Sharaf,, F. (2003). EFFECT OF NPK FERTILlZERS ON COTTON INFESTATION WITH WHITEFLY AND PINK BOLLWORM. Journal of Plant Protection and Pathology, 28(3), 2299-2305. doi: 10.21608/jppp.2003.243142
Fayza H. Sharaf,. "EFFECT OF NPK FERTILlZERS ON COTTON INFESTATION WITH WHITEFLY AND PINK BOLLWORM". Journal of Plant Protection and Pathology, 28, 3, 2003, 2299-2305. doi: 10.21608/jppp.2003.243142
Sharaf,, F. (2003). 'EFFECT OF NPK FERTILlZERS ON COTTON INFESTATION WITH WHITEFLY AND PINK BOLLWORM', Journal of Plant Protection and Pathology, 28(3), pp. 2299-2305. doi: 10.21608/jppp.2003.243142
Sharaf,, F. EFFECT OF NPK FERTILlZERS ON COTTON INFESTATION WITH WHITEFLY AND PINK BOLLWORM. Journal of Plant Protection and Pathology, 2003; 28(3): 2299-2305. doi: 10.21608/jppp.2003.243142
EFFECT OF NPK FERTILlZERS ON COTTON INFESTATION WITH WHITEFLY AND PINK BOLLWORM
Plant Protection Research Institute Agric. Res. Center, Dokkl, Cairo
Abstract
The effects of the major p < /em>lant nulrients, NPK on cotton infestation by Bemisia tabaci (Genn): Pectinophora gossyp < /em>iella (Saund.) and some associated wedalors. were conducted at Sakha Agricultural Research Station, Kafr El-Sheikh Governorate. Egypt during 1997 and 1998 seasons. The obtained results revealed thal the effect 0' phosphorus was pronounced on the occurrence of white ny, while the effect of nitrogen was variable. All fertilizatiOn treatment~ have no effect on the population it.e of the pink bollworm. As for associated predator, the use of normal fertilization exhibited relative increase of the population size.
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