[2]Seedling (VE-V1) |
[3]Vegetative (V2-V6) |
[4]Reproductive (R stages) |

Links:
[1] http://www.ent.iastate.edu/soybeaninsects/node/152
[2] http://www.ent.iastate.edu/soybeaninsects/taxonomy/term/98
[3] http://www.ent.iastate.edu/soybeaninsects/taxonomy/term/99
[4] http://www.ent.iastate.edu/soybeaninsects/taxonomy/term/100