Comparison of efficiency of different populations of predatory mite Phytoseiulus persimilis in conditions of production greenhouses

Козлова, Е. Г.; Anisimov, A. I.; Moor, V.V.

doi:10.31993/2308-6459-2018-3(97)-23-28

“…Greenhouse agrobiocenosis is a closed biological system characterized by incompletely established consort connections, being therefore unstable. Formation of a protective species complex using entomo-and acariphages, entomopathogenic and antagonist microbes is crucial for effective biological regulation [2][3][4]. For example, microbial protection of vegetable crops in greenhouses recruits formulations based on conidia of entomopathogenic fungi and nematodes, antagonist microbes with multifunctional type of action on plants (regulatory activity) and pathogens (suppressive activity), and toxin formulations of microbial origin able control a number of harmful species (Table 1).…”

Section: Plant Protection In Greenhousesmentioning

confidence: 99%

Biological plant protection in greenhouse, intensive and organic farming

Pavlyushin

¹

2020

BIO Web Conf.

4

0

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The scientific schools of All-Russian Institute of Plant Protection offer a new paradigm for the development of plant protection, based on the principles of managing the phytosanitary state of agroecosystems. In recent years, the biological protection of vegetables in greenhouses develops intensively. The assortment of protective biological products are in demand on the domestic market and have proven themselves in bioprotection systems. Given the strict regulatory framework for organic farming and the presence of a wide variety of phytosanitary objects, the phytosanitary risks are of great importance when ecologically safe agricultural products are to be obtained. In intensive crop production, plant protection is largely based upon application of synthetic pesticides. Efforts are aimed at reduction of harm and one of the modern trends is the increase in usage of biological products for treatment of seeds as well as spraying crops during the vegetation season. More biological products are used nowadays and positive results are obtained.

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“…A. swirskii can be superior to other species of predatory mites because its wider prey range and its resistance to higher air temperatures (up to 25-32 °C) (Lee, Gillespie, 2011). The predator is now used in more than 50 countries, including the Russian Federation (Kozlova et al, 2018). A. swirskii selectively feeds on eggs and immature stages of whiteflies, and first instar nymphs of thrips (Swirski et al1967).…”

Section: Introductionmentioning

confidence: 99%

Compatibility of the fungus Lecanicillium muscarium and the predatory mite Amblyseius swirskii for their combined application against the greenhouse whitefly Trialeurodes vaporariorum

Митина

¹

,

Красавина

²

,

Трапезникова

³

2021

1727-1320

1

0

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The present study evaluated effects of the fungus Lecanicillium muscarium (Ascomycota: Hypocreales) and an organic extract from its mycelium on the greenhouse whitefly Trialeurodes vaporariorum (Hemiptera: Aleyrodidae) and its predator, mite Amblyseius swirskii (Acari: Phytoseiidae). Mites were exposed to fungal spores or organic extract prepared from L. muscarium mycelium. No negative effect was shown on the predator feeding on T. vaporariorum nymphs treated with fungal conidia at a concentration of 5 × 107 spores/ml; by day six the number of mite eggs and nymphs was 18.7 % higher than on leaves treated with Tween 80. In contrast, treatment of leaves with a 0.5 % alcohol extract derived from L. muscarium mycelium caused 35 % mortality of A. swirskii adults by day two. In a trial conducted in a commercial greenhouse on rose plants, the application of L. muscarium conidia followed by the release of A. swirskii suppressed T. vaporariorum more effectively than each of the control agents applied separately.

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“…A. swirskii can be superior to other species of predatory mites because its wider prey range and its resistance to higher air temperatures (up to 25-32 °C) (Lee, Gillespie, 2011). The predator is now used in more than 50 countries, including the Russian Federation (Kozlova et al, 2018). A. swirskii selectively feeds on eggs and immature stages of whiteflies, and first instar nymphs of thrips (Swirski et al1967).…”

Section: Appendix 1 Continued Introductionmentioning

confidence: 99%