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Planting methods and care tips for the London plane tree
Morphology: 20-30 m tall, crown broadly bell-shaped; bark grayish brown to grayish white, peeling off in thin flakes. Young branches and young leaves densely covered with brown stellate hairs. Leaves palmately 5-7 lobed, deeply lobed to the middle, lobes longer than wide, leaf base broadly wedge-shaped or truncate, leaf margins toothed, palmately veined; stipules ring-shaped. Inflorescence head-like, yellow-green. Most nutlets clustered into whole-leaf spheres, 3-6 spheres in a string, persistent style long, bristle-like, fruit stalk long and drooping. Distribution: native to Europe; also distributed in India and Asia Minor. Habits: highly adapted to urban environments
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Detailed Explanation of Key Points for Raising Northern Chinese Parasol Tree Seedlings
The Chinese parasol tree, also known as green paulownia (Firmiana simplex), is a deciduous tree of the genus Firmiana in the Sterculiaceae family. Its crown is oval, the trunk is straight and upright, the bark is fresh green and smooth, and its emerald leaves cast dense shade. It has strong adaptability and grows rapidly, and is mostly planted as a street tree and in courtyards. At present it is recognized by more and more people, and has high promotion value and good market prospects. The seed sowing and seedling raising techniques for the Chinese parasol tree are introduced as follows. 1 Seed collection and preparation: select robust 15-30 year old
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What to do about fruit drop in jujube trees in summer? Growers need to prevent it in advance
Regulate the distribution of nutrients so that they flow more concentratedly to the jujube fruits. Measures: 1. Bend branches to open the angle. For relatively upright branches, change their direction by propping, pulling and other methods to disperse apical dominance; doing so can enhance ventilation and light penetration in the tree canopy, so that branches can also set fruit evenly in summer. 2. Remove sprouts and pinch the growing tips. For newly sprouted jujube shoots, when there is no room for development, remove them from the base or cut back to the rosette, keeping only 2-3 jujube fruiting spurs at the base. This can effectively reduce nutrient consumption, so that nutrients accumulate
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Key Management Techniques for Greenhouse Peach Trees Before Temperature Increase
I. Pruning To ensure a relatively good yield from greenhouse peaches, long-branch pruning should be adopted, keeping as many branches as possible and removing as few as possible. According to the space inside the greenhouse and the requirements of tree shape growth, while retaining 3-4 basic scaffold branches per tree, remove large branches that disrupt the tree shape, weak branches, non-flowering branches, diseased and pest-infested branches, overly dense branches, and crossing or overlapping branches; thin out or flatten the upward-growing medium and long fruiting branches; leave the extension branches unpruned; leave medium and long branches unpruned; and cut back the downward-hanging fruiting branches. The pruning amount should be controlled at about 10% of the total, so that after pruning each peach tree retains 8
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Why does a tree rose (standard rose) bloom little?
A tree rose refers to a single-stem, tree-like arbor form of rose produced through artificial horticultural techniques, giving it a trunk and a crown, and it retains the rose's characteristic of blooming profusely. However, after many tree roses are planted, they not only fail to retain the rose's profuse-blooming characteristic, but may even fail to bloom at all. Based on years of observation, study and exploration of tree roses, the author summarizes the reasons as follows. 1. Insufficient light and poor ventilation. As everyone knows, the rose is a strong sun-loving flower, and tree roses are no
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A Detailed Guide to the Cultivation Method of Natural-Style Tree Roses
Natural-style tree roses differ greatly from ordinary tree roses. Because special cultivation measures are used, it effectively solves problems such as the slow thickening of the trunk in ordinary tree roses and the difficulty of multiple varieties coexisting on one tree over the long term, and it also makes new breakthroughs in tree lifespan. This method has unique features from rootstock cultivation to grafting and then to later management, and it is a mature method for cultivating high-quality tree roses. Industry experts generally believe that this technology is currently at a leading level both domestically and internationally. Cultivation of natural-style tree roses
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Key Cultivation Techniques for Floribunda Roses in Street Planting
I. Selection of planting site: It grows best in an environment with ample light, good air circulation, nutrient-rich soil and good drainage. II. Soil replacement and preparation: Because road construction mostly involves compaction by large machinery, the soil structure is severely damaged and its aeration and drainage performance is poor. Therefore, before planting, the soil at the planting site must be replaced with loose soil rich in humus, to a depth of more than 50 cm. If the soil below is still compacted hard by machinery, that layer must be dug through before replacing the soil, so as to facilitate water infiltration.
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Why is the dawn redwood a precious relict tree species?
Scientific name: Metasequoia glyptostroboides Family and genus: Taxodiaceae, Metasequoia genus. A deciduous tree, a precious relict plant of our country. The dawn redwood has the advantages of rapid growth, strong adaptability, a straight trunk, and few pests and diseases. The wood is relatively light and easy to work, but its strength is weak and it is not decay-resistant; it is used as timber for construction, furniture, papermaking, and so on. The dawn redwood is highly cold-resistant and requires moist soil; it can grow on lightly saline-alkaline land. It is huge and upright, with luxuriant branches and leaves and changeable leaf color, suitable for concentrated block afforestation or clump planting, and is also an excellent tree species for greening around the four sides and in courtyards.
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Why are there cone-like objects on young spruce trees? Control of the larch adelgid
On young spruce trees, round objects resembling small cones often appear in June. They are actually galls formed by the damage of the larch adelgid (Adelges laricis). Completing one life cycle of the larch adelgid requires several transformations through different forms on two tree species, spruce and larch. For its life process, see "156. What are the white hairs on larch leaves". Before the galls split open, remove the galls on spruce by hand. Strengthen preventive measures to prevent the transport and planting of infected seedlings. Spruce and larch must not be planted mixed or close together; the isolation distance
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What kind of tree is the Schrenk spruce? Characteristics and growth habits
Schrenk spruce: an evergreen tree of the genus Picea in the pine family (Pinaceae), reaching heights of 30 m to 40 m, with a cylindrical or spire-shaped crown and a graceful form. The Schrenk spruce is both cold-tolerant and moisture-tolerant, and also fairly shade-tolerant; it is a rare evergreen tree species for ** regions and should be widely promoted.
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