Mich. Admin. Code R. 285.606.1 - Blueberry nursery stock

Rule 1.

(1) Blueberry nursery stock offered for sale, sold, shipped, or otherwise transported into or within this state shall be propagated from scionwood obtained from plants inspected and certified to be apparently free from plant virus diseases, virus like plant diseases, and other contagious plant diseases. Such nursery stock and scionwood source plants shall be isolated more than 500 feet from plants which do not meet the disease tolerance provided for in subrule (2) of this rule.

(2) Fields of blueberry nursery stock and scionwood source plants to be certified shall be inspected at least once during each growing season and shall not contain more than a total of 0.3% of plants with a virus disease or plants with a virus-like disease, and 0.3% plants otherwise infected with Fusicoccum sp., Phomopsis sp., or systemic plant diseases.

(3) When making inspections of blueberry nursery stock or scionwood source fields, plant industry division inspectors shall place a conspicuous distinguishing mark on each plant infected with a virus disease, a virus-like disease, or other systemic disease. Plants so marked shall be destroyed or killed by the grower within 10 days.

(4) Blueberry plants, scionwood, or cuttings shipped or transported into or within the state of Michigan shall be accompanied by a valid certificate of inspection setting forth the fact that plants, scionwood, or cuttings have been inspected and certified in accordance with the provisions of this rule.

Notes

Mich. Admin. Code R. 285.606.1

1954 AC; 1979 AC; 1984 AACS