Vascular_Cambium_Presentation.pptx1w34sgshhbvhjjj

Educational ppt

1. Vascular Cambium: Origin, Structure, Storied and Non-Storied Cell Types A Detailed Study on Vascular Cambium

2. Introduction to Vascular Cambium Vascular cambium is a lateral meristem responsible for secondary growth in plants. It produces secondary xylem and phloem, contributing to the thickening of stems and roots.

3. Origin of Vascular Cambium • Primary Origin: Derived from procambium in primary growth stages. • Secondary Origin: Develops from dedifferentiation of parenchyma cells in mature tissues.

4. Structure of Vascular Cambium • Composed of two types of cells: Fusiform initials and Ray initials. • Fusiform initials are elongated, while Ray initials are nearly isodiametric. • Responsible for the production of secondary vascular tissues.

5. Storied vs. Non-Storied Cambium • Storied Cambium: Cells are arranged in horizontal tiers, commonly found in tropical trees. • Non-Storied Cambium: Irregular arrangement of fusiform initials, more common in temperate trees.

6. Functions and Significance • Produces secondary xylem (wood) and secondary phloem. • Increases girth of stems and roots. • Provides mechanical support and efficient transport of nutrients.

7. Conclusion Vascular cambium plays a crucial role in the secondary growth of plants, ensuring structural support and continued transport of nutrients and water. Understanding its function helps in studying plant development and wood formation.