Releasing natural enemies and applying microbial and botanical pesticides for managing Tuta absoluta in the MENA region

Mansour, Ramzi; Biondi, Antonio

doi:10.1007/s12600-020-00849-w

Cited by 43 publications

(36 citation statements)

References 114 publications

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“…The results of the present study could enable optimizing biological control methods against T . absoluta , although multiple other factors should be considered to achieve fully effective and sustainable Integrated Pest Management (IPM) strategies [ 18 , 85 , 86 ].…”

Section: Discussionmentioning

confidence: 99%

Combination of generalist predators, Nesidiocoris tenuis and Macrolophus pygmaeus, with a companion plant, Sesamum indicum: What benefit for biological control of Tuta absoluta?

et al. 2021

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Tuta absoluta is one of the most damaging pests of tomato crops worldwide. Damage due to larvae may cause up to 100% loss of tomato production. Use of natural enemies to control the pest, notably predatory mirids such as Nesidiocoris tenuis and Macrolophus pygmaeus, is increasingly being promoted. However, considering the potential damage caused to tomatoes by these omnivorous predators in the absence of T. absoluta, an alternative solution could be required to reduce tomato damage and improve the predators’ performance. The use of companion plants can be an innovative solution to cope with these issues. The present study aimed to determine the influence of companion plants and alternative preys on the predators’ performance in controlling T. absoluta and protecting tomato plants. We evaluated the effect of predators (alone or combined) and a companion plant (sesame (Sesamum indicum)) on T. absoluta egg predation and crop damage caused by N. tenuis. The influence of an alternative prey (Ephestia kuehniella eggs) on the spatial distribution of predators was also evaluated by caging them in the prey presence or absence, either on tomato or sesame plants or on both. We found that the presence of sesame did not reduce the efficacy of N. tenuis or M. pygmaeus in consuming T. absoluta eggs; hatched egg proportion decreased when N. tenuis, M. pygmaeus, or both predators were present. More specifically, this proportion was more strongly reduced when both predators were combined. Sesame presence also reduced necrotic rings caused by N. tenuis on tomato plants. Nesidiocoris tenuis preferred sesame over tomato plants (except when food was provided only on the tomato plant) and the upper part of the plants, whereas M. pygmaeus preferred tomato to sesame plants (except when food was provided only on the sesame plant) and had no preference for a plant part. Combination of predators N. tenuis and M. pygmaeus allows for better coverage of cultivated plants in terms of occupation of different plant parts and better regulation of T. absoluta populations. Sesamum indicum is a potential companion plant that can be used to significantly reduce N. tenuis damage to tomatoes.

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Section: Discussionmentioning

confidence: 99%

Combination of generalist predators, Nesidiocoris tenuis and Macrolophus pygmaeus, with a companion plant, Sesamum indicum: What benefit for biological control of Tuta absoluta?

et al. 2021

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“…Several studies have examined the lethal and/or sublethal (e.g., on behavior) effects of essential oils derived from citrus peel (Campolo et al 2017), cardamom (Chegini and Abbasipour 2017) and ajwain (Piri et al 2020), which all demonstrated significant pest repellency and/or mortality efficacy. Growers are recommended to use those essential oil products alone and/or combined with other biorational options, such as arthropod predators and microbial pesticides (Mansour and Biondi 2021). However, several limitations, such as optimized and authorized formulations, for the practical inclusion of essential oils into IPM programs are still occurring (Pavela and Benelli 2016).…”

Section: Essential Oil-based Botanical Insecticidesmentioning

confidence: 99%

“…Lobos et al (2013) noticed that higher numbers of T. absoluta were captured near upwind borders of tomato fields suggesting that treatments should be concentrated near upwind parts of fields. Mass trapping is rarely sufficient to control T. absoluta populations and should be used in combination with other control measures to reach an acceptable level of crop protection (Cherif et al 2018;Mansour and Biondi 2021).…”

Section: Mass Trappingmentioning

confidence: 99%

“…A great number of entomopathogens are lethal to T. absoluta including bacteria, fungi and nematodes. Microbial biopesticides are usually not as harmful to environment as chemical insecticides, tend to be safer for humans and other vertebrates and are compatible with other groups of beneficial organisms such as arthropod natural enemies (Gonzalez-Cabrera et al 2011;Molla et al 2011;Mansour and Biondi 2021).…”

Section: Biological Control With Microorganismsmentioning

confidence: 99%

“…Current field results indicate that the intentional use of commercially available predators for biological control of T. absoluta has only been successful in early-invaded areas of Southern Europe (Mollà et al 2011;Calvo et al 2012a;Oztemiz et al 2012;Urbaneja et al 2012;Arno et al 2018a;Biondi et al 2018). It is still too early to determine if similar predator-based biological control practices are having a significant impact in other areas recently invaded by T. absoluta (Shaltiel-Harpaz et al 2016;Varshney and Ballal 2017;Ismoilov et al 2020;Mansour and Biondi 2021). Nevertheless, the two commercially available predatory mirid bugs, N. tenuis and M. pygmaeus, have emerged as key biological control agents for T. absoluta in Europe (Pérez-Hedo et al 2021a).…”

Section: Predatorsmentioning

confidence: 99%

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Integrated pest management of Tuta absoluta: practical implementations across different world regions

et al. 2021

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Does the dose make the poison? Neurotoxic insecticides impair predator orientation and reproduction even at low concentrations

Passos

Ricupero

Gugliuzzo

et al. 2022

Pest Management Science

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BACKGROUND Pesticides can be noxious to non‐target beneficial arthropods and their negative effects have been recently recognized even at low doses. The predator Nesidiocoris tenuis (Reuter) (Hemiptera: Miridae) plays an important role in controlling insect pests in solanaceous crops, but its concurrent herbivory often poses relevant concerns for tomato production. Although insecticide side effects on N. tenuis have been previously studied, little is known on the potential implications of neurotoxic chemicals at low concentrations. We assessed the baseline toxicity of three neurotoxic insecticides (lambda‐cyhalothrin, spinosad and chlorpyrifos) on N. tenuis by topical contact exposure. The behavioral and reproduction capacity of the predator was then investigated upon exposure to three estimated low‐lethal concentrations (LC1, LC10 and LC30). RESULTS Predator survival varied among insecticides and concentrations, with LC30/label rate ratios ranging from 8.45% to 65.40% for spinosad and lambda‐cyhalothrin, respectively. All insecticides reduced the fertility of N. tenuis females at all estimated low‐lethal concentrations. Chlorpyrifos seriously compromised predator orientation towards a host plant even at LC1, while the same effect was observed for lambda‐cyhalothrin and spinosad solely at LC30. Lambda‐cyhalothrin (at all concentrations) and chlorpyrifos (at LC10 and LC30) also affected the time taken by N. tenuis females to make a choice. CONCLUSION The results indicate that all three insecticides can be detrimental to N. tenuis and should be avoided when presence of the predator is desirable. © 2022 The Authors. Pest Management Science published by John Wiley & Sons Ltd on behalf of Society of Chemical Industry.

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Releasing natural enemies and applying microbial and botanical pesticides for managing Tuta absoluta in the MENA region

Cited by 43 publications

References 114 publications

Combination of generalist predators, Nesidiocoris tenuis and Macrolophus pygmaeus, with a companion plant, Sesamum indicum: What benefit for biological control of Tuta absoluta?

Combination of generalist predators, Nesidiocoris tenuis and Macrolophus pygmaeus, with a companion plant, Sesamum indicum: What benefit for biological control of Tuta absoluta?

Integrated pest management of Tuta absoluta: practical implementations across different world regions

Does the dose make the poison? Neurotoxic insecticides impair predator orientation and reproduction even at low concentrations

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