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Six key points for autumn management of peach trees
1. Timely pruning. The peach tree originated at high altitude with strong sunlight, which formed its light-loving characteristic. In addition, peach shoots can undergo repeated extension growth, peaks and multiple secondary shoots, so timely pruning in autumn to create good ventilation and light conditions is more important for peach than for other tree species.
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What are the key points to note in shaping and pruning peach trees
1. The general shaping principle is "shaped but not rigid, unshaped but not chaotic," "large branches bright and open, small branches bustling." Fewer large branches allow more small branches. The general pruning principle is "prefer light over heavy, combine heavy and light." "Small branches bustling" does not mean the more branches the better; generally after pruning the branch spacing is
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How to prune a peach tree? Master the correct peach tree pruning method
1. Trunk height: For a generally shaped tree, the trunk height is 30-50 cm; the specific height should be determined according to the variety, terrain, planting density, management method and the growth of the individual tree. For varieties with strong growth vigor, fertile soil and a wide branch spreading angle, the trunk can be set somewhat higher.
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Pruning Jujube Trees in Three Stages Helps Increase Yield
I. Trees in the early fruiting stage. The canopy of the jujube tree has not yet formed, and vegetative growth still predominates, but the yield increases year by year. Pruning at this stage should focus mainly on thinning, renewal pruning, heading back, and training, carried out according to the principle of "four keep, five do not keep." The "four keep" means: keep the outer jujube heads; keep the jujube heads on the scaffold
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Detailed Explanation of the Hook-Shaped Cleft Grafting Method for Jujube Trees, Step-by-Step Guide
1. Tools used: pruning shears, grafting knife (straight sharp knife), plastic strips. 2. Collection of scions: Collect well-developed, pest- and disease-free 1-year-old jujube head branches or current-year lignified branches, remove secondary branches (leave 2 cm long) and leaves, and use them immediately after collection. If
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Detailed Explanation of Summer Pruning Methods and Techniques for Jujube Trees
Traditional jujube orchard management is relatively extensive, and summer pruning is generally not carried out, resulting in disordered tree shape and small angles of scaffold branches. Although the tree is tall, ventilation and light penetration are poor, and yield is low. Summer pruning of jujube trees not only facilitates ventilation and light penetration, but also regulates tree nutrition and increases fruit set
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What are the key points of apple autumn pruning techniques?
I. Autumn physiological characteristics: 1. In the late stage of new shoot nutrition (August to November), leaf photosynthates are transported downward in large quantities into buds, fruits, branches and trunks, and roots. 2. In the fruit ripening stage, including early, mid and late maturing varieties. 3. In the late stage of flower bud differentiation,
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Detailed Explanation of Key Points of Winter Pruning Techniques for Cornus officinalis
Cornus officinalis, also known as zaopi, yaopi, and yurou, is a traditionally precious woody Chinese medicinal material in our country, with extremely wide medicinal uses. Foping County, Shaanxi Province, has a long history of cultivation and has already formed large-scale production. In 2001 and 2002, the county was respectively named "China's Hometown of Cornus officinalis" and "National-Level Cornus officinalis Medicinal Source Base County" by the State Forestry Administration and the Ministry of Science and Technology.
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Key Points of Shaping and Pruning Techniques for Schisandra chinensis Cultivation
The vines of Schisandra chinensis are soft and cannot stand upright, so they need to attach to a support and twine upward to grow. Therefore, its shaping work includes two tasks: setting up supports and pruning. (I) Setting up supports The growth amount of Schisandra chinensis in the year of planting varies greatly. Under conditions of poor seedling quality and poor management, plant height generally reaches only 50-60 cm, but after stumping pruning, the average growth height in the second year can reach more than 150 cm, and by the third year it can cover the trellis surface. Therefore, supports can generally be set up in the spring of the second year (early to mid-May). Supports can use trellis poles and sun-resistant polyethylene rope. Bamboo poles are often chosen as trellis poles. Bamboo poles are 2.0-2.2 m long, with a top diameter of 1.5-2.0 cm; sun-resistant polyethylene rope with a thickness of 3×15 strands is more suitable, with the upper end fixed to the first iron wire at the top. According to the plant spacing, 1-2 poles per plant. When the plant spacing is less than 50 cm, one pole can be set per plant, placed about 5 cm beside the plant; when greater than 50 cm, two poles per plant, evenly inserted or fixed on both sides of the plant. The part of the bamboo pole entering the soil is best coated with asphalt to extend its service life. The trellis poles are fixed to the three trellis wires with thin iron wire. In a Schisandra chinensis orchard with good seedling quality and management, the plant can reach a growth height of about 2 m in the same year, so supports should be set up in late May of the planting year to facilitate rapid plant growth.</p><p>(II) Shaping</p><p>The purpose of shaping Schisandra chinensis is, through artificial intervention and induction, to make it grow and develop according to the grower's requirements, so as to fully use the trellis space, effectively use light energy, reasonably retain vines, regulate the relationship between vegetative growth and reproductive growth, and cultivate robust and long-lived plants, so that they adapt to climatic conditions and facilitate farming, pest and disease control, pruning, and harvesting operations, thereby achieving the goals of high yield, stable yield, and high quality.</p><p>The tree form commonly used for Schisandra chinensis is a training method with one group or two groups of main vines, that is, each plant retains 1 group or 2 groups of main vines, which are respectively twined on evenly arranged supports. On each support, 1-2 fixed main vines are retained. Lateral vines and fruiting mother branches grow on the main vines. The spacing between each fruiting mother branch is 15-20 cm, evenly distributed. Fruiting branches and vegetative branches grow on the fruiting mother branches, as shown in Figure 5-3. The advantages of this shaping method are that the tree structure is relatively simple, and the shaping and pruning techniques are easy to master; cultivation can be carried out between plants and rows, making weed control convenient; the plant volume and load are small, and the requirements for soil, fertilizer, and water conditions are less strict. However, because the plant is relatively upright, it is prone to forming a situation of strong upper growth and weak lower growth, with the fruiting position moving upward, so control needs to be strengthened.</p><p>Each tree generally needs 3 years to form its tree shape. During the shaping process, special attention should be paid to the selection and retention of main vines. Branches with strong growth vigor, full growth, and plump buds should be selected as main vines. The number of main vines in each group must be strictly controlled. Too many main vines will cause adverse consequences such as weakened tree vigor and chaotic retention of branch groups.</p>
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Safe Use of Tea Harvesting and Pruning Machines in Tea Cultivation
With the arrival of the tea harvesting season, tea harvesting machines will be widely used. In order to better bring into play their role in agricultural work, safe operation is very important. Operators are urged to follow the operating procedures. 1. Clothing requirements during operation 1) Please wear long-sleeved
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