Principles of Assessment of Pesticide Toxicity to Arthropods Used for Pest Control in Greenhouses

Sukhoruchenko, G. I.; Belyakova, N. A.; Ivanova, G. P.; Козлова, Е. Г.; Pazyuk, I. M.

doi:10.1134/s0013873818080043

Cited by 2 publications

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“…Phytoseiidae (Sukhoruchenko et al, 2021). Поэтому технологии их совместного применения с пестицидами являются необходимым элементом систем интегрированной защиты в современных теплицах (Sukhoruchenko et al, 2018).…”

Section: совместное применение с другими энтомофагамиunclassified

World experience in the production and use of phytoseiid mites

Popov

Belyakova

2022

1727-1320

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This review discusses various aspects of biology, production and application of phytoseiid mites in plant protection. Phytoseiids are one of the most widely used groups of natural enemies for biological control in greenhouses. Currently, 45 species are available on the market; many of them are produced in weekly amounts of tens of millions. The most popular biocontrol agents are omnivorous species Neoseiulus cucumeris, N. barkeri, Amblyseius andersoni, A. swirskii, Typhlodromus pyri, and T. montdorensis. They control wide range of pests but have no strong food preferences. As a result, they are used mostly in inundative augmentation, which means instant releases of large numbers of of individuals. Entomophages of this group quickly develop resistance to pesticides in the field, which opens up opportunities for selecting resistant lines. The review also talks about the introduction and maintenance of predator populations in greenhouses, including the use of banker plants.

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Section: совместное применение с другими энтомофагамиunclassified

World experience in the production and use of phytoseiid mites

Popov

Belyakova

2022

1727-1320

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“…Meanwhile, the target insect pests develop resistance to xenobiotics which makes the most widely applied chemicals ineffective relatively fast and demands for the new substances to be introduced (Mallet, 1989;Sukhoruchenko, Dolzhenko, 2008;Muntyan et al, 2014;Bass et al, 2015;Wang et al, 2018;Benkovskaya, Dubovskiy, 2020;Hafeez et al, 2022). And though modern tendencies of novel pesticide design are declared to aim at increasing specificity toward pests while decreasing toxicity to non-target organisms and persistence in the environment (Inglesfield, 1989;Abubakar et al, 2020;Sukhoruchenko et al, 2020;, the safety of novel classes of synthetic insecticides is extensively debated (Jeschke, 2010;Kampfraath et al, 2017;Sukhoruchenko et al, 2018;Khan, Ahmad, 2019;Kumar, Kumar, 2019;Rezende-Teixeira et al, 2022).…”

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Spore yield of the microsporidium Nosema pyrausta (Paillot) Weiser, 1961 is influenced the insect host rearing temperature and diet composition

et al. 2023

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The microsporidium Nosema pyrausta (Paillot) Weiser, 1961 is an important mortality factor of the stem borers of the genus Ostrinia and may be used to control other lepidopteran pests. Rearing conditions (temperature regime and diet composition) of the laboratory host Ostrinia furnacalis (Guenée, 1854) (Pyraloidea: Crambidae) were compared in terms of their influence on N. pyrausta spore production, estimated as the mean spore number per host pupa. At lowered temperature (+20 °C), most of the experimental insects died at the larval stage, and in survived pupae, the microsporidium spore yield was below 8 × 10 6 spores/pupa. At the temperature of +24 °C, which is supposed to be the optimal for the insect laboratory culture exploited, N. pyrausta spore yield was about 50 × 10 6 spores/pupa. At increased temperature (+28 °C), the parasite spore yield was not higher than 28 × 10 6 spores/pupa. The mean spore yield values were significantly different between the variants of the three thermal regimes at 99% confidence level. The microsporidium spore production was further compared in insects fed with a standard corn flour-based diet vs modified diet (corn flour mixed with soybean flour at an equal proportion), reared at + 24 °C. Insect feeding with the modified diet caused an increase of the average spore yield by 35% (70 × 10 6 vs 52 × 10 6 spores/pupa obtained using the standard diet). Similarly, the weight of the pupae reared on the modified diet was 33% higher (0.0721 g vs 0.0542 g on the standard diet). Both the spore yield and the pupal weight values were significantly different between the two diet types at 95% confidence level. This provides one logical explanation of the parasite spore production increase as conditioned by the insect host weight increment. These observations indicate that +24 °C is the optimal thermal regime for N. pyrausta spore production which can further be augmented by supplementing diet of infected Ostrinia furnacalis larvae with soybean flour.

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Principles of Assessment of Pesticide Toxicity to Arthropods Used for Pest Control in Greenhouses

Cited by 2 publications

References 0 publications

World experience in the production and use of phytoseiid mites

World experience in the production and use of phytoseiid mites

Spore yield of the microsporidium Nosema pyrausta (Paillot) Weiser, 1961 is influenced the insect host rearing temperature and diet composition

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