Environmentally friendly protection of tea plantations in the south of Russia

Aim. To study the possibility of using cryptolemus in an integrated system for combating the Australian grooved worm in the conditions of the southern coast of Crimea.Material and Methods. The population of Icerya purchasi Mackall on plants was determined during regular surveys of agrobiocenoses by counting the number of pest individuals per unit area. The biological effectiveness of cryptolemus from the unique scientific installation «State collection of living entomoacariphages and entomopathogens» in relation to the Australian grooved worm on pittosporum in the conditions of the Southern Coast of Crimea was studied in the following variants: beetle release, larval release and joint release of imago and predator larvae. The possibility of joint use of bioagent and pesticides was studied in the laboratory according to generally accepted methods.Results. It was established that the biological efficacy of Cryptolaemus montrouzieri Muls. in relation to Icerya purchasi Mackall in the conditions of the Southern Coast of Crimea amounted to 50–75% and the possibility of joint use of an entomophage with a number of pesticides is also shown.Conclusion. The potential possibility of controlling the pest population with a bioagent, without the use of chemical means of protection, which is especially important in the conditions of a resort area, has been experimentally proven.

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Cryptolemus in the integrated fight against the Australian Grooved Worm (<i>Icerya purchasi</i> Mackall)

Bugaeva

Kashutina

Ignateva

2022

Ûg Ross.: èkol. razvit.

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Replenishment of the species composition of the bioresource collection of Entomoacariphages

Ignatieva,

Kashutina,

Bugaeva

et al. 2023

Ûg Ross.: èkol. razvit.

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Aim. Formation of the species composition of the bioresource collection "State Collection of Entomoacariphages and Microorganisms" of the Lazarev Experimental Plant Protection Station – a branch of Federal Scientific Centre for Biological Plant Protection. The collection is based on species identified in local biocenoses as well as those introduced from regions with similar climatic conditions.Material and Methods. Collection and study of the effectiveness of native, invasive, introduced entomophages, the dynamics of their acclimatization and the possibility of their introduction into laboratory culture on the territory of the Black Sea coast of Sochi. Methods of their application in plant protection systems were tested.Results. The ability of Cryptolaemus montrouzieri Muls. to control the number of coccids, including Icerya purchase Maskell, has been experimentally established. Entomophages which are effective and adaptable to reproduction in laboratory conditions were selected: Dicyphus errans Wolff. and Macrolophus nubilis H.S., the aphidophage Harmonia axyridis Pall. and others.Conclusion. As a result of the study, wide polyphages of Dicyphus errans Wolff were found to be presented in the collection of the Lazarev Experimental Plant Protection Station, as well as and Macrolophus nubilis H.S., Cryptolaemus montrouzieri Muls., Leis dimidiata Fabr., Harmonia axyridis Pall., Encarsia partenopea Masi and Lysiphlebus fabarum Marsh. Acariphages are represented by Phytoseiulus persimilis Ath.‐Henr. and Amblyseius cucumeris Ond. The biological efficacy of Encarsia partenopea Masi has been evaluated in relation to Trialeurodes vaporariorum Westw. in the conditions of the protected ground of Sochi at the parasite ratio:host of 1:30; 68.6%, the best result being obtained with releases of 1:10; 79.19%. Research has begun on the development of methods for the laboratory breeding of Chilocorus renipustulatus.

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Environmentally friendly protection of tea plantations in the south of Russia

Cited by 2 publications

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Cryptolemus in the integrated fight against the Australian Grooved Worm (<i>Icerya purchasi</i> Mackall)

Cryptolemus in the integrated fight against the Australian Grooved Worm (<i>Icerya purchasi</i> Mackall)

Replenishment of the species composition of the bioresource collection of Entomoacariphages

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