Critical Review on Past, Present and Future Scope of Diamondback Moth Management

Jamtsho, Thinley; Banu, Najitha; Kinley, Chimi

doi:10.51470/plantarchives.2021.v21.no1.159

Cited by 3 publications

(2 citation statements)

References 83 publications

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“…These different routes of toxicity can act simultaneously, favoring the action of the silver nanoparticles against the insect and reducing the possibility of insect resistance. Therefore, the use of silver nanoparticles is an advantageous alternative in the control of insect pests, such as P. xylostella , which is resistant to several chemical pesticides [ 38 , 39 , 40 , 41 , 42 , 43 ]. In addition, Deltamethrin is highly toxic to humans and other animals and may cause the development of cellular anomalies.…”

Section: Resultsmentioning

confidence: 99%

Entomopathogenic Fungi-Mediated AgNPs: Synthesis and Insecticidal Effect against Plutella xylostella (Lepidoptera: Plutellidae)

Santos

Varize²,

Jain

et al. 2022

Materials

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The insect Plutella xylostella is known worldwide to cause severe damage to brassica plantations because of its resistance against several groups of chemicals and pesticides. Efforts have been conducted to overcome the barrier of P. xylostella genetic resistance. Because of their easy production and effective insecticidal activity against different insect orders, silver nanoparticles are proposed as an alternative for agricultural pest control. The use of entomopathogenic fungi for nanoparticle production may offer additional advantages since fungal biomolecules may synergistically improve the nanoparticle’s effectiveness. The present study aimed to synthesize silver nanoparticles using aqueous extracts of Beauveria bassiana, Metarhizium anisopliae, and Isaria fumosorosea isolates and to evaluate their insecticidal activity against P. xylostella, as innovative nano-ecofriendly pest control. The produced silver nanoparticles were evaluated by measuring the UV–vis spectrum and the mean particle size by dynamic light scattering (DLS). I. fumosorosea aqueous extract with 3-mM silver nitrate solution showed the most promising results (86-nm mean diameter and 0.37 of polydispersity). Scanning electron microscopy showed spherical nanoparticles and Fourier-Transform Infrared Spectroscopy revealed the presence of amine and amide groups, possibly responsible for nanoparticles’ reduction and stabilization. The CL50 value of 0.691 mg mL−1 was determined at 72-h for the second-instar larvae of the P. xylostella, promoting a 78% of cumulative mortality rate after the entire larval stage. From our results, the synthesis of silver nanoparticles mediated by entomopathogenic fungi was successful in obtaining an efficient product for insect pest control. The I. fumosorosea was the most suitable isolate for the synthesis of silver nanoparticles contributing to the development of a green nanoproduct and the potential control of P. xylostella.

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Section: Resultsmentioning

confidence: 99%

Entomopathogenic Fungi-Mediated AgNPs: Synthesis and Insecticidal Effect against Plutella xylostella (Lepidoptera: Plutellidae)

Santos

Varize²,

Jain

et al. 2022

Materials

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“…Among the most destructive pests in the global agricultural industry are desert locust (Schistocerca gregaria), Japanese beetle (Popillia japonica), cotton bollworm (Helicoverpa armigera), diamondback moth (Plutella xylostella), corn rootworm (Diabrotica virgifera), stink bugs (Halyomorpha halys), brown planthopper (Nilaparvata lugens), potato beetle (Leptinotarsa decemlineata), fall armyworm (Spododptera frugiperda), tobacco whitefly (Bemisia tabaci) and golden apple snail (Pomacea canaliculata). The diamondback moth is found throughout the continent and destroys cruciferous vegetable crops (Jamtsho et al, 2021). The Japanese beetle is an invasive insect and feeds on veins of leaves (Althoff and Rice, 2022).…”

Section: Introductionmentioning

confidence: 99%

Anti-feedant and Molluscicidal Activities of Selected Spices Against Achatina fulica (Gastropoda: Achatinidae)

Daud,

Setiawan,

Budin

2023

JSML

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The application of biopesticides is progressively encouraged for its advantages associated with environmental safety and high biodegradability. The objectives of this study were to compare the phytochemical constituents, anti-feedant, and molluscicidal activities of spices against the giant African land snail, Achatina fulica. The spices evaluated were clove (Syzygium aromaticum), cinnamon (Cinnamomum verum), black pepper (Piper nigrum), cumin (Cuminum cyminum) and coriander (Coriandrum sativum). Phytochemical constituents of spices were screened by qualitative standard protocols. Anti-feedant activity was investigated by the leaf disc no-choice bioassay method and molluscicidal activity was evaluated by a 72-h contact toxicity test. The phytochemical screening showed positive results for tannins, saponins, alkaloids, flavonoids, terpenoids, and phenols in clove, cinnamon, cumin and coriander ethanolic extracts whereas only tannins, alkaloids and terpenoids were found in the black pepper ethanolic extract. The leaf disc no-choice bioassay revealed that all spices demonstrated anti-feedant activity (p<0.05, compared to control). However, only clove (85.33±3.09%), cinnamon (72.35±3.41%) and coriander (81.54±3.88%) ethanolic extracts showed high feeding inhibition activity, whereas black pepper (68.85±3.22%) and cumin (68.96±3.12%) had moderate anti-feedant activity. In the contact toxicity test, clove ethanolic extract (52.67±1.53%) showed moderate molluscicidal activity, meanwhile cinnamon (19.34±2.08%), black pepper (16.65±1.15%), cumin (18.96±1.42%) and coriander (22.67±1.37%) demonstrated low molluscicidal activity. In conclusion, all spices tested in this study showed the presence of important secondary metabolites that contribute to anti-feedant and molluscicidal activities at differening levels.

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Biology and Lifetable of Diamond Back Moth <i>Plutella xylostella</i> (L) on Cruciferous Crops

Sharma,

Das,

Singh

et al. 2024

IJE

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Plutella xylostella L., commonly known as diamondback moth (DBM), is an important pest of cruciferous crops worldwide. In this study, biology and life table parameters of P. xylostella, reared on cauliflower (Brassica oleracea L. var botrytis), cabbage (B. oleracea L. var capitata) and radish (Raphanus sativus L.), were measured to evaluate the suitability of these plants. The developmental period, survivorship and fecundity of P. xylostella were statistically same on all three test plants, however longevity of female was significantly higher on cabbage compared to cauliflower and radish. The mortality of larvae was significantly higher during early developmental stages, i.e. first and second larval instars, when reared on cauliflower and cabbage leaves but it was evenly distributed throughout the developmental stages when reared on radish. Moreover, the intrinsic rate of increase (rm) was highest on cauliflower (0.35) as compared with cabbage (0.29) and radish (0.33), rendering it the most suitable host plant for P. xylostella. Present study may be helpful in calculating population dynamics and predicting time of action threshold for the application of insecticides and other control measures for the management of this pest.

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Critical Review on Past, Present and Future Scope of Diamondback Moth Management

Cited by 3 publications

References 83 publications

Entomopathogenic Fungi-Mediated AgNPs: Synthesis and Insecticidal Effect against Plutella xylostella (Lepidoptera: Plutellidae)

Entomopathogenic Fungi-Mediated AgNPs: Synthesis and Insecticidal Effect against Plutella xylostella (Lepidoptera: Plutellidae)

Anti-feedant and Molluscicidal Activities of Selected Spices Against Achatina fulica (Gastropoda: Achatinidae)

Biology and Lifetable of Diamond Back Moth <i>Plutella xylostella</i> (L) on Cruciferous Crops

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