Transport in Plants

Aim:

To observe xylem tissue and prove that they transport water up the plant.

Equipment:

• One stick of celery with leaves still attached
• Retort stand
• Boss head and clamp
• A pertri dish
• Water
• Food colouring
• A knife or scapel

Method:

1. Cut across the base of the celery stalk to expose a new section of the stem.

2. Fill the petri dish with water and add a few drops of food colouring.

3. Place the celery stalk in the petri dish and gently clamp it in place using the retort stand boss head and clamp.

4. Leave the stalk undisturbed for 24 hours.

5. Remove the stalk from the clamp and petri dish. Cut the stem about 1/3 of the way up the stem