Any authorized agent or employee of the county horticultural pest and disease board may enter upon any property for the purpose of administering this chapter and any power exercisable pursuant thereto, including the taking of specimens, general inspection, and the performance of such acts as are necessary for controlling and preventing the spreading of horticultural pests and diseases. Such entry may be without the consent of the owner, and no action for trespass or damages shall lie so long as such entry and any activities connected therewith are undertaken and prosecuted with reasonable care.

Should any such employee or authorized agent of the county horticultural pest and disease board be denied access to such property where such access was sought to carry out the purpose and provisions of this chapter, the said board may apply to any court of competent jurisdiction for a search warrant authorizing access to such property for said purpose. The court may upon such application issue the search warrant for the purpose requested.