Use of the drug Bi-58 and imidacloprid against pests coniferous crops in Uzbekistan
Journal Title: Бюллетень науки и практики - Year 2018, Vol 4, Issue 4
Abstract
At existing rates of consumption, these drugs do not fully meet the requirements of effective protection of coniferous crops from pests. Tests of Bi-58, 40% ae, and imidacloprid, 35% are against pests of coniferous crops were carried out on the territory of the Qibray district of the Tashkent region. The purpose of the studies is to determine the effectiveness of the increase in the rate of drug consumption. The preparation Bi-58, 40% at a rate of 0.2 l/ha does not provide effective protection of coniferous plantations in cities from aphids and worms in urban conditions. Efficiency is ensured with an increase in the rate of flow to 0.3 l/ha. The preparation form is convenient in application, phytotoxicity at the rate of application of Bi-58, 40% 0.3 l/ha are not found. The preparation Imidacloprid, 35% showed high effectiveness against aphids on pine and coniferous on juniper at a rate of 0.5 l/ha. The preparation form is convenient in application, quickly forms a working mixture, phytotoxicity is not detected. Recommended optimal rates of expenditure against aphids on pine and mealybug on juniper.
Authors and Affiliations
Z. Nafasov
Keywords
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- EP ID EP483062
- DOI 10.5281/zenodo.1218333
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