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“…In recent years, its frequent outbreaks in the Asian have caused considerable agricultural economic losses and long-term use of synthetic pesticides that have resulted in serious resistance of S. litura against various insecticides (Tuan et al, 2013). Therefore, S. litura has been paid close attention with the studies extensive on its insecticidal toxicology (Gong et al, 2014;Meng et al, 2013), molecular mechanisms of its insecticide resistance (Rajagopal et al, 2002;Zhou et al, 2012) and new alternatives for its integrated management (Arasu et al, 2013;Huang et al, 2013;Zhao et al, 2013). In some of these cases, it was proofed that RNAi is a useful tool for studying genes function in S. litura.…”

Section: Introductionmentioning

confidence: 99%

Core RNAi Machinery and Three Sid-1 Related Genes in Spodoptera litura (Fabricius)

Gong¹,

Zheng²,

Wang³

et al. 2015

IJAB

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Our previous works confirmed that RNAi efficiency can be achieved by injection of dsRNA into the fourth-instar larva or pupa in Spodoptera litura. However, it has been considered that the RNAi efficiency is refractory in lepidopteran insects. In the present study, we focused on the RNAi machinery in S. litura by using an our previously constructed transcriptome (GenBank TSA: GBBY00000000) to detect genes predicted to be involved in the RNAi response, including the R2d2, Loqs, Ago1, Ago2, Dic1 and Dic2. By using quantitative PCR, we found that these genes were highly expressed in the development stage of adult and in the tissue of fat body. We also found three homologues of the sid1-like gene responsible for dsRNA transport inside the cell in the S. litura transcriptome. These genes were preferentially expressed in the pupal stage and in the tissue of midgut. Z-test of neutral evolution analysis showed that only between Sl-sid1 and Sl-sid3 have the probability of rejecting the null hypothesis of strict-neutrality (dN = dS, P< 0.05), indicating no evolutionary pressure between Sl-sid1 and Sl-sid3. Our data support that S. litura may have a conserved RNAi mechanism, but that different tissues and/or developmental stages may differ in the efficacy of the RNAi response.

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Insecticidal activity of pogostone against Spodoptera litura and Spodoptera exigua (Lepidoptera: Noctuidae)

Cited by 69 publications

References 28 publications

Bio Efficacy of Atalantia monophylla (L) Correa (Rutaceae) against Spodoptera litura Fabricius (Lepidoptera: Noctuidae)

Bio Efficacy of Atalantia monophylla (L) Correa (Rutaceae) against Spodoptera litura Fabricius (Lepidoptera: Noctuidae)

Withania somnifera acts as a potential insect growth regulator in the polyphagous pest, Pericallia ricini

Core RNAi Machinery and Three Sid-1 Related Genes in Spodoptera litura (Fabricius)

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