Comparative toxicity of new insecticides generations against tomato leafminer Tuta absoluta and their biochemical effects on tomato plants

Bulletin of the National Research Centre

Table 9 Effect of the tested insecticides on the marketable yield of tomato plants

Insecticides	Tomato yield ± SD (ton/fed.)	Increase of yield ± SD (%)	Insecticide cost (pound/fed.)	Total cost (pound/fed.)	Additional income over control ± SD (pound/fed.)	Net profit (pound/fed.) ± SD	ICBR
Challenger	26.4 ± 1.4^b	153.8 ± 13.6^c	4950	10511	23632 ± 2074^c	28481.8 ± 2074^b	1: 5.75
Coragen	29.9 ± 1.4^a	187.5 ± 13.6^ab	6720	12281	28801 ± 2094^ab	31881.3 ± 2094^ab	1: 4.75
Emperor	30.7 ± 1.1^a	195.2 ± 10.1^a	4900	10461	29983 ± 1556^a	34882.9 ± 1556^a	1: 7.12
Radiant	27.5 ± 1.3^b	164.4 ± 11.9^bc	5600	11161	25257 ± 1844^bc	29456.5 ± 1844^b	1: 5.26
Vapcomic	27.3 ± 1.6^b	162.5 ± 15.1^c	5320	10881	24961 ± 2321^c	29441.1 ± 2321^b	1: 5.53
Control	10.4 ± 1.2^c	–	–	5561	–	9799.0 ± 1858^c	–
LSD_0.05	2.38	23.59			3636.97	3505.72

L.S.D_0.05 least significant difference at 0.05 level of probability; N.S not significant difference at 0.05 level of probability; Means accompanied by the same letter in a column are not significantly different at 0.05 level of probability; ICBR incremental cost-benefit ratio