Alternatives to Regular Insecticide Applications for Control of Lepidopterous Pests of<i>Brassica oleracea</i>var. capitata

Endersby, N. M.; Morgan, Wendy C.; Stevenson, Brenden C.; Waters, Colin T.

doi:10.1080/01448765.1992.9754594

Cited by 10 publications

(4 citation statements)

References 7 publications

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“…Garlic essential oil suppressed P. xylostella eggs from hatching, however activity against larvae was generally less effective (Sangha et al 2017) [49] . Applications of garlic extract to suppress Lepidoptera pest in situ showed mixed results (Endersby et al 1992) [14] . The active ingredient of garlic, allicin, degrades rapidly when compared to most chemical insecticides that persist in the environment over ~ 36 ~ certain period of time (Koch & Lawson 1996) [31] .…”

Section: Discussionmentioning

confidence: 99%

Utilizing local plant extracts to control Diamondback moth in round cabbage

Iamba¹,

Malapa²,

Yoba³

2021

Acta Entomol. Zool.

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Diamondback moth (Plutella xylostella L.) with abbreviation DBM is a detrimental pest that mostly attacks cabbage and other vegetables in Brassicaceae family. The build-up of resistance in DBM due to continuous and indiscriminate use of synthetic insecticides have refocused farmer's perspectives to plant based extracts. Plant extracts are generally compatible with natural enemies of pests therefore are considered eco-friendly. This study was done to evaluate the push effect of Garlic (Allium sativum L.), Chili (Capsicum frutescens L.) and Seaweed extract on the activity of DBM. All three treatments; chili extract, garlic extract, and seaweed extract were generally effective in controlling DBM than the reference group (control treatment). Separation of means by Student-newman-keuls (SNK) test showed that Diamondback moth (DBM) abundance under seaweed extract was significantly low (2.18±0.32, p< 0.05) followed by chili extract (3.22±0.43, p< 0.05). There was no significant difference in DBM abundance under garlic extract and control treatment. For defoliation, only control treatment recorded a significant increase in DBM population (5.40±0.64, p< 0.05). The other three plant extracts had similar low non-significant abundances (p> 0.05). Data on LAI did not show any significant differences in all the treatments meaning treatments did not affect LAI (p> 0.05). This study found that both seaweed and chili extracts were effective in controlling P. xylostella in round cabbage. Both extracts are recommended for use since they differ in their mechanism pathways to protect crops.

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Section: Discussionmentioning

confidence: 99%

Utilizing local plant extracts to control Diamondback moth in round cabbage

Iamba¹,

Malapa²,

Yoba³

2021

Acta Entomol. Zool.

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“…Allicin, an organosulphur compound derived from garlic, reportedly has ovicidal, larvicidal, and adulticidal activity against Musca domestica Linnaeus (Diptera: Muscidae), could partially account for the ovicidal and larvicidal activity we observed against P. xylostella . Garlic has shown ovicidal activity against red spider mite, Oligonychus coffeae Nietner (Acari: Tetranychidae) (Roobakkumar et al 2010), and larvicidal, fumigant, or repellant activity against a wide range of insect pests, including P. xylostella (Samarasinghe et al 2007), and other Lepidoptera in laboratory experiments (Machial et al 2010; Yang et al 2012; Ribeiro et al 2015), although applications of garlic extract for Lepidoptera pest suppression in the field have not always been effective (Endersby et al 1992).…”

Section: Discussionmentioning

confidence: 99%

Ovicidal, larvicidal, and behavioural effects of some plant essential oils on diamondback moth (Lepidoptera: Plutellidae)

2017

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Alternatives to synthetic insecticides are desirable for management of diamondback moth, Plutella xylostella (Linnaeus) (Lepidoptera: Plutellidae), an insect pest of global importance. Many essential oils derived from aromatic plants have demonstrated toxicity and behaviour altering effects on insect pests, and are considered low-risk alternatives to synthetic insecticides. We conducted laboratory experiments to determine the biological activity of several low-cost, commercially available essential oils against P. xylostella. Experiments testing ovicidal effects, larvicidal effects, larval feeding deterrence, and adult oviposition deterrence were done with essential oils derived from Artemisia abrotanum Linnaeus (Asteraceae), balsam fir (Abies balsamea Linnaeus (Pinaceae)), black pepper (Piper nigrum Linnaeus (Piperaceae)), eucalyptus (Eucalyptus polybractea (Baker) (Myrtaceae)), garlic (Allium sativum Linnaeus (Amaryllidaceae)), rosewood (a blend of different oil constituents), tansy (Tanacetum vulgare Linnaeus (Asteraceae)), and thyme (Thymus zygis Linnaeus (Lamiaceae)), using concentrations of 1, 2.5, and 5% v/v. Although all essential oils had some level of bioactivity against certain P. xylostella life stages, essential oils from garlic, rosewood, and thyme were most effective overall, demonstrating significant ovicidal and larvicidal activity, as well as deterrent effects on larval feeding and settling behaviour, and adult oviposition. Although variable phytotoxicity was observed with essential oils at 2.5% and 5% v/v concentrations, the results suggest that rosewood, garlic, and thyme essential oils have potential in management of P. xylostella.

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“…Este resultado es congruente con lo reportado tanto para las regiones de cultivo de crucíferas en México (Salas, et al, 1993;Díaz, et al, 2000) como para otras regiones del mundo. Por ejemplo, Nicaragua (Díaz et al, 1999), Costa Rica (CATIE/MIP, 1990;Carazo, et al, 1999), Cuba (Pérez y Vázquez, 2001), Venezuela (García, 1991), Australia (Endersby, et al, 1992) entre otras partes. De hecho P. xylostella es considerada la plaga más importante del cultivo de crucíferas en el mundo (Bender, et al, 1999;Hill and Foster, 2000) debido a que sus poblaciones se encuentran presentes durante todo el año (Salas, et al, 1993) y el tipo de daño consiste en perforar las hojas, barrenar las cabezas y contaminar el cultivo con excremento y secreciones sedosas (Bautista y Véjar, 1999).…”

Section: Pudrición De Tallos 17%unclassified

Producción campesina con alto uso de insumos industriales: El cultivo de repollo (Brassica oleracea var. Capitata) en los altos de Chiapas

Rivera¹,

Lastra²

2007

Ra Ximhai

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El repollo se ha convertido en corto tiempo en el segundo cultivo hortícola más importante de los campesinos indígenas en Los Altos de Chiapas. Es un sistema de alto uso de insumos que genera ingresos pero que también puede acarrear problemas ambientales, económicos y de salud. Pese a ello, no se han documentado las técnicas de cultivo, los problemas productivos y las soluciones que han emprendido los productores. A partir del análisis de una encuesta a productores de la región, se determinó que el sistema de producción presenta dos variantes en la escala de producción y experiencia del productor, y dos variantes en la estacionalidad y rentabilidad del cultivo; los cuales no constituyen distintos manejos de cultivo, a pesar de la variedad de combinaciones en las modalidades de las prácticas. Los principales problemas identificados por los productores son: Insectos plaga, falta de fertilidad en el suelo y enfermedades de la planta. Para mitigarlos se emplean, con frecuencia en forma inadecuada, diversos insumos industriales.

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Alternatives to Regular Insecticide Applications for Control of Lepidopterous Pests ofBrassica oleraceavar. capitata

Cited by 10 publications

References 7 publications

Utilizing local plant extracts to control Diamondback moth in round cabbage

Utilizing local plant extracts to control Diamondback moth in round cabbage

Ovicidal, larvicidal, and behavioural effects of some plant essential oils on diamondback moth (Lepidoptera: Plutellidae)

Producción campesina con alto uso de insumos industriales: El cultivo de repollo (Brassica oleracea var. Capitata) en los altos de Chiapas

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