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determination of equalibrium point between hemiberlesia lataniae and
its associated parasitoids under field conditions on guava trees
Abd El- Monem Shawky Hassan(1), Kameel Abd Ellateif
Hammad , Ali Abd El- Hamed Shahein (2), and Hassan
Ahmed Nabil (1)
(1) Plant Protection Research
Institute, Dokki, Egypt
E-mail: scalonabil@hotmail.com
(2)
Plant Protection Department, Faculty of Agriculture, Zagazig University, Sharkia
Governorate, Egypt.
Abstract
Studies were carried out on guava trees at Kafr Saker district, Sharkia
Governorate, Egypt during three successive years 1999, 2000 and 2001 to
determined the equilibrium point between H. lataniae and its associated
parasitoids, under field conditions. Mathematic studies determined the point at
which the increase of parasitoids number through their peaks leads to a decrease
in number of the insect pest. Mean values of this equilibrium during the three
years of studying was 0.65 parasitoid/insect
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The Arab Scientists in Cooperation with The High Institute of Marine Research. Publish all the researches abstracts, which presented in The Regional Workshop on Marine Sciences and Natural Resources, Tishreen University, Lattakia, Syria, 25-26 May 2004.
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15 – 17, 2004.
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Current Status of Plant Protection in Yemen and Future Strategy.
Faculty of Agriculture, Sana'a University, Sana'a, yemen. December 18-20/2004
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Middle-East Academy for Medicine of Ageing
First Annual Middle-East Age & Aging Meeting
8-11 April, 2004
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Publish all the researches abstracts, which presented in the Eighth Arab Congress of
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City, Libya, October 12-16,2003
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