# The Forest Reproductive Material (Great Britain) Regulations 2002, Paragraph 10: Form or Growth Habit:

Extent: E+W+S

The appropriate authority shall be satisfied that trees in stands show particularly good morphological features, especially straightness and circularity of stem, favourable branching habit, small size of branches and good natural pruning. In addition, they shall be satisfied that the proportion of forked trees and those showing spiral grain is low.

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Source: https://www.legislation.gov.uk/uksi/2002/3026/schedule/3/paragraph/10 (the official version)
Page: https://openlegislation.uk/forest-reproductive-material-great-britain-regulations-2002/schedule-3/paragraph-10
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.