The Separated and Combined Effect of Entomopathogenic Nematodes in the Control of Halyomorpha Halys in Georgia

Authors : Nona Mikaia; Irina Khelisupali; ZairaTkhebuchava

Volume/Issue : Volume 7 - 2022, Issue 9 - September

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Halyomorpha halys, also known as the brown marmorated stink bug (BMSB), or simply the stink bug, is a serious agricultural pest that has been readily causing damage to crops across the west and eastern Georgia. The brown marmorated stink bug is an agricultural pest that can cause widespread damage to fruit and vegetable crops. They feed on a wide array of plants including apples, apricots, Asian pears, cherries, corn, grapes, lima beans, peaches, peppers, tomatoes, and soybeans. This makes them extremely versatile as they do not require a specific plant to feed on. Species of the entomopathogenic nematodes, Steinernema carpocapsae isolate "Zi" (Germany) and strain Steinernema carpocapsae (Israel) were studied against Halyomorpha halys (Stink bug). Under laboratory conditions, by using different nematode strains 500 juveniles IJ/ml of S.carpocapsae isolate "Zi"(Germany) and strain S. carpocapsae (Israel) were used separately and in combination against H. halys (Stink bug). In both strains were used water for control. In the results of investigation to shown that high effect of all treatments of pests such as, 4th and 5th instar larvae of H.halys (Stink bug) were recorded on the 7th day, after treatments with S.carpocapsae isolate Zi (Germany) and S.carpocapsae (Israel) in combination.

Keywords : Halyomorpha Halys, Entomopathogenic Nematodes, Steinernema Carpocapsae, Brown Marmorated Stink Bug


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