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ABD-ALLAH, F., TADROS, A. (1995). THE RELATIVE SUSCEPTIBILITY OF CERTAIN DATE PALM LEAF VARIETIES TO ENNEADESMUS TRISPINOSUS (COLEOPTERA: BOSTRICHIDAE) INFESTATION. Egyptian Journal of Agricultural Research, 73(2), 397-402. doi: 10.21608/ejar.1995.433437
FATHY F. ABD-ALLAH; ANTWAN W. TADROS. "THE RELATIVE SUSCEPTIBILITY OF CERTAIN DATE PALM LEAF VARIETIES TO ENNEADESMUS TRISPINOSUS (COLEOPTERA: BOSTRICHIDAE) INFESTATION". Egyptian Journal of Agricultural Research, 73, 2, 1995, 397-402. doi: 10.21608/ejar.1995.433437
ABD-ALLAH, F., TADROS, A. (1995). 'THE RELATIVE SUSCEPTIBILITY OF CERTAIN DATE PALM LEAF VARIETIES TO ENNEADESMUS TRISPINOSUS (COLEOPTERA: BOSTRICHIDAE) INFESTATION', Egyptian Journal of Agricultural Research, 73(2), pp. 397-402. doi: 10.21608/ejar.1995.433437
ABD-ALLAH, F., TADROS, A. THE RELATIVE SUSCEPTIBILITY OF CERTAIN DATE PALM LEAF VARIETIES TO ENNEADESMUS TRISPINOSUS (COLEOPTERA: BOSTRICHIDAE) INFESTATION. Egyptian Journal of Agricultural Research, 1995; 73(2): 397-402. doi: 10.21608/ejar.1995.433437

THE RELATIVE SUSCEPTIBILITY OF CERTAIN DATE PALM LEAF VARIETIES TO ENNEADESMUS TRISPINOSUS (COLEOPTERA: BOSTRICHIDAE) INFESTATION

Article 10, Volume 73, Issue 2, June 1995, Page 397-402  XML PDF (1.42 MB)
Document Type: Original Article
DOI: 10.21608/ejar.1995.433437
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Authors
FATHY F. ABD-ALLAH; ANTWAN W. TADROS
Plant Protection Research Institute, Agricultural Research Centre, Dokki, Giza, Egypt
Abstract
The powder post beetle, Enneadesmus trispinosus Olivier (Coleoptera : Bostrichidae) is an economic pest on date palm leaves in Egypt. During 1992, midribs of seven date palm varieties were tested for their relative susceptibility to the pest's infestation. Midribs of the varieties showed the following descending rate of infestation : " Males" „ "Manthour" , "Zaghloul", "Samani", "Haiani", "Tamr" and "Seeidi (or Seewi) " (26.3 , 21.7 , 20.1, 15.3, 13.5, 2.6 and 0.5% in facultative trials and 23.2, 21.3, 20.5, 16.8, 11.8, 11.5, 4.9 and 1.8% in obligated trials). Although Seeidi (Seewi.) variety showed slight liability to the pest's infestation, in obligated trials, infestation somewhat increases. Seeidi variety could be of some importance in manufacturing date palm midrib.
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