Table 1. Effect of crowding on vegetative growth in Antirrhinum majus. Numbers on the first column correspond to 1 plant per pot 10 plants per pot and the difference.

	Internode 1	Internode 2	Internode 3	Total height	Number of flowers	Double decussate leaves	Spiral leaves	Total leaves	Leaf area (cm2)
1	1.54 ± 0.2	2.35 ± 0.38	2.99 ± 0.38	479. ± 5	16.97 ± 3.3	7.20 ± 1.27	5.63 ± 3.66	12.83 ± 2.56	145.70 ± 25
10	1.35 ± 0.2	2.0 ± 0.2	2.72 ± 0.57	295 ± 5	8.13 ± 4.71	6.96 ± 1.49	8.30 ± 3.44	15.26 ± 2.42	105.18 ± 28
1 vs 10	−12.18**	−14.62***	−8.89***	−38.33***	−52.08***	−3.38	47.41*	18.92**	−27.81***

Values represent average ± standard deviation. Differences expressed as treament versus control 100%. We performed student T-tests. P values correspond to *P < 0.05. **P < 0.01. ***P < 0.001. Measurements correspond to 30 individuals per treatment.