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Autumn wood is distinguishable from spring wood in having
(A) Narrow tracheary elements
(B) Broader tracheary elements
(C) Lighter colour
(D) Cambium

Last updated date: 26th Feb 2024
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IVSAT 2024
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Hint:The spring wood is also called early wood. They are examples of dicot trees which grow in the temperate areas and during suitable conditions a huge quantity of secondary xylem is developed.These trees comprise of larger, thin-walled and broader tracheary constituents.

 Complete Answer:
The major differentiation between autumn wood and spring wood is illustrated below.

Autumn woodSpring wood
They are also called latewood.They are also called as earlywood.
The cambial activity slows down during the winter season.The cambial activity turns out to be more active during the spring season.
Forms narrower xylem constituents.Forms xylem vessels with broader cavities.
Develops under unfavorable conditions.Develops under favorable conditions.
It is observed at the ending of the annual ring.It is observed at the initial part of the annual ring.
The color of wood is darker.The color of wood is lighter.
It exhibits abundant fibers.It exhibits few numbers of fibers.
Entails a narrower strip in an annual ring.Entails as the main segment of an annual ring.
Density is low.Density is high.

The autumn wood is also called as late wood and under unfavorable conditions, a lower quantity of secondary xylem is developed in these trees. These trees comprise smaller, thick-walled and narrower tracheary constituents.

Note:The wood density of spring wood is lower as compared to that of the autumn wood. Wooden blocks of autumn wood could be altered into wood slabs, used in processors. Autumn wood could also be a significantly used source of fuel, although its burning is slow.