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how does secondary groth takes place in dicot stem?

how does secondary groth takes place in dicot stem?

Grade:11

1 Answers

Arun
25763 Points
2 years ago

Primary growth produces growth in length and development of lateral appendages. Secondary growth is the formation of secondary tissues from lateral meristems. It increases the diameter of the stem. In woody plants, secondary tissues constitute the bulk of the plant. They take part in providing protection, support and conduction of water and nutrients. 

Secondary tissues are formed by two types of lateral meristems, vascular cambium and cork cambium or phellogen. Vascular cambium produces secondary vascular tissues while phellogen forms periderm. 

 

Secondary growth occurs in perennial gymnosperms and dicots such as trees and shrubs.

 

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