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Bud union

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bud union
The place on a grafted plant where the rootstock and the scion meet. Typically the bud union can be found near the base of the plant and should be just above ground level.
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Bud union
Refers to the point at which the plant has been grafted on to a rootstock and is usually found at soil level. This is the result of a technique called ‘budding’ where the bud of one plant is grafted on to another plant.
Bulb ...

Bud union A swollen and distinct node when a bud has been grafted.
Bulb The thickened underground storage organ of the group of perennials which includes daffodils and tulips. A modified underground stem comprised of shortened central axis surrounded by fleshy scale-like leaves.

bud union The suture line where a bud or scion was grafted to a stock. Sometimes called the graft union.
budding The grafting of a bud onto stock of a different plant. The bud is the scion.
budstick A shoot or twig used as a source of buds for budding.

Your rose bud union should be a few inches above the soil if you live in warmer Zones with year round temperate climates. In colder zones, you will need to plant the bud union under grounds.

~; graft unionA swollen area just above the soil level where one variety has been grafted onto the rootstock of another variety. The ~ is not always swollen, and on some older plants it can be difficult to find. On young bare-root trees the ~ may look like a slight bend.

~ - The point where a plant has been grafted. Usually indicated by a small knoblike growth on a tree, shrub, or rosebush.
bulb - The thickened underground storage organ of the group of perennials Gardening supply necessary.
which includes daffodils and garden tulips.

Crease forming at ~
Statewide IPM Program, Agriculture and Natural Resources, University of California
All contents copyright 2013 The Regents of the University of California. All rights reserved.

There will be a bump on the trunk called the ~. You want the bump to be about two inches above the soil surface. This bump or ~ is where the scion, or top portion of the tree, was grafted onto the rootstock.

Warm winter areas should plant with the ~ (the swollen joint between the root stock and the scion or grafted cane) 1" above soil level, moderate winter areas (Zone 7&8) at soil level and hard areas should bury the ~ 2" below the soil to ensure the survival of the scion.

Do not allow the wrapping to constrict the ~. About 10 days after budding, check the buds and release the wrapping by making a single vertical cut on the backside of the stock, away from the bud. Do not try to pull off the wrapping if it sticks to the bud or stock.

Normally, grafted roses are planted so that the ~ is at or just slightly above the soil line. Planting deeper, so that the ~ is no more than 2 inches below the soil line, offers added protection.

Suckers are stalks that emerge from below the ~, where the rose bush was grafted onto the root stock. Suckers are growing from the root stock and will not bloom, like the top half of your rose bush.

Alfalfa stimulates basal breaks—new growth from the ~ that ensures a vigorous plant with beautiful blooms. Some people scatter alfalfa pellets around the base of each bush; others mix alfalfa meal with their regular fertilizer.

In zones 6-10, the ~ should be about an inch above the soil surface. In zones 5 and under, it's a good idea to bury the ~ an inch or so under the soil surface. Use a wood dowel or the handle of a shovel to gauge the proper depth.

When removing an entire cane, make the cut as flush as you can to the ~. If you leave a stub, it can die back into the ~ allowing entry for disease and pests.
You may need to use a tree saw to get the final flush cut.

Hybrid roses generally benefit from a simple process that protects the ~ (where the hardy rootstock is grafted to the flowering portion of the plant). It's time to protect your roses when they've experienced one or two hard freezes, but before the ground freezes solid.

When planting a peach tree, dig a hole in the center of the prepared location. Plant the tree so the ~ is approximately one inch above the soil. If a peach tree is planted too deep it may be injured or killed.

a new shoot that comes from the ~ for grafted and the base for own root .
here are some on a grafted ebb tide
(Click for full-size) ...

Fall-planted trees are more subject to cold injury during the first winter after planting. Plant the ~ 4 inches below ground level for good anchorage. The soil should be well settled and firm around the roots.
Training and Pruning ...

Winterize Your Rose Bushes. Place shredded leaves or compost around the base of the plant to protect the ~. Tie longer canes together to prevent damage from the wind. Do not prune until spring.

Their requirements are similar to conventional roses -- they need good soil and regular watering and feeding. When planting outdoors in the ground, minis should be set slightly deeper than they were when growing in the pot. That's because they grow on their own roots with no ~s.

See also: See also: What is the meaning of Union, Bud, Plant, Soil, Growing?

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