Cabbage edema, which could be caused by thrips or by moisture conditions.




                                                                                     Cabbage leaf lesions caused by the black rot bacterium




                                                                   Cabbage with black rot



                                                  Cabbage with bacterial soft rot




                                                                                         Cabbage with club root (Penn State file photo)




                                 Cabbage with herbicide damage



                       Cabbage maggot, adult and larve (Penn State file photo)




                                                                        Cabbage maggot on cabbage roots (Penn State file photo)




                                                                                                                                Imported cabbageworm, adult (Penn State file photo)



                              Imported cabbageworm parasite that is naturally occurring




                                                                              Imported cabbageworm larva (Penn State file photo)