906 CERTIFICATION

                                                                    EXHIBIT 32.1

          CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED
            PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

      In connection with the Quarterly Report on Form 10-QSB of Applied DNA
Sciences, Inc. (the "Company") for the quarter ended March 31, 2004, as filed
with the Securities and Exchange Commission on the date hereof (the "Report"),
Rob Hutchison, Chief Executive Officer of the Company, certify, pursuant to 18
U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley
Act of 2002, that:

     (1) The Report fully complies with the requirements of Section 13(a) or
15(d) of the Securities Exchange Act of 1934; and

     (2) The information contained in the Report fairly presents, in all
material respects, the financial condition and results of operations of the
Company.



/s/ Rob Hutchison
  ---------------
   Rob Hutchison
 Chief Executive Officer



Date:  May 18, 2004