Identification of walnut husk (<i>Juglans regia</i> L.) volatiles and the behavioural response of the invasive Walnut Husk Fly, <i>Rhagoletis completa</i> Cresson

Sarles, Landry; Boullis, Antoine; Fassotte, Bérénice; Lognay, Georges; Verhaeghe, A.; Francis, Frédéric; Verheggen, François

doi:10.1002/ps.4584

Cited by 14 publications

(9 citation statements)

References 21 publications

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“…This volatile compound is involved in attracting walnut husk flies that infest Juglans species. This interaction between the allelochemical and the insect may allow better scheduling of pesticide applications by walnut producers . Furthermore, in the case of germination and seedling growth in silverleaf nightshade ( Solanum elaegnifolium Cav.…”

Section: Chemistrymentioning

confidence: 99%

“…This interaction between the allelochemical and the insect may allow better scheduling of pesticide applications by walnut producers. 78 Furthermore, in the case of germination and seedling growth in silverleaf nightshade (Solanum elaegnifolium Cav. ), there seems to be a synergistic effect between -pinene and 1,8-cineole, which show stronger inhibitory effects together.…”

Section: Monoterpenesmentioning

confidence: 99%

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Recent advances in allelopathy for weed control: from knowledge to applications

Macías

Mejías

Molinillo

2019

Pest Management Science

210

131

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Allelopathy is the biological phenomenon of chemical interactions between living organisms in the ecosystem, and must be taken into account in addressing pest and weed problems in future sustainable agriculture. Allelopathy is a multidisciplinary science, but in some cases, aspects of its chemistry are overlooked, despite the need for a deep knowledge of the chemical structural characteristics of allelochemicals to facilitate the design of new herbicides. This review is focused on the most important advances in allelopathy, paying particular attention to the design and development of phenolic compounds, terpenoids and alkaloids as herbicides. The isolation of allelochemicals is mainly addressed, but other aspects such as the analysis and activities of derivatives or analogs are also covered. Furthermore, the use of allelopathy in the fight against parasitic plants is included. The past 12 years have been a prolific period for publications on allelopathy. This critical review discusses future research areas in this field and the state of the art is analyzed from the chemist's perspective. © 2019 Society of Chemical Industry

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Section: Chemistrymentioning

confidence: 99%

Section: Monoterpenesmentioning

confidence: 99%

Recent advances in allelopathy for weed control: from knowledge to applications

Macías

Mejías

Molinillo

2019

Pest Management Science

210

131

View full text Add to dashboard Cite

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“…Economic losses are the result of nut staining, increased percentage of adhering hull, and % shrivel, and reductions in edible yield and relative value (Coates 2005, Solar et al 2019). Synthetic pesticide use restrictions have fostered the development of environmentally sound management tactics (Sarles et al 2015, 2017, 2018) which could include biological control. The only major walnut producing area that has not been invaded by the walnut husk fly is China.…”

mentioning

confidence: 99%

The Effect of Winter Length on Duration of Dormancy and Survival of Rhagoletis completa (Diptera: Tephritidae) and Associated Parasitoids From Northeastern Mexico

Rull

Lasa

Guillén

et al. 2019

Journal of Insect Science

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The walnut husk fly Rhagoletis completa (Cresson), native to the Midwestern United States and Mexico, is invasive in California and Europe. It is one of the most important pests of walnuts in areas gathering 30% of the world production. Knowledge of life-history regulation is important for the design of management strategies. Research on dormancy has been performed on invasive populations, and not on populations at the southern extreme of its native range. Here, we examined the effect of winter length on fly and parasitoid emergence, survival, and duration of dormancy. Percent emergence was higher for chill periods at 5°C ranging from 8 to 20 wk. No or insufficient chill resulted in low emergence and a significant proportion of individuals in prolonged dormancy (>1 yr). Duration of dormancy was longer for pupae at constant temperatures and a 4-wk chill period than longer winter durations. Dormancy was longer for Mexican than that reported for U.S. populations, suggesting the existence of a latitudinal cline where populations at southern latitudes have evolved slower metabolic rates. Three parasitoid species were found associated with R. completa ( Aganaspis alujai (Wharton and Ovruski) (Hymenoptera: Figitidae), Diachasmimorpha juglandis Muesebeck, and Diachasmimorpha mellea Gahan) (Hymenoptera: Braconidae). Results suggest that rearing of R. completa is possible by subjecting pupae to chill periods between 8 and 20 wk. Overwintering mortality of flies and A. alujai could be further reduced above 5°C. Our findings can contribute for the accurate development of predictive models on invasion potential, development, fly and parasitoid rearing, and biological control.

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“…The transcript levels of 4 CSPs were found to be differentially regulated after the treatment of α-pinene, and good binding affinity was confirmed in vitro by competitive binding assay, which suggested such protein was potentially responsible for the perception of α-pinene [48]. Overall, our results could help shed lights on the recognition mechanism of C.auricilius to rice plants and α-pinene could serve as an important “push” agent in developing push-pull strategy against C.auricilius and other closely related stem borers [49].…”

Section: Discussionmentioning

confidence: 80%

Characterizing potential repelling volatiles for “push-pull” strategy against stem borer: a case study in Chilo auricilius

Shi

Wang

et al. 2019

BMC Genomics

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Background Massive techniques have been evaluated for developing different pest control methods to minimize fertilizer and pesticide inputs. As “push-pull” strategy utilizes generally non-toxic chemicals to manipulate behaviors of insects, such strategy is considered to be environmentally friendly. “Push-pull” strategy has been extraordinarily effective in controlling stem borers, and the identification of new “pushing” or “pull” components against stem borers could be significantly helpful. Results In this study, the results of field trapping assay and behavioral assay showed the larvae of C.auricilius, one kind of stem borers, could be deterred by rice plant under tilling stage, its main host crop. The profiles of volatiles were compared between rice plants under two different developmental stages, and α-pinene was identified as a key differential component. The repelling activity of α-pinene against C.auricilius was confirmed by Y-tube olfactometer. For illuminating the olfactory recognition mechanism, transcriptome analysis was carried out, and 13 chemosensory proteins (CSPs) were identified in larvae and 19 CSPs were identified in adult of C.auriciliu, which was reported for the first time in this insect. Among these identified CSPs, 4 CSPs were significantly regulated by α-pinene treatment, and CSP8 showed good binding affinity with α-pinene in vitro. Conclusions Overall, C.auricilius could be repelled by rice plant at tilling stage, and our results highlighted α-pinene as a key component in inducing repelling activity at this specific stage and confirmed the roles of some candidate chemosensory elements in this chemo-sensing process. The results in this study could provide valuable information for chemosensory mechanism of C.auricilius and for identification of “push” agent against rice stem borers.

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Identification of walnut husk (Juglans regia L.) volatiles and the behavioural response of the invasive Walnut Husk Fly, Rhagoletis completa Cresson

Abstract: When searching for a host plant, R. completa use host fruit kairomones. The potential of these semiochemicals in monitoring and management of this quarantine pest is discussed. © 2017 Society of Chemical Industry.

Cited by 14 publications

References 21 publications

Recent advances in allelopathy for weed control: from knowledge to applications

Recent advances in allelopathy for weed control: from knowledge to applications

The Effect of Winter Length on Duration of Dormancy and Survival of Rhagoletis completa (Diptera: Tephritidae) and Associated Parasitoids From Northeastern Mexico

Characterizing potential repelling volatiles for “push-pull” strategy against stem borer: a case study in Chilo auricilius

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