The Acaricidal Effect of Ethanolic Extracts of<i>Chenopodium quinoa</i>Willd. on<i>Tetranychus urticae</i>Koch (Acari: Tetranychidae)

Harder, M.J.; Mercado, Víctor Tello; Giliomee, J.H.

doi:10.4001/003.024.0050

Cited by 13 publications

(8 citation statements)

References 48 publications

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“…(Harder et al. ). However, the acaricidal activity of S. nigrum crude extract was demonstrated not only in vitro but also during the seedling stage in this study.…”

Section: Discussionmentioning

confidence: 99%

“…Furthermore, many other plant extracts from different families found by various authors are considered acaricides under in vitro laboratory conditions, including Eucalyptus camaldulensis (Mansour et al 2004), K. scoparia (Shi et al 2006), Aloe vera L. (Wei et al 2011), Phytolacca americana L. , Rosmarinus officinalis and Salvia officinalis (Laborda et al 2013), Callistemon viminalis, Eucalyptus bicostata, Eucalyptus maidenii, Eucalyptus sideroxylm and Eucalyptus approximans (Roh et al 2013), Cryptomeria japonica (Yamashita et al 2015) and Chenopodium quinoa Willd. (Harder et al 2016). However, the acaricidal activity of S. nigrum crude extract was demonstrated not only in vitro but also during the seedling stage in this study.…”

Section: Discussionmentioning

confidence: 99%

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Effect of the extract and compound from Solanum nigrum Linn on Tetranychus cinnabarinus

Chen

Dai

2016

J Applied Entomology

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The carmine spider mite Tetranychus cinnabarinus (Boisduval) is a serious pest affecting various glasshouse vegetables, fruits and crops and causes significant damage to crop yields and quality by piercing and sucking foliar tissues. The control of this mite primarily involves the application of synthetic chemical pesticides. In this study, a Solanum nigrum L. extract was evaluated for its potential acaricidal activity against adult female T. cinnabarinus in laboratory conditions, and the S. nigrum extract showed marked efficacy in controlling the carmine spider mite both in vitro and in potted seedlings. Furthermore, the active compound, a phytostanol ester (β‐sitosterol‐3‐O‐heptadeca‐8Z, 11Z‐dienoate), was isolated from the petroleum ether‐soluble fraction of S. nigrum extract via repeated column chromatography and identified based on its physiochemical properties and spectral data. At 7 days after treatment in a potted seedling experiment, the LC50 values of the S. nigrum extract and active compound were found to be 4.70 and 1.85 g/l, respectively. All of these results demonstrated that the S. nigrum extract and its active component exhibit the potential for use as new natural acaricides for controlling carmine spider mites.

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“…(Harder et al. ). However, the acaricidal activity of S. nigrum crude extract was demonstrated not only in vitro but also during the seedling stage in this study.…”

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Effect of the extract and compound from Solanum nigrum Linn on Tetranychus cinnabarinus

Chen

Dai

2016

J Applied Entomology

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“…Moreover, it was assumed with respect to insects that insect resistance, on the base of ecdysteroid receptor complex (EcR), may be due to particular steroidal saponins, which have resemblance with 20-hydroxyecdysone (molting hormone) (Dinan, 2001;Harder et al, 2016). Even though, the saponins' performance was not supported by real resistance reaction to EcR communication, yet rather than loss of cellular unity considerably due to pervasion of the insect cell layer, as described by De Geyter et al (2012).…”

Section: Limits Of the Use Of Saponins In Pest Management Controlmentioning

confidence: 99%

Role of Saponins in Plant Defense against the Diamondback Moth, Plutella xylostella (L.)

Hussain¹,

Qasim²,

Bamisile³

et al. 2017

Preprint

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Abstract:The diamondback moth (DBM), Plutella xylostella L. (Lepidoptera: Plutellidae) is very destructive crucifers specialized pest that has resulted in significant crop losses worldwide. The pest is well attracted to glucosinolate-containing crucifers such as; Barbarea vulgaris (Brassicaceae), and generally to other plants in the genus Barbarea. B. vulgaris on their part, build up resistance against DBM and other herbivorous insects using glucosinolates; that are plant secondary metabolites used in plant defense-contained only in plants of the order Brassicales. Aside glucosinolates, plants in this genus Barbarea (Brassicaceae) also contain saponins; which is toxic to insects and act as feeding deterrents for plant herbivores, most importantly, DBM, as it was found to prevent the survival of DBM larvae on the plant. Saponins are plant secondary metabolites have been established in higher concentrations in younger in contrast to older leaves within the same plant. Previous studies have found a relationship between ontogenetical changes in the host plant's saponin content and attraction/resistance to P. xylostella. The younger leaves recorded higher concentrations of glucosinolates and saponins, which naturally attracts the plant herbivores. DBM was reported to have evolved mechanisms to avoid the toxicity of the former. The plant-herbivore had adapted glucosinolates for host plant recognition, feeding and oviposition stimulants. Despite the adaptation for oviposition by P. xylostella adults, larvae of the insect cannot survive on the same plant. An example is in some varieties of B. vulgaris. The triterpenoid saponins which act as feeding deterrents in larvae are responsible for this direct defense mechanism against P. xylostella. In the future, trials by plant breeders could aim at transferring this insect resistance to other crops. The previous trials had limited because of lack of knowledge on the biosynthetic pathways and regulatory networks of saponins. Herein, we discussed exclusively; saponins mediated plant defense mechanisms against the DBM.

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“…Recently, extracts of various plants have been shown to possess acaricidal activities against T. cinnabarinus , such as those of Mentha piperita (Ren et al, ), Curcuma longa L. (Liu et al, ), Inula britanica (Ma et al, ), Chenopodium quinoa Willd (Harder, Tello, & Giliomee, ), Solanum nigrum Linn (Chen & Dai, ), Aloe vera L. (Zhang, Zhang, Luo, & Ding, ), Lactuca sativa (Li et al, ) and Polygonum aviculare (Cheng, Wang, Ma, Liu, & Shi, ) . These acaricidal plants influence the growth and development of T. cinnabarinus through repellence, antifeeding effects or oviposition deterrence (Chen & Dai, ).…”

Section: Introductionmentioning

confidence: 99%

Effect of acaricidal compound extracted from Arachis hypogaea Linn against Tetranychus cinnabarinus

Liu

Gao

Yao

et al. 2019

J Applied Entomology

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Six plant crude extracts were chosen to evaluate their acaricidal activity against Tetranychus cinnabarinus adults. The crude extract from the stems and leaves of Arachis hypogaea L. presented the highest activity in leaf‐dip bioassays, with an LC50 value of 3,545.98 mg/L. Further extraction using four different solvents (petroleum ether, ethyl acetate, n‐butyl alcohol and distilled water) demonstrated that the active components mainly existed in the petroleum ether phase. Then, the active compound, palmitic acid, was isolated from the petroleum ether phase via two‐step column chromatography using columns filled with silica gel and C‐18 and identified via mass spectrometry and nuclear magnetic resonance analyses. The LC50 value of active palmitic acid against T. cinnabarinus was 534.58 mg/L. The present study demonstrated that the active compound extracted from A. hypogaea is a potential novel botanical acaricide for controlling T. cinnabarinus.

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The Acaricidal Effect of Ethanolic Extracts ofChenopodium quinoaWilld. onTetranychus urticaeKoch (Acari: Tetranychidae)

Cited by 13 publications

References 48 publications

Effect of the extract and compound from Solanum nigrum Linn on Tetranychus cinnabarinus

Effect of the extract and compound from Solanum nigrum Linn on Tetranychus cinnabarinus

Role of Saponins in Plant Defense against the Diamondback Moth, Plutella xylostella (L.)

Effect of acaricidal compound extracted from Arachis hypogaea Linn against Tetranychus cinnabarinus

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