Biochemical and histological effects of gibberellic acid on Locusta migratoria migratoria fifth instar larvae

Abdellaoui, Khemais; Halima-Kamel, Monia Ben; Acheuk, Fatma; Soltani, Noureddine; Aribi, Nadia; Hamouda, Mohamed HabibBen

doi:10.1016/j.pestbp.2013.04.009

Cited by 18 publications

(12 citation statements)

References 14 publications

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“…The phytohormones most commonly associated with induced resistance to pests are jasmonic and salicylic acids (Bruce et al ., 2003; Boughton et al ., 2006; Ulland et al ., 2008). In addition, some studies have demonstrated effects of gibberellic acid in insects (Altuntaş et al ., 2012; Abdellaoui et al ., 2013) and our results indicate that females derived from larvae fed on plants treated with gibberellic acid exhibit a decrease in fecundity. These results corroborate those reported by Kaur & Rup (2002) and Parolin (2012) demonstrating reduced fecundity in Bactrocera cucurbitae (Coquillett) and S. frugiperda , respectively, fed on plants treated with gibberellic acid.…”

Section: Discussionsupporting

confidence: 64%

“…These results corroborate those reported by Kaur & Rup (2002) and Parolin (2012) demonstrating reduced fecundity in Bactrocera cucurbitae (Coquillett) and S. frugiperda , respectively, fed on plants treated with gibberellic acid. The observed decreased fecundity associated with gibberellic acid is likely because it has antifeedant properties, acts on insect metabolism, induces changes in the haemolymph metabolites of insects (Visscher, 1980; Abdellaoui et al , 2013), and increases peroxidase activity in plants (McCune & Galston, 1959; De Souza & MacAdam, 2001). Increases in peroxidase activity are associated with the synthesis of lignin and suberin, which increase tissue hardness, and with the production of active oxygen and quinones, which have antibiotic properties (Stout et al ., 1996).…”

Section: Discussionmentioning

confidence: 99%

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Induction of resistance of corn plants to Spodoptera frugiperda (J. E. Smith, 1797) (Lepidoptera: Noctuidae) by application of silicon and gibberellic acid

Alvarenga

Moraes

Auad³

et al. 2017

Bull. Entomol. Res.

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The aim of this study was to evaluate the effects of silicon application and administration of the phytohormone gibberellic acid on resistance of the corn plants to the fall armyworm (FAW), Spodoptera frugiperda, and their vegetative characteristics. We evaluated larval and pupal duration, survival and biomass, and adult longevity, malformation and fecundity of S. frugiperda after feeding on plant matter treated with silicon and/or gibberellic acid. The feeding preference of FAW first-instar larvae, the total leaf area consumed by the insects, and the vegetative parameters of corn plants were also evaluated. No significant differences were observed in the measured parameters of larval and pupal stages of S. frugiperda in response to silicon or gibberellic acid. In adult stage insects, the number of eggs per female was significantly reduced in insects derived from larvae fed plants treated with silicon or gibberellic acid. In a non-preference test, 48 h after release, caterpillars preferred control untreated plants and consumed less matter from plants that had received hormonal treatment (gibberellic acid). Gibberellic acid also altered the vegetative characteristics of plants, by increasing their height, shoot fresh and dry mass, and silicon content. We conclude that gibberellic acid can alter the vegetative characteristics and silicon uptake of corn plants, leading to a reduction in their consumption by S. frugiperda larvae and a decrease in female insect oviposition.

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Section: Discussionsupporting

confidence: 64%

Section: Discussionmentioning

confidence: 99%

Induction of resistance of corn plants to Spodoptera frugiperda (J. E. Smith, 1797) (Lepidoptera: Noctuidae) by application of silicon and gibberellic acid

Alvarenga

Moraes

Auad³

et al. 2017

Bull. Entomol. Res.

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“…Many researchers have reported on the effectiveness of plant extracts against insects (Acheuk et al, 2012;Abdellaoui et al, 2013Abdellaoui et al, , 2016Pavela,2004 andNathan et al, 2006). In the present work, the crude ethanolic extract of A. judaica showed potent insecticidal effects against the black aphid, A.fabae.…”

Section: Enzymathic Effectssupporting

confidence: 58%

Phytochemical Study and Bioinsecticidal Effect of the Crude Ethonolic Extract of the Algerian Plant Artemisia Judaica L. (Asteraceae) Against the Black Bean Aphid, Aphis Fabae Scop.

Acheuk¹,

Lakhdari²,

Abdellaoui³

et al. 2017

AgricultForest

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SUMMARYPlants are the nature's biochemical factories. They bio-synthesize a diverse array of different natural products, such as alkaloids, terpenes and terpenoids, phenolic compounds, flavonoids and coumarins through their structural mechanisms to reduce insect attacks, both constitutive and inducible, while insects have evolved strategies to overcome these plant defenses.There is a widespread effort to find new pesticides, and currently it is focused on natural compounds such as flavonoids, coumarins, terpenoids, and phenolics from diverse botanical families from arid and semi-arid lands. Algeria by the diversity of its habitats has a very diverse flora. Some of these plants have very interesting insecticidal properties. The aim of this study is to evaluate the insecticidal effect of the plant Artemisia judaica L. (Asteraceae). The crude ethanol extract of the plant A. judaica was tested on the black bean aphid Aphis fabae Scop. Four doses (12.5, 6.25, 3.12 and 1.56 mg mL -1 ) were tested on contact wingless adults. The results have showed that the tested extract has been very powerful to aphids. At the highest dose 12.5 mgmL -1 , the 100% of mortality were recorded 2 hours after treatment, and for the lowest dose (1.56 mgmL -1 ) it was after 96 hours. The LD50 calculated 2 hours after treatment from the regression lines Probit = ƒ (doses) shows that it is 2.75 mgmL -1 . This powerful insecticidal activity of the tested crude extract could be due to the richness of the plant on phenolics compounds known for their bio-insecticide action.

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“…The insects used in the present study came from a gregarious stock that had been reared at the Higher Agronomic Institute of Chott Mariem from 2004 onward, as described by Abdellaoui et al . (). Insects were maintained under a LD 12/12 h photocycle at 30 ± 1 °C.…”

Section: Methodsmentioning

confidence: 97%

“…Recent research has turned more towards selective biorational pesticides. Among these, botanical insecticides attract the greatest attention and they are reviewed extensively (Abdellaoui et al ., ). Indeed, before the development of synthetic insecticides, materials derived from plants provided a means for crop protection.…”

Section: Introductionmentioning

confidence: 97%

Physiological and biochemical effects of Olea europaea leaf extracts from four phenological growth stages on the oogenesis of female locust Locusta migratoria

et al. 2018

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The effects of olive leaf extract (OLE) are studied on several reproductive variables and the ovarian biochemical composition of Locusta migratoria (Orthoptera: Acrididae) adult females. The methanolic extracts are prepared from the leaves sampled during four phenological growth stages of olive tree: cluster formation (Cf), swelling inflorescence buds (Sib), full flowering (Ff) and endocarp hardening (Eh). When applied to adult females during the pre-ovipositional phase, the treatment elicites a significant adverse effect on their reproductive potential. Indeed, OLE significantly reduces both fecundity and fertility and affects oocyte growth during the first gonadotrophic cycle, as indicated by measurements of ovarian weight, length of terminal oocytes and ovarian index. Furthermore, OLE is examined with respect to ovarian biochemical components. Biochemical analyses reveal a significant reduction of ovarian contents of proteins, lipids and carbohydrates, suggesting a disruption in the incorporation of the haemolymph metabolites in the oocytes and an interference of OLE with the vitellogenesis process. The antigonadotrophic effect is confirmed by a histological study of the ovaries, which clearly shows a delay in ovarian development and in yolk accumulation in the basal oocytes of treated females. The most effect is noted with the extract prepared from the leaves collected at the swelling inflorescence buds for all measured parameters, which appears to be related to its high content of polyphenols. Acrididae) comprise the two major species. These species exhibit phenotypic plasticity, known as density-dependent phase polyphenism, where individuals can exist anywhere between two extreme forms (solitarious versus gregarious) that differ in their morphology, physiology, behaviour, ecology and propensity to cause agricultural damage (Lazar et al., 2016;Cullen et al., 2017). Locusts at the solitarious form cause little damage to agricultural crops but, in the gregarious phase, they are responsible for substantial damage to crops and grazing, as

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Biochemical and histological effects of gibberellic acid on Locusta migratoria migratoria fifth instar larvae

Cited by 18 publications

References 14 publications

Induction of resistance of corn plants to Spodoptera frugiperda (J. E. Smith, 1797) (Lepidoptera: Noctuidae) by application of silicon and gibberellic acid

Induction of resistance of corn plants to Spodoptera frugiperda (J. E. Smith, 1797) (Lepidoptera: Noctuidae) by application of silicon and gibberellic acid

Phytochemical Study and Bioinsecticidal Effect of the Crude Ethonolic Extract of the Algerian Plant Artemisia Judaica L. (Asteraceae) Against the Black Bean Aphid, Aphis Fabae Scop.

Physiological and biochemical effects of Olea europaea leaf extracts from four phenological growth stages on the oogenesis of female locust Locusta migratoria

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