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Taha, M., Abd-El wahab, H., Mahmoud, H., Abasse, A., Moustafa, I. (2014). TEMPERATURE EFFECT ON DEVELOPMENTAL, RATE LONGEVITY AND PARASITISM OF Diaeretiella rapae (M'INTOSH) (HYMENOPTERA- APHELINIDAE). Journal of Plant Protection and Pathology, 5(2), 273-278. doi: 10.21608/jppp.2014.87909
M. Taha; H Abd-El wahab; Hanaa I. Mahmoud; A Abasse; Inas M. Y. Moustafa. "TEMPERATURE EFFECT ON DEVELOPMENTAL, RATE LONGEVITY AND PARASITISM OF Diaeretiella rapae (M'INTOSH) (HYMENOPTERA- APHELINIDAE)". Journal of Plant Protection and Pathology, 5, 2, 2014, 273-278. doi: 10.21608/jppp.2014.87909
Taha, M., Abd-El wahab, H., Mahmoud, H., Abasse, A., Moustafa, I. (2014). 'TEMPERATURE EFFECT ON DEVELOPMENTAL, RATE LONGEVITY AND PARASITISM OF Diaeretiella rapae (M'INTOSH) (HYMENOPTERA- APHELINIDAE)', Journal of Plant Protection and Pathology, 5(2), pp. 273-278. doi: 10.21608/jppp.2014.87909
Taha, M., Abd-El wahab, H., Mahmoud, H., Abasse, A., Moustafa, I. TEMPERATURE EFFECT ON DEVELOPMENTAL, RATE LONGEVITY AND PARASITISM OF Diaeretiella rapae (M'INTOSH) (HYMENOPTERA- APHELINIDAE). Journal of Plant Protection and Pathology, 2014; 5(2): 273-278. doi: 10.21608/jppp.2014.87909

TEMPERATURE EFFECT ON DEVELOPMENTAL, RATE LONGEVITY AND PARASITISM OF Diaeretiella rapae (M'INTOSH) (HYMENOPTERA- APHELINIDAE)

Article 7, Volume 5, Issue 2, February 2014, Page 273-278  XML PDF (397.77 K)
Document Type: Original Article
DOI: 10.21608/jppp.2014.87909
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Authors
M. Taha1; H Abd-El wahab2; Hanaa I. Mahmoud3; A Abasse3; Inas M. Y. Moustafa4
1Zool..Dept. Fac. . Sci(Girls).,Al- Azhar Univ.,Nasrcity Egypt.
2Plant Protection Research Institute Dokki- Giza, Egypt
3* Zool..Dept. Fac. . Sci(Girls).,Al- Azhar Univ.,Nasrcity Egypt.
4**Plant Protection Research Institute Dokki- Giza, Egypt
Abstract
Temperature- dependent, biological aspects longevity and parasitism of the parasitoid Diaeretiella rapae (M'Intosh) was measured at three constant temperatures (15, 25 and 30 oC) using Brevicoryne  brassicae (L.) .  The threshold (t0) and thermal units (DD's) of different stages of D. rapae at different temperatures, 15, 25 and 30 oC., were studied. The rate of development of all stages increased as the temperature increase from 15 to 30 oC. The mean of thermal units recorded 117.9, 88.84 and 222.45 DDs for egg-mummy period, mummy- adult period   and adult longevity respectively. Also, the threshold development estimated as 2.4, 1.6 and 3.4 oC for egg- mummy period, mummy- adult period and adult longevity respectively.
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