Table 2. Effect of temperature and substrate on germination rate (GR), mean germination time (GT), and coefficient of velocity of germination (GV) in species.

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Table 2. Effect of temperature and substrate on germination rate (GR), mean germination time (GT), and coefficient of velocity of germination (GV) in species of the genus Cleome. Averages of each parameter evaluated for each species followed by the same letter do not differ by Tukey test (5%). - no germination Parameters Substratum C. dendroides C. rosea C. spinosa Temperature (ºC) 20 25 20-30 15-25 GR (%) Paper 96.7a 60.0b 33.3bc 66.6b 26.6c 0b 100a Sand 93.3a 40.0bc 46.6bc 53.3b Vermiculite 80.0a 73.3a 6.6b 90.0a GT (days) 9.8b 7.3c 7.4c 13.1b 16.4b 15.7b 23.8a - 2.9c 3.1c 9.3b 6.8c 18.2b 17.2b 27.6a 20.2a 2.5c 2.2c 12.9b 10.2b 15.2a 14.7b 13.6b 22.9a 28.8a 11.5a 5.7b 4.0b GV (days) 0.10b 0.14a 0.13a 0.08a 0.06a 0.04b 0.35a 0.32a 0.11b 0.15a 0.05b 0.40a 0.45a 0.08b 0.06c 0.07a 0.10c 0.18b 0.25b