Exhibit 23 CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM We consent to the incorporation by reference in the Registration Statement of Delta and Pine Land Company on Form S-8 (333-132985) filed April 4, 2006, of our report dated June 9, 2006 appearing in this Annual Report on Form 11-K of Delta and Pine Land Company Savings Plan for the year ended December 31, 2005. Horne LLP Jackson, Mississippi June 28, 2006