MAKKAR, A., MANSOUR, E., ABD-ALLAH, A. (2014). SIDE EFFECTS OF USING OF SOME FOLIAR FERTILIZERS ONBIOLOGY OF COTTON LEAF WORM, SPODOPTERA LITTORALIS (BOISD.) UNDER LABORATORY CONDITIONS. Egyptian Journal of Agricultural Research, 92(4), 1305-1320. doi: 10.21608/ejar.2014.156773
ABDEL-MASEH W. MAKKAR; ERUAN S. MANSOUR; AML A. ABD-ALLAH. "SIDE EFFECTS OF USING OF SOME FOLIAR FERTILIZERS ONBIOLOGY OF COTTON LEAF WORM, SPODOPTERA LITTORALIS (BOISD.) UNDER LABORATORY CONDITIONS". Egyptian Journal of Agricultural Research, 92, 4, 2014, 1305-1320. doi: 10.21608/ejar.2014.156773
MAKKAR, A., MANSOUR, E., ABD-ALLAH, A. (2014). 'SIDE EFFECTS OF USING OF SOME FOLIAR FERTILIZERS ONBIOLOGY OF COTTON LEAF WORM, SPODOPTERA LITTORALIS (BOISD.) UNDER LABORATORY CONDITIONS', Egyptian Journal of Agricultural Research, 92(4), pp. 1305-1320. doi: 10.21608/ejar.2014.156773
MAKKAR, A., MANSOUR, E., ABD-ALLAH, A. SIDE EFFECTS OF USING OF SOME FOLIAR FERTILIZERS ONBIOLOGY OF COTTON LEAF WORM, SPODOPTERA LITTORALIS (BOISD.) UNDER LABORATORY CONDITIONS. Egyptian Journal of Agricultural Research, 2014; 92(4): 1305-1320. doi: 10.21608/ejar.2014.156773
SIDE EFFECTS OF USING OF SOME FOLIAR FERTILIZERS ONBIOLOGY OF COTTON LEAF WORM, SPODOPTERA LITTORALIS (BOISD.) UNDER LABORATORY CONDITIONS
Plant Protection Research Institute, Agricultural Research Center, Dokki ,Giza, Egypt.
Abstract
An experiment was conducted at Qaha Research Station, Qalubia governorate, during 2013 cotton season, to study the effects of four foliar fertilizers on biological aspects of cotton leaf worm, Spodoptera littoralis (Boisd.), for three successive generations. (Canada magic, Canada sal, Canada foliar and Canada amino) were sprayed on cotton leaves in field and introduced to the newly hatched larvae. The obtained results revealed that the larval stages suffered greatest mortality followed by the pre-pupal stage, the pupal stage and lastly the moths for the four compounds. The highest mean percentage mortality of overall immature stages within the three generations (98.8, 98.2, 98.0 and 96.3%) was (Canada sal, Canada amino, Canada magic and Canada foliar), respectively. Analysis of variance between the mean larval duration and Percentage pupation for the remaining larvae and pupae of the three generations, showed significant differences between treatments and control (L.S.D =2.33 & 6.3), respectively. Moreover, all larvae fed on treated leaves gave the least percentage of adults, emergence and a few malformations, also, no eggs were laid by the resulting females in the three generations. Data demonstrated that the larval and pupal weights recorded insignificant differences between treated and untreated.
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