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THE POPULATION DYNAMIC OF JASMINE WHITE FLY Aleuroclava jasmini TAKAHASHI (Homoptera:Aleyrodidae) AND ITIS NATURAL ENEMIES ON GRAPE FRUIT TREES IN BAGHDAD | ||
| IRAQ JOURNAL OF AGRICULTURE | ||
| Article 1, Volume 14, Issue 3, 2009, Pages 0-0 | ||
| Authors | ||
| A. N. Al-Khalidy; R. F. Al-Jassani; A. N. Hassan; B. A. Zaid | ||
| Abstract | ||
| The study of population dynamics of Jasmine white fly Aleuroclava jasmini Takahashi was studied on Grape fruit trees during seasons2004-2005 in Abu-Graeb, Baghdad. The results was showed that population density of insect fluctuated during the months of study, due to the fluctuation temperature, relative humidity and period of growth of grap fruit. The highest population records in Spring season during April which reached 3286,1132,913 individual/80 cm² of leaves for egg, crawling instar and constant nymph instars respectively, while in Autumn season during September and October reached to 1032, 327 individual/80 cm² for eggs and crawling instar respectively. The study show that insect was passed Winter with eggs and constant nymphs and there are seven overlapping generations in the year on grap fruit trees in Iraq. The predators was recorded in the study includes aphid lion Chrysoperla carnae and Clitostethus arcuathus with low density during April, June, August, September and November. | ||
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