callus (adj. callose)
1. A hard protuberance or callosity, sometimes resulting from a wound. 2. In the grasses, the tough often hairy swelling at the base or insertion of the lemma.
GardenWeb Glossary of Botanical Terms
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I consider the CALLUS a favorable step toward rooting a cutting. It is the tissue or membrane that has developed over the raw cut end, with a somewhat raised rim around the edge. This indicates there will be coming roots instead of rot.
Callus A thickened tissue that develops at the base of stem cuttings; new tissues formed in response to a wound.
CALLUS - Scar tissue that forms when a plant has been damaged or cut. When propagating some succulents it is best to have the leaf form a callus, to prevent disease and rotting.
callus Tissue that develops when cambium or other meristematic tissue is wounded.
calorie Amount of heat required to raise the temperature of 1 cubic centimeter of water 1°C.
Callus The new tissue that grows over a plant wound or cut. Canker An erosive eruption on a stem or truck, usually exuding a viscous liquid or the spore of the fungus that causes it.
CALLUS: wound tissue.
CALYX: The outer ring of flower parts, usually green but sometimes colored.
CAMBIUM: This is the thin membrane that grows just under the bark of a plant.
Plant the callused pencil cactus stem in the prepared potting mixture. Water the soil well, then place the container in a warm, bright spot. Keep the soil lightly moist while the stem is rooting.
callus search for term- n. (L. callus, callum, hard skin) a hard protuberance or callosity; new tissue covering a wound.
Once the cuttings are collected, store them over winter to allow callus development. To do this, dig a hole 12-to-18 inches deep in sandy or well-drained soil in a sunny location and place the bundles of hardwood cuttings into this pit.
As temperatures rise above 50°F (10°C), tree growth becomes progressively more active and a ring of callus tissue is normally formed around the canker.
The proper time for taking cuttings from the mother plant is when the sap is in full motion, in order that, in returning by the bask, it may form a callus or protruding ring of granular substance between the bark and wood, whence the roots proceed.
Open wounds on the canes may not heal properly, as cold weather can inhibit the formation of a protective callus.
Dig a trench, starting away from and working toward the base of the bush. The trench should be as long as the bush is high.
Symptoms: The fungus grows deep into the wood and kills new wound callus as it develops. This annual killing of successive layers of callus results in perennial, target-like, zonate cankers (Photo 67).
Allow the cut tip of a vine cutting to callus over for two to three days to prevent rotting.
They not only save your hands from calluses, gloves can also protect your skin from harmful chemicals and UV rays.
Place the cutting on a counter for 1-2 days so that it can form a callus. Plant in a 3 inch pot filled with a cactus type soil (free- draining) and water. Insert the cutting, so the leaves are just above the soil surface.
The skill is in making cuts that callus (form a thickened tissue that seals off wounds) properly and minimize the chance for decay.
Prompt removal of diseased, damaged, or dead plant parts speeds the formation of callus tissue, and sometimes limits the spread of insects and disease. For trees, pruning a dense canopy permits better air circulation and sunlight penetration.
Garden gloves keep your hands clean, prevent you from getting calluses, and protect you. More
Can You Freeze Garden Seeds for Later Use?
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Leave the cutting exposed to air for two weeks to grow calluses before potting it up or place it directly in dry potting mix. Wait until roots have formed to water the plant.
Allowing the cut end to callus over seems to help the geranium root, rather than rot in the damp soil. You should feel some resistance when you gently tug on the cuttings in about 4-5 weeks.
Wait two days before planting the cutting. This will give the wound time to callus over. This step is important because it will help protect the leaf from disease.
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On spruce trees, symptoms are quite different. Look for sunken areas surrounded by a swollen callus, giving a gall-like appearance. This canker is orange in the middle and surrounded by a ashen gray hued, oozing area.
A set of gardening gloves will help protect your hands against splinters and blisters. Rather than developing calluses on your fingers, you can wear a pair of stylish gloves. Wear them while handling tools, shoveling or picking up plants.
Trim leaves back after they wither, then dig and divide rhizomes. Let them dry in the shade for a few days so that cut surfaces will callus, ...
Pruning cuts should always be made just outside the collar to preserve that tissue that helps seal off the pruning wound.
Woundwood: Callus tissue that forms at the wound site.
In fact, tree wound sealants and tree wound dressings may actually interfere with the tree's natural healing ability, making it difficult to form the life-saving calluses that help prevent decay or disease.
Let the cuttings callus (form protective tissue over the cut) for one week; then dip them in rooting hormone again and plant into containers. Keep the cuttings in a cool, shady location and maintain even soil moisture.
He suspects that the grower tried to cover up the split with some twine, which can be a questionable practice, but thankfully, it appears as though the wood has started callusing or healing, since the top growth appears to be perfectly healthy.
Much of the country will experience the last frost of the season this month, bringing us to the heady days of spring gardening. So whether you're just getting your hands dirty for the first time, or already have calluses from digging, ...
mixed into bath salts or made into mitts, back scrubbers and the like and sold in upscale bath and body stores. Luffas can be made into a multitude of other products as well: they are even made into deluxe massaging slippers that smooth calluses as ...
In the landscape, it is best to leave white pines unpruned unless you want to remove low branches to make it possible to walk or sit under the trees. Do this job in spring, while the trees are young, to limit the number of bumpy calluses that form ...
 See also: Plant, Spring, Branch, Growing, Flower
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