Comparison of the effect of three essential oils of cumin, yarrow and wild carrots on dicotyledon, Tetranychus urticae Koch (Acari: Tetranychidae)

رحیمی, عباس and گلیزاده, علی and صالحی, فهیمه and آدینه, سحر Comparison of the effect of three essential oils of cumin, yarrow and wild carrots on dicotyledon, Tetranychus urticae Koch (Acari: Tetranychidae). In: 2nd International and 6th National Iranian Congress on Organic vs. Conventional Agriculture, August 2019, Ardabil, Iran.

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Abstract

Tetranychus utricae Koch is of great importance because of its wide dissemination, wide range of hosts, severe damage, high population growth and the ability to create resistance to pesticides. Herbal Essences are complex compounds that, in addition to fecundity, nutritional suppression and egg suppression, can be considered as fungible chemical stimuli for pests. In this research, the effect of planting essential oils of caraway caraway, carum carvito, Achillea millefolium and wild carrot, Dacus carota on diclous tartan eggs at 26 ± 2 ° C and 40 ± 5% relative humidity and darkness 16: 8 was investigated. Essential oil was extracted by water distillation and with Clevenger. The main concentrations of the test for essential oil of Cumin, 0.33, 0.16, 0.33, 0.66, 33.1, 66.2 and 5.333 μl / l, for the essential oil of yarrow, 0.33, 66 0.31, 66.2, 33.5, 10.66 and 21.44 μl per liter of air and carrot essential oil, 0.33, 0.66, 33.1, 66.2, 33/5 , 10.66 and 21.44 microliter per liter of air. LC50 levels of seeds for cumin, yarrow and wild carrots were 0.69, 2.9 and 3.6 mg / lit, respectively. The results indicated that the essential oil of Cumin had a lower concentration in the Yarrow's and Yarrow's carrots on the egg whale stage. Also, based on the results of analysis of variance and comparison of the mean effect of seedling growth of the essential oils increased with increasing concentration.

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