So the stems do not get air pockets in them.
more area on the stem to absorb water & nutrients
To grow broccoli from a stem, cut a stem from a mature broccoli plant and place it in water until roots form. Then, plant the stem in soil and water regularly to help it grow into a new broccoli plant.
When the stem of a herbaceous plant is cut and water or sap oozes out, it is due to the pressure within the plant's vascular system. The xylem and phloem tissues, which transport water and nutrients throughout the plant, are under pressure, and cutting the stem releases this pressure, causing the water or sap to flow out.
No!!!!! IT STOPS IT FROM GROWING IF YOU CUT IT ! sorry to yell but you may kill the plant (lol)
The stem of the plant contains tubes. These tubes act like straws. They pull the water up from the vase and through the plant. If they cut the stem straight across, it crushes the tubes. The plants will wilt much quicker. However, if they cut at an angle, more of the tubes stay open. This means more fresh water moves through the plant, and it will stay fresh longer.
It is due to gravity. Cut the stems underneath water to lessen this effect. If not done, this will often cause an air bubble to form in the stem, so stopping water continuing up the stem.
To propagate a ti plant in water, cut a healthy stem from the plant and place it in a container of water. Change the water regularly and wait for roots to grow before transplanting the cutting into soil.
To make a cross section of a plant stem, use a sharp blade to cut a thin slice of the stem. Place the slice on a glass slide and add a drop of water or stain to enhance visibility under a microscope. Cover with a coverslip and carefully observe the structure and cells of the plant stem under a microscope.
To propagate a Wandering Jew plant in water, you can cut a healthy stem from the plant and place it in a container of water. Make sure to change the water regularly to prevent rotting. Roots will eventually grow from the stem, and once they are established, you can transfer the cutting to soil for further growth.
If you mean cut from the plant - it's because they're no longer getting nourishment travelling up the stem from the parent plant. That's why they're packed in wet paper for travelling, and why you need to put them in water as soon as you get them home.
You can propagate an Alocasia plant by dividing the rhizomes or by taking stem cuttings. To divide the rhizomes, carefully separate the plant into smaller sections with roots attached. For stem cuttings, cut a healthy stem with at least one node and place it in water or soil to root.
A plant clipping is a small section (normally a leaf on a stem) cut from a plant.