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SHAALAN, H., KANDEL, M. (2010). EFFECT OF RADIANT INSECTICIDE ON THE BIOLOGY AND EGG'S HATCHABILITY OF CHRYSOPERLA CARNEA (STEPHENS) (NEUROPTERA: CHRYSOPIDAE). Egyptian Journal of Agricultural Research, 88(3), 701-710. doi: 10.21608/ejar.2010.188483
HESHAM S. SHAALAN; MERVAT A.A. KANDEL. "EFFECT OF RADIANT INSECTICIDE ON THE BIOLOGY AND EGG'S HATCHABILITY OF CHRYSOPERLA CARNEA (STEPHENS) (NEUROPTERA: CHRYSOPIDAE)". Egyptian Journal of Agricultural Research, 88, 3, 2010, 701-710. doi: 10.21608/ejar.2010.188483
SHAALAN, H., KANDEL, M. (2010). 'EFFECT OF RADIANT INSECTICIDE ON THE BIOLOGY AND EGG'S HATCHABILITY OF CHRYSOPERLA CARNEA (STEPHENS) (NEUROPTERA: CHRYSOPIDAE)', Egyptian Journal of Agricultural Research, 88(3), pp. 701-710. doi: 10.21608/ejar.2010.188483
SHAALAN, H., KANDEL, M. EFFECT OF RADIANT INSECTICIDE ON THE BIOLOGY AND EGG'S HATCHABILITY OF CHRYSOPERLA CARNEA (STEPHENS) (NEUROPTERA: CHRYSOPIDAE). Egyptian Journal of Agricultural Research, 2010; 88(3): 701-710. doi: 10.21608/ejar.2010.188483

EFFECT OF RADIANT INSECTICIDE ON THE BIOLOGY AND EGG'S HATCHABILITY OF CHRYSOPERLA CARNEA (STEPHENS) (NEUROPTERA: CHRYSOPIDAE)

Article 4, Volume 88, Issue 3, September 2010, Page 701-710  XML PDF (3.66 MB)
Document Type: Original Article
DOI: 10.21608/ejar.2010.188483
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Authors
HESHAM S. SHAALAN; MERVAT A.A. KANDEL
Plant Protection Research Institute, Agricultural Research Center, Dokki, Giza, Egypt.
Abstract
Effect of Radiant (insecticide) on developmental stages and reproduction of Cluysopeda oarnea (Stephens) resulted from treated eggs were estimated. The LC)5, Lasa and LCw values for radiant-treated 1-2 days old eggs were 0.625, 1.875 and 27.323 ppm, respectively. The results indicated that the percentage of hatchability, larvae famed cocoons and adult emergence were differently and high affected by different concentrations, when reared on two preys, Pectinophora gossypWla (Saund.) eggs and Aphis cracdvora nymphs. The obtained results showed a prolongation In (larval+coccon) paled resulted from eggs treated with LCw and reared on A gossyplega or A. cracdvora compared to control, this period was estimated by 19.5 and 17.8 days, respectively, compared to 16.9 and 15.9 days for the controls. The larval feeding opacity of C carnea highly differed significantly between larvae resulted from treated egg and fed on P. gossyplerb eggs or A. aaccivora nymphs compared to control. The results indicated also high shortening In longevity of females and mates and high reduction in total eggs laid and percentage of hatchability.
Keywords
Radiant 12%; predator C carnea; preys P. gossypidla and Aphis craccivora
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