POPULATION DENSITY STUDY OF GRAPE LEAF HOPPPER A. HUSSAINI GHAURI (HOMOPTERA : CICADELLIDAE) AND ITS PREFERENCE TO FEED ON GRAPE VARITIES IN BABYLON | ||
| AL-TAQANI | ||
| Article 1, Volume 25, Issue 4, December 2012, Pages 0-0 | ||
| Abstract | ||
| Laboratories and fields studies were carried out in Technical collage Al- Mussiab and gardens and fields in Al-Mussiab and Babil regons to study population density of insect grape leafhoppper A. hussaini Ghauri (Homoptera : Cicadellidae) in different parts of`Babylon province during agricultural seasons 2008 /2009 and insect preference to feed on grape varities, result showed :- The preference of grape leaves hopper insect to feed on grape varieties Vitis vinifera L. ( Des Al-Anz , Kamali , Halawany and a France black ) found that the varity Des Al-Anz was the most variety injury by the insect , the number of adults grape leafhopper adults that have been settled reached 45.33 adult /paper , while France black the least sensitive,the number of adults that have been settled reached12.67 adult /paper . Population density study about of insect start within 2008 at Agust in different parts of Babylon province , showed that the higest rate for the presence of nymphs and a dults insect grape leafhopper on grapevines was during the mont May and June where it reached (7.80 , 6.86 adult /paper) and ( 6.33 , 5,13 nymphs / paper) respectivily . The lowest rate of its presence in January to reach 0.00 adult and nymphs / paper in Babylon province . | ||
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