Betekenis van:
defoliation

defoliation
Zelfstandig naamwoord
  • ontbladering
  • causing the leaves of trees and other plants to fall off (as by the use of chemicals)

Hyperoniemen

defoliation
Zelfstandig naamwoord
    • the loss of foliage

    Hyperoniemen


    Voorbeeldzinnen

    1. Defoliation
    2. defoliation,
    3. Defoliation class
    4. Visual assessment of defoliation
    5. Degree of defoliation
    6. the trees are representative of the mean defoliation level of the plot (±5 % of the mean foliage loss),
    7. If, in addition, defoliation and discoloration classes are combined, the following combined damage classes shall be used:
    8. Defoliation shall be estimated annually in 5 % steps in relation to a tree with full foliage in local condition.
    9. A tree with a defoliation between 95 % and 100 %, which is still alive, is scored as 99.
    10. Defoliation figure for each sample tree expressed as a percentage (in steps of 5 %) compared with a tree with complete foliage.
    11. The classification of trees into degrees of defoliation shall be carried out during the observation and shall be registered in 5 % steps.
    12. Defoliation figure for each sample tree expressed as a percentage (in steps of 5 %) compared with a tree with complete foliage. The actual percentage is used.
    13. The extent of symptoms reflecting defoliation (e.g. leaf damage by defoliators) indicates the % of the leaf area which is lost due to the action of the agent/factor concerned.