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BIOLOGICAL PEST
CONTROL IN THE MIDDLE EAST (Contacts) Biological
control was practiced early in the Middle East, flourishing especially in
Israel and Egypt about the same time that it did in California. The subtropical
climates in Israel favored the production of a diverse agriculture as it did
in California, with the accompanying diversity of pests. Also, because of the
mild climate biological control was readily successful. Similarities in
climate with California, Florida and Texas naturally favored collaboration
among scientists in the Middle East with those areas of the United States.
Natural enemies were, and continue to be, frequently exchanged. Israel
starting at the beginning of the 20th Century (or Palestine as it was then
called) provided considerable theoretical expertise on population dynamics
related to biological control. In recent times, scientists in the Middle East
have also developed liaison with those in southern Africa and Australia where
similar climates and crops prevail. However, the University of California
provided the basic training for most Middle East biological control
researchers after the 1950's when courses in this discipline were first
formally organized. There has been a
successful establishment of Goniozus legneri Gordh on carob moth, Ectomyelois
ceratoniae attacking almonds in Israel.
The research was performed by Dr. Shmuel Gothilf who obtained the
parasitoids from Dr. E. F. Legner in California. A detailed scientific account was submitted for publication but
was never published with the unexpected demise of Dr. Gothilf. In his manuscript, Dr. Gothilf recorded
the establishment and spread over all of Israel of G. legneri, and it was expected
that population densities of the carob moth along with the peach twig borer
would be gradually reduced, perhaps to non-economic levels. .It would be
interesting to survey neighboring countries, Syria, Jordan, Lebanon and
Egypt, for the existence of G. legneri. [Please refer to California Research to view details of the
parasitoid] REFERENCES: <bc-63.ref.htm> & <pooled.htm> [ Additional
references may be found at MELVYL Library ] Please refer also to El-Heneidy. |