What is an Allium root tip?

Allium root tip: Examine the square cells just inside the root cap. This is the root meristem (embryonic tissue) where mitosis is occurring. Farther up the root is the elongation zone, where cells are long rectangles; these cells are not undergoing mitosis.

How many chromosomes does the Allium root tip have?

Common onion (Allium cepa L.) has eight pairs of relatively large chromosomes (2n = 16) that allows for the easy detection of CAs. The plant material is available all the year round, it is inexpensive and easily to grow and handled.

How do you observe root tips of onion?

The root tip should spread out to a diameter of about 0.5- 1cm. Observe it under a compound microscope in 10x objective. Scan and narrow down to a region containing dividing cells and switch to 40x for a better view.

Which is the root tip of Allium cepa?

PMS27.10 Allium Cepa (Onion, Liliaceae); Root Tip, LS. For Mitosis, Iron Alum Hematoxylin & Orange Stain.

What do you do with the leaves of an Allium?

Alliums that grow from bulbs use their foliage to produce energy for next year’s flowers. It’s important to allow the foliage to die back naturally. Once it has withered, it can be removed with a gentle tug. When herbaceous alliums have finished blooming, use scissors or hedge shears to trim off the spent flowers.

Which is the best description of the genus Allium?

Scorodon Fourr. Allium is a genus of monocotyledonous flowering plants that includes hundreds of species, including the cultivated onion, garlic, scallion, shallot, leek, and chives. The generic name Allium is the Latin word for garlic, and the type species for the genus is Allium sativum which means “cultivated garlic”.

What are the inflorescences of an Allium plant?

The inflorescences are umbels, in which the outside flowers bloom first and flowering progresses to the inside. Some species produce bulbils within the umbels, and in some species, such as Allium paradoxum, the bulbils replace some or all the flowers.