Very full and bushy plant with many leaves and smelled nicely. Switched to flowering stage by changing the lights to 12/12 (2700k). Two day later, the plant leaves were drooping, curling inwards, drying out and tips were turning black. Other leaves were a bright green and now almost yellow. During veg stage plant was getting PH'd water and mixture of Grow Big and Big Bloom. On 5/9 plant got mixture of Tiger Bloom and Big Bloom.
The most distinctive cells found in xylem are the tracheary elements, that is tracheids and vessel elements. However, the xylem is a complex tissue of plants, which means that it includes more than one type of cell. This is why it is a tissue not a cell.
Xylem and phloem throughout the plant make up the vascular tissue system. They allow water and other nutrients to be transported throughout the plant. Xylem is consists of two types of cells known as tracheids and vessel elements.bove and beyond tissues, plants also have a higher level of structure called plant tissue systems. There are three types of tissue systems: dermal tissue, vascular tissue, and ground tissue systems.