Number of seeds per plant
The seed number and full seed number per plant for wild, GM and hybrid soybeans are shown in Table 3. The seed number and full seed number of wild soybean and the hybrids were significantly higher than those of GM soybean. F1 hybrids produced 491 seeds and 426 full seeds, which were significantly different from wild soybean, while F2 and F3 hybrids had a similar number of seeds as wild soybean. The details of seed number and full seed number per plant are shown in Table 3.