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Question

Differentiate between spring wood and autumn wood

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Solution

in short

Spring Wood

Autumn Wood

  1. Formed during spring.

  1. Formed during autumn.

  1. Number of xylary elements is more.

  1. Number of xylary elements is less.

  1. It is formed when the cambium is active.

  1. It is formed when the cambium is less active.

  1. The wood is lighter in colour with low density.

  1. The wood is darker with higher density.



more points

Difference # Spring Wood:

1. It is produced during the favourable period of the year.

2. Spring wood constitutes the major part of the annual ring.

3. It occurs in the beginning of an annual ring.

4. It contains larger and wider elements.

5. Fibres are fewer.

6. The wood is lighter in colour.

7. The tracheary elements are comparatively less thickened.

8. It has lower density.

Difference # Autumn Wood:

1. It is formed towards the close of the active growing period of the year just before the arrival of un-favourable period.

2. Autumn wood forms a narrow strip in the annual ring.

3. Autumn wood occurs at the end of an annual ring.

4. Autumn wood is formed of smaller and narrower elements.

5. Fibres are abundant.

6. The wood is darker.

7. The tracheary elements are comparatively more thickened.

8. It has higher density.


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