InterviewSolution
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InterviewSolution
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Which will decay faster if exposed freelyA. SapwoodB. SoffwoodC. Wood with lot of fibresD. Heartwood |
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Answer» Correct Answer - a In old trees , secondary xylem or wood gets differentiation into outer light coloured functional sapwood or alburnum and inner dark coloures non- functional heartwood or duramen . Heartwood is stronger and highly durable because of presence of oils , resins , gums , tannins and tyloses which are plugged into the tracheids and vessel elements . As the secondary growth takes place size of heart wood increases because of concersion of inner alburnum (sapwood) into it. |
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