Comparative Field Evaluation of Certain Acaricides Against Tetranychus urticae on Strawberry

Masoud, Magdy Abdelzaher; Mesbah, Hassan; Mohamed, Ahmed Mahmoud; Abdel-Hameed, Abdel-Hameed Ragab

Comparative Field Evaluation of Certain Acaricides Against Tetranychus urticae on Strawberry

Document Type : Research papers

Authors

¹ Plant Protection Department, Faculty of Agric. (Saba Basha) - Alex. Univ., Egypt

² Sabahia Research Station, Plant Protection Department, Sugar Crops Research Institute, Agricultural Research Center, Giza, Egypt.

³ Horticultural Control Department, Agricultural Administration in Kom Hamada, Directorate of Agriculture in Behaira, Ministry of Agriculture, Egypt.

Abstract

The present investigation was carried out in a private strawberry farm at Kom Hamada district, Behaira governorate. The investigation was carried out during two succeseive seasons 2015 and 2016. The biological performance of cartin acaricides was studied against Tetranychus urticae the patternof acaricides on 2014/2015 includen: Fenpyroximate,Ethoxazole, Bifenazate and Abamectin while the pattern in the second season include: Fenpyroximate,Ethoxazole, Bifenazate, Abamectin, Milbemectin and Hexythiazox the strawberry plants received six consequent sprays in the first season of 2014/2015 while received five sprays in the second season 2015 on both season, the sprays were carried out on 15 days intervals. The biological performance againstTetranychus urticae could be arranged after 24hrs from treatments. The results showed that the order of reduction of acaricides against TSSM, were Milbemectin ≥ Abamectin ˃ Bifenazate ˃ Fenpyroximate ˃ Hexythiazox˃ Ethoxazole after 24 hrs; Abamectin ≥ Milbemectin ˃ Bifenazate ≥ Fenpyroximate ˃ Ethoxazole˃ Hexythiazox after 48 hrs; and Milbemectin ˃ Abamectin ˃ Bifenazate ˃ Fenpyroximate ˃ Hexythiazox ˃ Ethoxazole after 72 hrs.Therefore, the results concluded that for controlling of TSSM on strawberry plants, it could be applied milbemectin or abamectin in outbreak for fasting effects on it.

Keywords

References

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