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Before root pruning you should consider the size of the root ball that will be moved. Minimum root ball sizes for specific plant sizes are shown in Table 1. The greater the root ball diameter, the more roots will be included in the move.

Field Manual of Diseases on Trees and Shrubs

Also remember that bigger root balls weigh more. Consider how the plant will be lifted and moved. Ball carts, wagons, tarps, or thick folded cardboard can be helpful in transporting the dug plant to its new location. When to root prune depends on when you wish to move the plant. For most plants, root pruning is recommended in the fall, followed by transplanting in the spring. This allows the plant to grow new feeder roots in the pruned zone over the winter without the burden of supporting new growth. For larger plants, you may want to root prune one year or more before transplanting.

Field Manual of Diseases on Trees and Shrubs | R. Kenneth Horst | Springer

Keep in mind larger plants will need more time to become established after transplanting. Alternatively, rooting pruning in the spring for a fall move is possible; however, the root pruned plant will need to be watered during summer dry spells.

Be aware some plants do not respond well to being moved in the fall, especially those with thick and fleshy roots e. Methods for root pruning vary. One method called spading involves cutting through the existing roots with a spade, making a circular cut all the way around the plant. The edge of this cut should be just inside the edge of the future root ball. Spading works best for small plants or plants that have not been in the old site for a long time. Another method called trenching involves digging a trench around the plant and refilling the trench where the new feeder roots with develop with soil high in organic matter.

Trenching is more appropriate for plants that have been located in the old site for several years or more. Trenching techniques also vary, depending on plant size. Trenching can be done all the way around the plant or only part of the way around the plant, followed by further trenching later in the season.

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To root prune using trenching, dig a trench 8 to 12 inches wide or wider, 12 inches deeper or deeper with the outer edge of the trench corresponding to the outer edge of the future root ball. Next, fill the trench with soil high in organic matter, made by mixing two parts topsoil with one part compost. If conditions are good, the plant will grow new feeder roots in the trench of rich soil by transplanting time. These feeder roots will give the tree added ability to withstand transplant shock. Be sure to move as many of these new, young roots as you can when you move the plant. Before digging the root ball for transplanting, check to see if a good net of fibrous roots has developed.

If few roots are found in the trench, you should consider postponing the move for another year. In addition, when you do decide to move the plant, digging a root ball larger than originally planned may assure that all of the new roots go with it.

Once the roots are pruned, special care should be taken to assure the root ball receives sufficient moisture, especially in the event of a dry fall or winter season. Check for soil moisture levels by feeling the soil. If the soil is dry two to three inches below the surface, give the tree a good soaking, assuring that the trench area is well watered. A two to three inch layer of mulch over the root ball but not in contact with the trunk or stems of the plant can help hold moisture in the soil and also protect the roots from cold temperatures during the winter.

Prior to moving the plant, prepare and dig the hole for the plant in the new location. Also soak the root ball of the plant before moving so that the soil will remain together during the digging process. Carefully dig the soil away from the root ball, and then wrap the whole ball in untreated natural burlap. Be very careful not to use synthetic burlap because it will not rot away and will eventually restrict the growth of the roots.

Lash the burlap together securely to hold the roots firmly in place. You can do this by using a large upholstery needle and untreated natural twine to stitch the burlap tightly around the root ball. Carefully move the plant using a cart, a rented ball cart, burlap, or cardboard. The goal is to keep the root ball intact. If the soil ball breaks, it will break the roots inside and may lead to the death of the plant.

Make sure the plant is set at the same depth in the new hole and fill in around the root ball with topsoil. They are 1 to 1. Inflorescence is a corymb.


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Flowers are very showy, large, red, orange or yellow in colour. Each flower has five sepals and five petals and the fifth petal is far smaller than the other four. Fruit is a pod, which is flat, compressed, and green when young, brown when ripe. Each pod is about 10 cm long and contains five to six seeds. Uses: Feathery foliage and brilliant scarlet and yellow flower and quick growth rate make C. It blooms all year round. In the Maldives, it is found grown commonly in home garden, parks and other public places. A variety of C. Ecology and Management: Grows well in all kinds of soil including sand, clay, loam, acidic or alkaline soils.

It is highly drought tolerant but is intolerant to flooding.

golynnscecun.tk It is moderately tolerant to aerosol salt and thus can be planted along the beach. Though it can grow in partially shaded places it requires full sun for flowering. Germination will be faster if the seeds are sanded slightly or soaked in hot water for hours. Wildlings that grow below the mother tree in home garden, parks and other public places can also be used for outplanting and they perform quite well.

Tipping of the branches during the growing season creates a fuller shrub and more flowers. It needs pruning and normally grown with trainer, otherwise trees will droop as they grow. Caesalpinia sappan - Bey's fathangu. Description: A small- to medium- sized sized, shrubby spreading tree that grows to 4 to 8 m tall. Bark is greyish-brown in colour with distinct ridges and sharp prickles. Young branches and buds are covered with soft small hairs. Leaves are bipinnately compound, 20 to 45 cm long and are alternately arranged. Each leaf has about 8 to 16 pairs of pinnae, which may be up to 20 cm long and with prickles at the base.

Each pinna has ten to 20 pairs of oblong or oblong-rhomboid shaped leaflets, which are attached neither parallel nor at right angle to rachis and thus, give a distinctive shape to whole leaves.

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Leaflets are slightly shiny. Inflorescence is a raceme with long peduncle and located at the tips of the branches. Flowers are yellow coloured, 2 to 3 cm long with five shiny sepals and five haired petals. Fruit is a pod, which is shiny, thick, flattened, oblong and woody. Fruits are 7 to 8 cm long and 3 to 4 cm wide and dark-brown in colour with prominent recurved beak. Each pod contains two to five flattened brown seeds.

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Uses: It is a multipurpose tree. Wood, which is known as redwood or Brazil wood, is dark red in colour, hard and lustrous and resistant to termite.

Insect and Disease Control for Trees, Shrubs and Flowers

It is of great value for making violin bows.