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- Title
THE HOST PLANT PREFERENCE OF THE LEAF MINER LIRIOMYZA SPP. (DIPTERA: AGROMYZIDAE) ON EGGPLANT (SOLANUM MELONGENA L.) AND SQUASH (CUCURBITA PEPO L.) CROPS AND ITS RELATION WITH THE SECONDARY COMPOUNDS IN PLANT.
- Authors
Mahmoud, Zeinah T.; Sadek, Feryal H.
- Abstract
A field study was carried out on eggplant (Solanum melongena L.) and Squash (Cucurbita pepo L.) crops under the conditions of the plastic house in the Plant Protection Department / College of Agricultural Engineering Sciences / University of Baghdad, to determine which is the most preference from the leaf miner Liriomyza spp. As well as its relation with the secondary compounds existing in the plant that's well-known for its importance in the defense system of the plant. The results showed a significant difference in the leaf miner Liriomyza spp. preference to infection over eggplant (S. melongena L.) and Squash (C. pepo L.), Squash was the most preference from the insect and the general average of insect population density on Squash throughout the growing season was 39.2 individual / 10 leaves compared with eggplant which was 7.83 individual / 10 leaves. The study results also showed a variation in the leaves content of eggplant and Squash of secondary compounds (Phenols, Flavonoids, Tannins and Alkaloids) and their different concentrations when the infestation with the insect, as it is increase when it increases and decrease when it decreases with as a defensive means. Finally, the study findings showed the presence of Tannins was in very small quantities below the level of sensitivity over the Squash leaves, which is not preferred by insects and it is one of the compounds that known as their toxic effect to insects, while eggplant resistance to the insect was attributed to its high content of Phenols, Tannins, total Alkaloids and Flavonoids compared to Squash.
- Subjects
AGROMYZIDAE; HOST plants; EGGPLANT; SQUASHES; INSECT population density
- Publication
Plant Archives (09725210), 2020, Vol 20, Issue 1, p1034
- ISSN
0972-5210
- Publication type
Article