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
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.
History: 1954 AC; 1979 AC; 1984 AACS.
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