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SUB-LETHAL EFFECT OF Melia azedarch L. FRUITS EXTRACT ON GONADS OF BEET ARMYWORM, Spodoptera exigua (NOCTUIDAE:LEPIDOPTERA) | ||
| Journal of University of Anbar for Pure Science | ||
| Article 9, Volume 3, Issue 2, 2009, Pages 31-38 PDF (504.62 K) | ||
| Document Type: Research Paper | ||
| DOI: 10.37652/juaps.2009.15439 | ||
| Authors | ||
| ABDULLATIF TH.KHAZRAJI1; ATALLAH F. MEKHLIF* 2 | ||
| 1Mosul University - College of sciences | ||
| 2Mosul University - College of Education, | ||
| Abstract | ||
| The enrich methanolic extract of unripe fruit of Melia azedarch L. which was given with the food of larvae beet armyworm, Spodoptera exigua Hunber.Concentrations of the extract which were ranged between 0.25 to 10.0 ppm were used to investigate the effect of M. azedarach extract on the gonads of adults derived from treated larvae. Histological bases of the extract application were investigated inovaries and testes sections. Low concentrations induced reduction of one ovary, or parts of the ovariole , or parts of the ovary were histolysed and disappeared. Application of male larvae with 0.25 ppm of the extract caused separation of scrotum from fat bodies. Gradual histological variation synchronized with the increasing extract concentration was as follows; reduction of epithelial layer of testicular follicles and scattering of spermatogonia. High concentrations led to histolyse parts of the scrotum, follicle envelop and fat bodies content | ||
| Keywords | ||
| Spodoptera exigua; Melia azedarch L | ||
| References | ||
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