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Michigan Administrative Code (Last Updated: November 16, 2016) |
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Department AC. Agriculture and Rural Development |
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Pesticide and Plant Pesticide Management Division |
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Chapter Regulation No. 619. Fruit Tree Scionwood, Understock, And Nursery Stock |
Section 285.619.11. Understock parent tree certification.
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(1) An understock seed source parent tree is considered registered when determined to be free of seed transmissible viruses by procedures established in R
285.619.1. Continuance of registration depends upon the registrant remaining virus- free as determined by procedures established in R 285.619.4.
(2) A clonal understock parent tree or stool bed is eligible for registration when it is the direct, own-rooted progeny of a registrant or when it is determined to be virus- free by the procedures established in R 285.619.1 and trueness-to-name has been established to the satisfaction of the department. A continuous row of a clone on it own roots established for layering or for cuttings is considered a stool bed and a unit for registration purposes. Continuance of registration depends upon the registrant remaining virus-free as determined by procedures established in R 285.619.4.
History: 1979 AC.