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
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