Relationship between the numbers of adult male catches on phermone traps and percentage of boll infestation for cotton bollworms in middle Egypt [electronic resource].
العلاقة بين تعداد فراشات الذكور فى المصائد الفرمونية ونسبة الاصابة فى اللوز بيرقات ديدان اللوز فى مصر الوسطى.
- p.525-543.
Includes references.
Under field conditions of Beni- Suef Governorate , field studies were carried out at the farm of Sids Agriculture Research Station during 2006, 2007 and 2008 cotton seasons to study the monitoring the first appearance and populations of adult males of both pink bollworm, Pectinophora gossypiella (Saunders) and spiny bollworm, Earais insulana (Boisd.) by using Delta pheromone baited traps. The average number of male moths of P. gossypiella per trap / week during the period from April till September during the 2006, 2007 and 2008 cotton seasons, In the first season 2006, had five peaks of abundance in 5th May, 15th June, 14th July, 4th August and 8th September. In the second season 2007, also five peaks were observed. These peaks were occurred on 10th April, 24th April, 12th June, 24th July and 21st August. While in the third season 2008, four peaks were observed on 1st May, 29th May, 31st July and 4th September.
Summary in Arabic.
Cotton--Diseases and pests. Heliothis zea. Pink bollworm. Pheromone traps.