OCCURRENCE, DENSITY AND INJURY OF CERTAIN INSECTS INFESTING BRUSSELS SPROUTS AND ONION CROPS IN THE DESERT LANDS AT EL- NOUBARREIA, BEHERA GOVERNORATE

Document Type : Research articles

Authors

• H. A. Salem
• Sh. E. Abd El–Aziz

Department of Pests & Plant Protection, National Research Center, Dokki, Giza, Egypt.

Keywords

• Bemisia tabaci
• Brevicoryne brassicae
• Brussels sprouts
• Diaeretiella rapae
• final injury
• onion
• peak of activity
• Plutella xylostella
• Thrips tabaci