TY  - SER
AU  - El-Defrawi,G.M.M.
AU  - El-Harty,E.H.
TI  - Injury levels and yield loss model for the cowpea aphid aphis craccivora koch on vicia faba (L)
KW  - Fava bean
KW  - Diseases and pests
KW  - Egypt
KW  - Cowpea
N1  - Includes reference
N2  - Two experimental techniques were conducted based on the natural infestation of faba bean local varieties (cultivars) by aphids or by infestation percentage, during 2006/07 and 2007/08 seasons at sids ARS, beni-suef governorate, middle Egypt
UR  - http://nile.enal.sci.eg/EALE/2009/EJAR/8709/2si/abstract/1.pdf
UR  - http://nile.enal.sci.eg/EALE/2009/EJAR/8709/2si/1.pdf
ER  -