Remarkably efficient production of a highly insecticidal Chrysodeixis chalcites nucleopolyhedrovirus (ChchNPV) isolate in its homologous host

Bernal, Alexandra; Simón, Oihane; Williams, Trevor; Muñoz, Delia; Caballero, Primitivo

doi:10.1002/ps.4846

Cited by 7 publications

(2 citation statements)

References 43 publications

(75 reference statements)

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“…Currently, the search for suitable solutions to limit the spread and harmfulness of this greenhouse pest is among the priorities of phytomedical experts and tomato growers. In some European countries, the pest is already effectively controlled with egg parasitoids from the genus Trichogramma (Polaszek et al, 2012) and C. chalcites nucleopolyhedrovirus (Bernal et al, 2018) and these or other biological control agents should be considered for implementation in our country for reducing the economic importance of this pest.…”

Section: Discussionmentioning

confidence: 99%

Increased occurrence of five Noctuidae species in Slovenia in the period 2019-2022: presentation of the species and preliminary results of their occurrence and damage

et al. 2023

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In this paper, we present five species of owlet moths (Noctuidae), whose greater abundance was found in Slovenia in the period 2019-2022 as part of research and expert work in the field of plant protection. The greatest economic importance is attributed to the tomato looper (Chrysodeixis chalcites), which two years after its first strong appearance on the Slovenian coastal area is already causing major problems for tomato growers. We did not confirm the harmfulness of the caterpillars on cultivated plants for the silver-Y moth (Autographa gamma), the adult males of which are caught in large numbers using pheromone traps in central Slovenia, and the less numerous beet armyworm (Spodoptera exigua). We can confirm the same for the shark moth (Cucullia umbratica), whose adult males are caught in pheromone traps of the EU quarantine pest Spodoptera frugiperda and the copper underwing (Amphipyra pyramidea), for which we suggest the Slovenian name ‘bakreni podkrilec’, which appeared in, on or in the immediate vicinity of the pheromone traps of the spongy moth (Lymantria dispar) in the oak-hornbeam forest in Prekmurje.

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Section: Discussionmentioning

confidence: 99%

Increased occurrence of five Noctuidae species in Slovenia in the period 2019-2022: presentation of the species and preliminary results of their occurrence and damage

et al. 2023

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“…ChchNPV-TF1 was mass-produced by infecting series of 100 6 th instar C. chalcites at 1×10 8 OBs/ml by the droplet feeding method [35]. Inoculated larvae were placed in 24-well tissue culture plates with a semisynthetic diet and incubated at 25˚C.…”

Section: Virus Strainmentioning

confidence: 99%

Effects of several UV-protective substances on the persistence of the insecticidal activity of the Alphabaculovirus of Chrysodeixis chalcites (ChchNPV-TF1) on banana (Musa acuminata, Musaceae, Colla) under laboratory and open-field conditions

et al. 2021

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Alphabaculovirus of Chrysodeixis chalcites (ChchNPV-TF1) has been investigated as a useful bioinsecticide against C. chalcites (Esper) (Lepidoptera: Noctuidae) in banana crops. This study investigated the effects of several substances on the persistence of ChchNPV-TF1 under field conditions in the Canary Islands. Natural photoprotective substances, such as moringa, cacao, green tea, benzopurpurine, charcoal, iron dioxide, benzimidazole, kaolinite, and bentonite, were first evaluated under laboratory conditions using a Crosslinker as UV light source at 200 J/cm2. The photoprotective substances were divided into three groups: low protection (0–8%; kaolinite), intermediate protection (48–62%; green tea, moringa, bentonite and cacao) and high protection (87–100%; charcoal, iron ioxide). Benzopurpurine and benzimidazole did not provide any photoprotective effects. Two of the substances that yielded the best results, 1% cacao and 1% charcoal, were selected for the open-field experiment in a banana plantation. The persistence of ChchNPV-TF1 OBs (occlusion bodies) on leaf surfaces with sunlight exposure was analysed by comparing the initial mortality of 2nd instar C. chalcites larvae with the mortality observed at various intervals postapplication. The mortality rates decreased over time in all treatments and were always higher in the UV-protective substance-treated parcels. The 1% charcoal treatment exhibited the highest protection in both the laboratory and field experiments. No specific interference of UV-protective substances on the maximum photochemical efficiency of banana plants was observed under field conditions.

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Chrysodeixis chalcites (Esper) (Lepidoptera: Noctuidae) oviposition preferences on different growing stages of banana (Musa acuminate Colla, Musaceae) plants

et al. 2019

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Remarkably efficient production of a highly insecticidal Chrysodeixis chalcites nucleopolyhedrovirus (ChchNPV) isolate in its homologous host

Abstract: The processes described here allow efficient production of sufficient OBs to treat ∼ 40 ha of banana crops using the insects from a single container. © 2018 Society of Chemical Industry.

Cited by 7 publications

References 43 publications

Increased occurrence of five Noctuidae species in Slovenia in the period 2019-2022: presentation of the species and preliminary results of their occurrence and damage

Increased occurrence of five Noctuidae species in Slovenia in the period 2019-2022: presentation of the species and preliminary results of their occurrence and damage

Effects of several UV-protective substances on the persistence of the insecticidal activity of the Alphabaculovirus of Chrysodeixis chalcites (ChchNPV-TF1) on banana (Musa acuminata, Musaceae, Colla) under laboratory and open-field conditions

Chrysodeixis chalcites (Esper) (Lepidoptera: Noctuidae) oviposition preferences on different growing stages of banana (Musa acuminate Colla, Musaceae) plants

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