EXHIBIT 24
                                        
                           Consent of Ernst & Young,
                              Independent Auditors

 
                 CONSENT OF ERNST & YOUNG, INDEPENDENT AUDITORS

      We consent to the incorporation by reference in the Registration Statement
(Form S-8) pertaining to the Mycogen Corporation 1995 Employee Stock Purchase
Plan and of our report dated October 17, 1995, with respect to the consolidated
financial statements and schedules of Mycogen Corporation included and
incorporated by reference in its Annual Report (Form 10-K) for the year ended
August 31, 1995, filed with the Securities and Exchange Commission.



                                    /s/ Ernst & Young



                                    ERNST & YOUNG



San Diego, California
February 9, 1996