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 Narmin A. Youssef (2008).
Insecticides activities ofBacillusthuringinsis bacteria and Steinernemacarpocapsae nematode on Spodopteralittoralis. Egypt. J. of Appl. Sci., 23(5) 335-384. |
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Amin G. Alotaibi S., Narmen A. Youssef and Saleh W.D(2008). Bio- hnsecticide production by the bacteriumBacillusthuringinsis (Pattern of cell growth, toxin production and- by product synthesis). Archivex of Agronomy and Soil Science. Vol. 54.No.4.August 387-394 |
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Amin G. Alotaibi S., Narmen A. Youssef and Saleh W.D. (2008).Optimization of a fermentation process forbio- insecticide production by Bacillus thuringinsis.World J. Microbial Biotechnol. 24: 2465-2471. |
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EL- Gendi, S. S. and Narmin A. Y. (2004).
Susceptibility ofwheat varieties to investigation with green aphidSchizaphisgraminum (Rondani), and wheat thripsFranklinilellatritici under field conditions at FayoumGovernorate. Egypt. J. Appl. Sci., (12B) 761-765 |
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Narmin A. Y, F. F. M. Mostafa, A.A.M. Okil and HudaR.K.(2006).
Seasonal flight activity of Scolytus amygdaleguer on apricot trees by using trap logs atFayoum Governorate. FayoumJ.Agic. Res.Dev. vol.2 (1) 186-191 |
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Narmin A. Y. and EL- Gendi, S. S. (2005).
Ecologicalstudies on cereal aphid Schizaphisgraminum(Rondani) on wheat plants and associated naturalenemies in Fayoum Governorate. Fayoum J. AgricRes. & Dev. 19: (1), 17-23 |
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Narmin A. Youssef, F. F. M. Mostafa, A. A. M.
OkilandHuda R. Ali (2006). Laboratory studies on shot- holeborer, Scolytusamygdaliguer attacking apricot treesand its associated parasitoids at El- FayoumGovernorate. Annals Agric. Sci. Ain Shams University, Cairo, 1(2): 523-530.. |
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Narmin A. Youssef, F. F. M. Mostafa, A. A. M.
OkilandHuda R. Ali (2006).Certain factors affecting infestationof apricot trees with Scolytusamygdali in Fayoum. Annals Agric. Sci. Ain Shams University, Cairo, 51(2):541-550 |
NarmenA.Youssef (2014).
Effect of certain entomopathogenic fungi and nematode on the desert locust Schistoceracgregaria (Forskal).Annals Agric. Sci., 59(1):153-161. |
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Gamil A. Amin, NarmenA.Youssef, Saleh .B and Saleh .D.(2010).Assessment of insecticidal activity of red pigment produced by the fungus Beauveriabassiana.WorldJ.MicrobialBiotechnol 26:2263-2268. |
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NarmenA.Youssef ,GamilA.AminandSalah El-DinEl-Assal (2014).Isolation and identification of local isolated bacterial strains as a biological control agent against the cotton leafwormSpodopteralittoralis(Boisd.) Egyptian J. of Biological Pest Control,24(1), |
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NarmenA.Youssef and Hassan G.M. (2013).Bio-insecticidal activity of Bacillus thuringensis isolates on the tomato borer, Tutaabsoluta (Meyrick) and the molecular identification Egyptian J.of Biological Pest Control, 23 (1),107-116. |
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Ibrahim,H.H.Ali; NarmenA.Youssef;EkramF.Hashim and Mohamed A.El.Deeb.(2012).insecticidal effect of some marine algae extracts on Spodopteralittoralis (Boisd.) and Aphis craccivora (Koch).J.Egypt.Soc.Toxicol.45:73-77. |
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NarmenA.Youssef, Mostafa F.F.M. and Huda R.K.(2013).Ecological studies on the powder post beetles lyctusafricanus lesne.Bull.ent.Soc.Egypt.Ser.,90:63-68. |
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NarmenA.Youssef, Mostaf F.F.M. and Huda.R.K.)2013(.Biological studies on the predator,TarsostenusunivittatusRossi ( coleoptera : cleridae) of the powder post beetle,LyctusafricanusLesene (coleopteran:Lyctidae) Egyptian J.of Biological Pest Control, 23 (2),295-299. |
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NarmenA.Youssef and Amira A.Abu El-Magd)2012(.Insecticidal potentialities of leaf extracts of Azadirachtaindica (A.Juss.)and Calotropisprocera (Ait) against Spodopteralittoralis (Boisduval)
( Lepidoptera:Noctuidae).Bull.ent.Soc.Egypt.Econ.Ser.,38:59-69.
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Narmen A. Youssef (2015).
Efficacy of the entomopathogenic nematodes and fungi for controlling the tomato leafminer ,Tutaabsoluta (Meyrick) (Lepidoptera:Gelechiidae). Arab Univ.J.
Agric.Sci.,Ain Shams Univ., Cairo, 23 (2), 591 – 598.
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Narmen A. Youssef (2015).Ecological study on three major insect pests of tomato plantations in Fayoum Governorate.Fayoum J. Agric. Res.& Dev., Vol. 31, No. 2, 1- 16. |
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Narmen A. Youssef and Atef A. Abd-Elgayed (2015).
Biological parametersof the predator,AmphibolusvenatorKlug (Hemiptera: Reduviidae) when preyed on larvae of TriboliumconfusumDuv. (Coleoptera: Tenebriondae). Annals of Agri.Sc., 60(1), 41 – 46 |
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Atef A. Abd-ElgayedandNarmen A. Youssef (2015).
Effect of some stored insect pest species on biological aspects of the predator,AmphibolusvenatorKlug (Hemiptera: Reduviidae). Annals of Agri.Sc., 60(1), 47 – 51. |
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Narmen A. Youssef and Atef A. Abd-ELgayed (2015). Evaluation of some commercial formuilations against Spodopteralittoralis and Hyperabrunneippennis larvae. Annals of Agri.Sc.,Moshtohor 53(2), 1-6. |