<DOCUMENT>
<TYPE>EX-32.1
<SEQUENCE>4
<FILENAME>e65763_ex32-1.txt
<DESCRIPTION>SECTION 1350 CERTIFICATION - CEO
<TEXT>


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 amended Quarterly  Report of Applied DNA  Sciences,  Inc.
(the "Company") on Amendment No. 2 to Form 10-QSB/A for the period  ending March
31, 2005  as  filed  with  the  Securities  and Exchange Commission  on the date
hereof (the "Report"), I, James  A.  Hayward,  Chief  Executive   Officer of the
Company, certify, pursuant to 18 U.S.C.  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 and Exchange Act of  1934; and

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

A signed original of this  written  statement  required by  Section 906 has been
provided to Applied  DNA  Sciences,  Inc.  and will be  retained  by Applied DNA
Sciences, Inc. and furnished to the Securities  and Exchange   Commission or its
staff upon request.

Date:  October 10, 2006                   By: /s/JAMES A HAYWARD
                                             -------------------
                                          James A. Hayward
                                          Chief Executive Officer


</TEXT>
</DOCUMENT>
