The three synthetic insect growth regulators ( IGRS), hydorprene, S - 31183 and IKI- 7899 were tested against the last instar larvae of Corcyra cephlonica using three different doses for hydroprene and S - 31183 and two doses for IKI- 7899. The response of treated larvae was dose - dependent in the case of hydroprene and IKI 7899. The high doses affected more numbers of larvae expressed by inhibition of adult emergence. The effect of S31183 was not dose dependent. IKI 7899 was the most effective compared with hydroprene and S- 31183. Typical symptoms of toxicity of the three compounds could be indicated as follows: 1 - Inhibition of adult emergence. 2 - Production of adultoids with apparent morphogenetic changes such as deformed, short or reduced antennae, wrinkled wings and short and subsized body. 3 - Non viable intermediate forms ( larval - pupal and pupal - adult intermediates). 4- Ecdysal faliure of larvae.
EL-SAYED, F. M. A., GUNEIDY, A. M., & BEKHE1T, S. (1993). RESPONSE OF CORCYRA CEPHALONICA STAINTON (LEPIDOPTERA GALLERIIDAE) TO THREE SYNTHETIC INSECT GROWTH REGULARORS. Egyptian Journal of Agricultural Research, 71(1), 139-148. doi: 10.21608/ejar.1993.455557
MLA
FERIAL M. A. EL-SAYED; AWNY M. GUNEIDY; SAMIRA BEKHE1T. "RESPONSE OF CORCYRA CEPHALONICA STAINTON (LEPIDOPTERA GALLERIIDAE) TO THREE SYNTHETIC INSECT GROWTH REGULARORS", Egyptian Journal of Agricultural Research, 71, 1, 1993, 139-148. doi: 10.21608/ejar.1993.455557
HARVARD
EL-SAYED, F. M. A., GUNEIDY, A. M., BEKHE1T, S. (1993). 'RESPONSE OF CORCYRA CEPHALONICA STAINTON (LEPIDOPTERA GALLERIIDAE) TO THREE SYNTHETIC INSECT GROWTH REGULARORS', Egyptian Journal of Agricultural Research, 71(1), pp. 139-148. doi: 10.21608/ejar.1993.455557
VANCOUVER
EL-SAYED, F. M. A., GUNEIDY, A. M., BEKHE1T, S. RESPONSE OF CORCYRA CEPHALONICA STAINTON (LEPIDOPTERA GALLERIIDAE) TO THREE SYNTHETIC INSECT GROWTH REGULARORS. Egyptian Journal of Agricultural Research, 1993; 71(1): 139-148. doi: 10.21608/ejar.1993.455557
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