CBSE Class 10 Answered
when the trunk of a tree is ringed, the roots die first. why?
Asked by | 24 Mar, 2008, 08:33: PM
Expert Answer
The reason for damage due to girdling is that the phloem layer of tissue just below the bark is responsible for carrying food produced in the leaves by photosynthesis to the roots. Without this food, the roots ultimately die and cease sending water and minerals to the leaves.
Answered by | 27 Mar, 2008, 07:39: PM
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