A nursery and phytosanitary account is established in the state treasury. The fees and penalties collected under this chapter and interest attributable to money in the account must be deposited in the state treasury and credited to the nursery and phytosanitary account in the agricultural fund. Money in the account, including interest earned, is annually appropriated to the commissioner for the administration and enforcement for this chapter. The commissioner may spend no more than $20,000 from the account each fiscal year for purposes of section 18H.14, paragraph (e).