EI-Fatih, M., EI-Shiekh,, M., EI-Hariry,, M. (2005). A COMPARATIVE STUDY OF CERTAIN BIOLOGICAL ASPECTS OF THREE CEREAL APHID SPECIES REARED ON BARLEY. Journal of Plant Protection and Pathology, 30(9), 5641-5645. doi: 10.21608/jppp.2005.239177
Monira EI-Fatih; M. A. EI-Shiekh,; M. A. EI-Hariry,. "A COMPARATIVE STUDY OF CERTAIN BIOLOGICAL ASPECTS OF THREE CEREAL APHID SPECIES REARED ON BARLEY". Journal of Plant Protection and Pathology, 30, 9, 2005, 5641-5645. doi: 10.21608/jppp.2005.239177
EI-Fatih, M., EI-Shiekh,, M., EI-Hariry,, M. (2005). 'A COMPARATIVE STUDY OF CERTAIN BIOLOGICAL ASPECTS OF THREE CEREAL APHID SPECIES REARED ON BARLEY', Journal of Plant Protection and Pathology, 30(9), pp. 5641-5645. doi: 10.21608/jppp.2005.239177
EI-Fatih, M., EI-Shiekh,, M., EI-Hariry,, M. A COMPARATIVE STUDY OF CERTAIN BIOLOGICAL ASPECTS OF THREE CEREAL APHID SPECIES REARED ON BARLEY. Journal of Plant Protection and Pathology, 2005; 30(9): 5641-5645. doi: 10.21608/jppp.2005.239177
A COMPARATIVE STUDY OF CERTAIN BIOLOGICAL ASPECTS OF THREE CEREAL APHID SPECIES REARED ON BARLEY
1Piercing-Sucking Insects Research Department, Plant Protection Research Institute, Agriculrure Research Center, Dokki, Giza
2Department of Economic Entomology and Pesticides, Faculty of Agriculture,Cairo University, Egypt
Abstract
The different biological aspects or the bird cherry-oat aphid, RhopaloSiphum p < /em>adi (Linnaeus). the rose grain aphid, Melopo/ophium dirllodum (Walker) and the Russian wheat aphid, Diureonis noxie (Mordvilko) were studied at 25°C and 58 - 75 % RH, using barley seedlings for reeding and maintaining aphids.
The obtained results revealed that M. dirhodum had the longest life cycle duration (7.7 ± 1.1 d) followed by D. noxie (6.6 ± 1.7 d) and R. pad; (5.59 1. 1.0 d). The longest generation time (B.B ± 1.5 d) was recorded for O. noxia followed by M. dirhodum (B.3 ± 0.9 d) and R. pad; (6.35 ± 1.06 d). The fecundity rates for both M. dirhodum and R. pad; were 24.66 and 24.12 progenylfemale, respectively. The lowest rate of fecundity (5.43 progeny/1emale) was recorded for D. noxia at 25°C.
M. dirhodum had the longest (19.1 ± 2.8 d) lite span duration followed by R. padi (15.65 :t 2.47 d) and D. ooxi« (15.412.1 d).