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Egyptian Academic Journal of Biological Sciences, F. Toxicology & Pest Control
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El-halawany, A., Sanad, A., Rakha, M. (2017). Field Evaluation of Date Palm Dust Mite, Oligonychus afrasiaticus (McGregor) Control on Date Palm Trees in New Valley Governorate of Egypt. Egyptian Academic Journal of Biological Sciences, F. Toxicology & Pest Control, 9(3), 129-134. doi: 10.21608/eajbsf.2017.17034
Ashraf S. El-halawany; Ahmed S. Sanad; Mohammed A. Rakha. "Field Evaluation of Date Palm Dust Mite, Oligonychus afrasiaticus (McGregor) Control on Date Palm Trees in New Valley Governorate of Egypt". Egyptian Academic Journal of Biological Sciences, F. Toxicology & Pest Control, 9, 3, 2017, 129-134. doi: 10.21608/eajbsf.2017.17034
El-halawany, A., Sanad, A., Rakha, M. (2017). 'Field Evaluation of Date Palm Dust Mite, Oligonychus afrasiaticus (McGregor) Control on Date Palm Trees in New Valley Governorate of Egypt', Egyptian Academic Journal of Biological Sciences, F. Toxicology & Pest Control, 9(3), pp. 129-134. doi: 10.21608/eajbsf.2017.17034
El-halawany, A., Sanad, A., Rakha, M. Field Evaluation of Date Palm Dust Mite, Oligonychus afrasiaticus (McGregor) Control on Date Palm Trees in New Valley Governorate of Egypt. Egyptian Academic Journal of Biological Sciences, F. Toxicology & Pest Control, 2017; 9(3): 129-134. doi: 10.21608/eajbsf.2017.17034

Field Evaluation of Date Palm Dust Mite, Oligonychus afrasiaticus (McGregor) Control on Date Palm Trees in New Valley Governorate of Egypt

Article 12, Volume 9, Issue 3, Summer and Autumn 2017, Page 129-134  XML PDF (348.11 K)
Document Type: Original Article
DOI: 10.21608/eajbsf.2017.17034
Authors
Ashraf S. El-halawany; Ahmed S. Sanad; Mohammed A. Rakha
Plant Protection Research Institute, Agricultural Research Centre, Dokki, Giza, Egypt
Abstract
The old world date mite (dust mite) Oligonychus afrasiaticus (McGregor) is one of the major pests of date fruit in the New Valley Governorate of Egypt. This pest mite affects the fruits of palm trees during the growth and ripening stages as they sucking the fruit juice, leading to stop fruit growth and destroying the crop. This research was carried out in Sharq El-Owainat province for evaluating the effects of biochemical acaricide (Vertimec 1.8% EC as 40 ml/100 liter of water), four acaricides (i.e. Abroch 5% SC as 50 ml/100 L of water, Challenger Super 24% SC as 60 ml/100 L of water, Envidor 24% SC as 30 ml /100 L of water and Ortus Super 5% EC as 50 ml/100 L of water), one insecticide (Tafaban 48% EC as 300 ml/ 100 L of water), a mineral oil (KZ oil 95% EC as 1L/100 L of water), sulfur (Micronite 80% WP as 500 g/100 L of water) and water for O. afrasiaticus in two date palm cultivars Barhi and Bartmoda. Results indicated that in date palm cultivar Barhi, Challenger Super and Vertimec were the most effective ones in reducing date palm mite population reaching 91.93% and 91.60%, respectively, followed by Abroch, Ortus Super, Tafaban and Envidor which gave reduction ranged between 85.07% to 87.74%.  Micronite, KZ oil and water gave reduction between 71.77 and 82.82% after two weeks of application. Challenger Super, Vertimec, Ortus Super and Envidor were the most effective ones in reducing O. afrasiaticus population reaching 95.37%, 94.18%, 91.05% and 90.34%, respectively in date palm cultivar Bartmoda.  Abroch, KZ oil, Tafaban, and Micronite was gave reductions between 77.79% and 82.74%. The lowest was water (61.93%) after two weeks of application.We suggest that use Challenger Super, Vertimec, Ortus Super and Envidor were the most effective ones in reducing O. afrasiaticus populations.
Keywords
Acaricides; Dust mite; Tetranychidae; fruit trees; date palm
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