Ibraheem, M., Megahed, H., EI·Gendy, M. (2005). HOST RANGE AND SEASONAL ABUNDANCE OF THE CORN LEAF APHID, Rhopafosiphum maidis FITCH IN SHARKIA, EGYPT. Journal of Plant Protection and Pathology, 30(12), 8117-8126. doi: 10.21608/jppp.2005.239462
M. M.A Ibraheem; H. E. Megahed; M. A. EI·Gendy. "HOST RANGE AND SEASONAL ABUNDANCE OF THE CORN LEAF APHID, Rhopafosiphum maidis FITCH IN SHARKIA, EGYPT". Journal of Plant Protection and Pathology, 30, 12, 2005, 8117-8126. doi: 10.21608/jppp.2005.239462
Ibraheem, M., Megahed, H., EI·Gendy, M. (2005). 'HOST RANGE AND SEASONAL ABUNDANCE OF THE CORN LEAF APHID, Rhopafosiphum maidis FITCH IN SHARKIA, EGYPT', Journal of Plant Protection and Pathology, 30(12), pp. 8117-8126. doi: 10.21608/jppp.2005.239462
Ibraheem, M., Megahed, H., EI·Gendy, M. HOST RANGE AND SEASONAL ABUNDANCE OF THE CORN LEAF APHID, Rhopafosiphum maidis FITCH IN SHARKIA, EGYPT. Journal of Plant Protection and Pathology, 2005; 30(12): 8117-8126. doi: 10.21608/jppp.2005.239462
HOST RANGE AND SEASONAL ABUNDANCE OF THE CORN LEAF APHID, Rhopafosiphum maidis FITCH IN SHARKIA, EGYPT
Plant Protection Res, Institute, Dokki, Giza, Egypt
Abstract
Host range and seasonal abundance of the corn leaf aphid. Rhopa!oslp < /em>hum maidis Fltch(CLA) was estimated at Zagazig district, sherkra Governorate during two continues years (2001t2002and 20021'2003) Rtvop < /em>ekistp < /em>tvurn maidis Fitch found infesting 21 plant species two as grain crops (maize presented and wheat) ,5 species as foliage crops (millet, broom corn, soccharia , maize and Johnson grass) and 14 species of weeds [Jungle rice, barnyard grass, rabbit grass, green fox tail, little seed canary grass, wild oat, sugar can (solitary plants), common reed, dog grass, annual bluegrass, rabbit foot grass, purple nut sedge and mesa (solitary plants) ].The grain crop plants (Z, mays) harbored relatively the highest numbers (presented with 24.46%of the total number of aphid) followed by foliage plants (especially , Sorghum vulgure presented witn 22 21 %) and weeds
Seasonal abundance of Rh maidis population on the different hosts indicated that, popuratron density of CLA on foliage crop and weed plants was raised before and after suitable growing periods of maize and wheat plants The infestation of Rh marc.s started on the weed plants Echmochloa colonum Link, Polypogon monspeliensis Desf and Cyperus rotundus L.) from end November till mid or end January then aphid migrate to wheat and maize which cultivated as foliage crops the Infestation contmuous reaching to mid April and then migrate to early summer plantation maize (grain crop) , also the aphids migrate from Bachiana eruc.torrrus G((sb and Setaria spp to maize (grain and foliage crops) and to soccharia (foliage crop)
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