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NASSEF, M., WATSON, W. (2002). PHENOLOGICAL ASPECTS BETWEEN POPULATION ACTIVITY OF PECTINOPHORA GOSSYPIELLA (SAUNDERS) MALE MOTHS AND THE CORRESPONDING COTTON BLOOMS AND GREEN BOLLS INFESTATIONS. Egyptian Journal of Agricultural Research, 80(3), 1099-1106. doi: 10.21608/ejar.2002.311900
MOHAMED A. NASSEF; WATSON M. WATSON. "PHENOLOGICAL ASPECTS BETWEEN POPULATION ACTIVITY OF PECTINOPHORA GOSSYPIELLA (SAUNDERS) MALE MOTHS AND THE CORRESPONDING COTTON BLOOMS AND GREEN BOLLS INFESTATIONS". Egyptian Journal of Agricultural Research, 80, 3, 2002, 1099-1106. doi: 10.21608/ejar.2002.311900
NASSEF, M., WATSON, W. (2002). 'PHENOLOGICAL ASPECTS BETWEEN POPULATION ACTIVITY OF PECTINOPHORA GOSSYPIELLA (SAUNDERS) MALE MOTHS AND THE CORRESPONDING COTTON BLOOMS AND GREEN BOLLS INFESTATIONS', Egyptian Journal of Agricultural Research, 80(3), pp. 1099-1106. doi: 10.21608/ejar.2002.311900
NASSEF, M., WATSON, W. PHENOLOGICAL ASPECTS BETWEEN POPULATION ACTIVITY OF PECTINOPHORA GOSSYPIELLA (SAUNDERS) MALE MOTHS AND THE CORRESPONDING COTTON BLOOMS AND GREEN BOLLS INFESTATIONS. Egyptian Journal of Agricultural Research, 2002; 80(3): 1099-1106. doi: 10.21608/ejar.2002.311900

PHENOLOGICAL ASPECTS BETWEEN POPULATION ACTIVITY OF PECTINOPHORA GOSSYPIELLA (SAUNDERS) MALE MOTHS AND THE CORRESPONDING COTTON BLOOMS AND GREEN BOLLS INFESTATIONS

Article 11, Volume 80, Issue 3, September 2002, Page 1099-1106  XML PDF (2.15 MB)
Document Type: Original Article
DOI: 10.21608/ejar.2002.311900
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Authors
MOHAMED A. NASSEF; WATSON M. WATSON
Plant Protection Research Institute, Agricultural Research Centre, Dokki, Giza, Egypt.
Abstract
Phenological aspects were studied at Kafr El-Sheikh Governorate, Egypt, during 2000 and 2001 cotton growing seasons to estimate the relation between the early appearance of pink bollworm, Pectinophora gossypiella (Saund.), moths in sex pheromone traps caught 6 days prior to the first squaring and blooms and bolls larval infestations during early and late fruiting stages. Data show that the mean catches of male moths per trap per day were positively correlated with percentage larval infestations. Also, the larval population in blooms showed a positive cor­relation with that in bolls during early and late fruiting stages. The data were useful in identifying cotton fields and areas that had a probability of developing economic infestations during the season.
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