. 2011 May 24;4(5):672–684. doi: 10.1111/j.1752-4571.2011.00190.x

Table 3.

Effects of the two transgenic events on fitness-related traits in F₃ progeny of crop–weed hybridization compared with the weedy parent (Wa) under low versus natural insect pressure in pure cultivation

	Pure cultivation

Characteristics	cowpea trypsin inhibitor (CpTI) (+)	CpTI (−)	Bt/CpTI (+)	Bt/CpTI (−)	Wa
Low insect
Plant height (cm)	109.5 ± 1.1^a	105.2 ± 4.4^ab	106.0 ± 2.7^a	111.8 ± 2.4^a	97.0 ± 2.3^b
No. of tillers	16.5 ± 0.5^a	17.6 ± 1.1^a	17.2 ± 0.7^a	20.9 ± 1.9^ab	24.0 ± 2.1^b
No. of panicles	14.0 ± 0.3^a	14.9 ± 0.7^a	15.7 ± 0.6^a	18.6 ± 1.3^b	20.7 ± 1.3^b
No. of seeds	987.9 ± 57.3^a	1032.3 ± 43.4^a	1032.5 ± 76.4^a	1064.5 ± 24.3^a	1065.6 ± 82^a
Seed set	60.5 ± 3.0^a	62.5 ± 1.4^a	61.9 ± 2.1^a	58.3 ± 2.3^a	78.3 ± 1.0^b
1000-seed weight (g)	23.4 ± 0.2^a	23.4 ± 0.5^a	22.7 ± 0.2^ab	22.1 ± 0.5^b	20.6 ± 0.3^c
Natural insect
Plant height (cm)	106.7 ± 1.2^a	106.8 ± 1.5^a	110.3 ± 2.4^a	106.5 ± 2.1^a	98.7 ± 2.6^b
No. of tillers	18.8 ± 0.6^a	20.9 ± 1.3^ab	20.3 ± 0.4^ab	18.7 ± 1.1^a	22.2 ± 1.0^b
No. of panicles	14.8 ± 0.5^a	14.9 ± 0.9^a	18.9 ± 0.5^b	15.7 ± 0.4^a	18.5 ± 0.8^b
No. of seeds	768.0 ± 58.3^a	705.5 ± 38.4^a	1161.6 ± 85.6^b	789.1 ± 27.4^a	807.6 ± 55.7^a
Seed set	51.5 ± 1.9^a	50.8 ± 3.1^a	59.3 ± 2.1^b	53.6 ± 1.0^ab	59.1 ± 0.4^b
1000-seed weight (g)	22.3 ± 0.4^a	22.0 ± 0.4^a	22.3 ± 0.2^a	22.0 ± 0.4^a	19.5 ± 0.2^b

Different letters after the means and standard error (±) in the same row indicate significant differences according to Duncan's multiple range tests followed by Bonferroni correction in the same treatment. N = 4 plots.