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Journal of Plant Protection and Pathology
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Saleh, A., Abd-Elhady, A., Abas, M., Elbarbary, M. (2013). ROLE OF NATURAL ENEMIES AND MICROBIAL CONTROL FOR CONTROLLING RED PALM WEEVIL , Rhynchophorus ferrugineus OLIVER AT DAKAHLIA GOVERNORATE,EGYPT.. Journal of Plant Protection and Pathology, 4(4), 359-376. doi: 10.21608/jppp.2013.87385
A. A. Saleh; A. A. Abd-Elhady; M. K. Abas; M. M. Elbarbary. "ROLE OF NATURAL ENEMIES AND MICROBIAL CONTROL FOR CONTROLLING RED PALM WEEVIL , Rhynchophorus ferrugineus OLIVER AT DAKAHLIA GOVERNORATE,EGYPT.". Journal of Plant Protection and Pathology, 4, 4, 2013, 359-376. doi: 10.21608/jppp.2013.87385
Saleh, A., Abd-Elhady, A., Abas, M., Elbarbary, M. (2013). 'ROLE OF NATURAL ENEMIES AND MICROBIAL CONTROL FOR CONTROLLING RED PALM WEEVIL , Rhynchophorus ferrugineus OLIVER AT DAKAHLIA GOVERNORATE,EGYPT.', Journal of Plant Protection and Pathology, 4(4), pp. 359-376. doi: 10.21608/jppp.2013.87385
Saleh, A., Abd-Elhady, A., Abas, M., Elbarbary, M. ROLE OF NATURAL ENEMIES AND MICROBIAL CONTROL FOR CONTROLLING RED PALM WEEVIL , Rhynchophorus ferrugineus OLIVER AT DAKAHLIA GOVERNORATE,EGYPT.. Journal of Plant Protection and Pathology, 2013; 4(4): 359-376. doi: 10.21608/jppp.2013.87385

ROLE OF NATURAL ENEMIES AND MICROBIAL CONTROL FOR CONTROLLING RED PALM WEEVIL , Rhynchophorus ferrugineus OLIVER AT DAKAHLIA GOVERNORATE,EGYPT.

Article 4, Volume 4, Issue 4, April 2013, Page 359-376  XML PDF (584.34 K)
Document Type: Original Article
DOI: 10.21608/jppp.2013.87385
Authors
A. A. Saleh1; A. A. Abd-Elhady2; M. K. Abas1; M. M. Elbarbary2
1Pesticides Department, Fac. of Agricultural, MANSOURA Univ.,
2Plant Protection Res., Inst., Agric. Res. Center, AL-Dokky, Giza, Egypt.
Abstract
The  red  palm  weevil  ( Rhynchophorus  ferrugineus ) is a devastating  pest of  palms  in the Mediterranean, Middle East, and Eastern countries. Survey the natural enemies were conducted during two successive years (2009and 2010) in Dakahlia governorate. The RPW in date palm has been managed with an integrated pest management (IPM) approach comprising several tactics including the biopesticides based on insects, mites, predators to control. In this study, the susceptibility of different date palm cultivars to the RPW infestation was determined and a survey of the natural enemies of the RPW in Dakahlia governorate was conducted. The obtained results showed that red palm weevilinside cocoonsstages wereattacked by the ectoparasitoids mites; Uropodina phoritic and Aegyptus rhynchophorus. On the other hand recorded local strain of Beauveria bassiana mycosis disease on RPW was verified. Also Anisolabis maritime predator eggs of the RPW.
The parasitism showed three peaks each year.  The high parasitism of the mites start with in the beginning of January then increased gradually to reach the first peak at the 4th week of January, 2nd week of February and 2nd week at April these peaks were recorded during 2009. Also during season 2010 the first peak at the 2nd and 4th weeks of March and 2nd week of April. Also the pathogenic fungus B. bassiana exhibited three peaks of seasonal activity each year. These peaks were recorded during 2009 in February, March and May. While, the second season (2010), of activity was recorded from the January to the June and these peaks were recorded in February, April and May. Data indicated that there was significant positive correlation between average temperature and the parasitism. So it's with the pathogenic fungus, abundance on the RPW, the studied two year. While relative humidity had negative effect.
Keywords
Biological control; pathogenic fungus; parasitism; predator eggs; natural enemies
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