DEPARTMENT OF AGRICULTURE

PESTICIDE AND PLANT PESTICIDE MANAGEMENT DIVISION

REGULATION NO. 606. BLUEBERRY REGULATION

(By authority conferred on the commission of agriculture by section 23 of Act No.

189 of the Public Acts of 1931, as amended, being S286.223 of the Michigan

Compiled Laws)

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

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

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.

History: 1954 AC; 1979 AC; 1984 AACS.

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