# Commission Regulation (EC) No 1737/2006 of 7 November 2006 laying down detailed rules for the implementation of Regulation (EC) No 2152/2003 of the European Parliament and of the Council concerning monitoring of forests and environmental interactions in the Community, Division (79): Frost damage of needles, leaves or flowers

Extent: E+W+S+N.I.

Damage of needles, leaves or flowers caused by late frost in spring should be recorded using the following classification:
0 0 %
1 >0 – 33 %
2 >33 – 66 %
3 >66 - <100 %
4 100
If significant signs of leaf or crown damage (event code 6) or other damage (event code 7) are observed, then an additional assessment should be made according to the submanual on crown condition and its guidelines for the assessment of the causes of damage.

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Source: https://www.legislation.gov.uk/eur/2006/1737/annex/I/chapter/15/division/12/division/79 (the official version)
Page: https://openlegislation.uk/eu-regulation-2006-1737/annex-I/chapter-15/division-12/division-79
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.