2024 Author: Gavin MacAdam | [email protected]. Last modified: 2023-12-16 13:38
The grafting pruner helps to reduce the number of trees and increase the range of crops - a necessary, useful tool that guarantees 90% survival rate. Consider the selection criteria and the best manufacturing materials
What is a grafting secateurs
The result of accretion of wood tissue depends on the purity and correctness of the cut of the scion and rootstock. Grafting knives have been replaced by efficient pruning shears, which independently make the ideal cutting plane.
This tool does not need the firmness of a man's hand; if desired, women gardeners can easily cope with it. The cut is made curly, completely coinciding on both branches, like puzzles.
The grafting pruner consists of a comfortable handle with a spring and a working mechanism: two blades (supporting-shaped and working, making a cut), a stopper. There is a buffer for limiting the stroke, a bolt and a nut for fixing and secure fit.
Some models are equipped with a knife for pruning young shoots. The main asset is the cutting blade, there can be 1 or 3. There are three knives in the complete model, making different cuts and designed for different diameters:
• V-shaped are used for thin branches (4-6 mm);
• U-shaped are considered a universal profile for grafting all fruit trees with branches of 5-12 mm;
• omega-like are suitable for dense wood species, provide the most reliable connection.
An experienced gardener will appreciate these options as they allow you to work with different types of trees. The cutting parts are modeled so that after cutting the scion and rootstock coincide by 100%. When working with this tool, adjustment and correction of the contact points is not required.
Professional secateurs are equipped with a lever or contact mechanism, a power drive. The main value of the design is knives; the duration of operation depends on their sharpening and quality. Knives are usually made from high carbon, alloy steel and are perfectly sharpened. Get to know the pros and cons of the tool.
The advantages of grafting secateurs:
• suitable for beginners who are not familiar with vaccination techniques;
• designed for cutting of different diameters (4-12 mm): from thin annual shoots to thick branches;
• made of modern materials, do not lose performance for several years;
• fast process of work, vaccination is done in a few minutes;
• it will be easy to learn how to manipulate the instrument, it is enough to make 20-30 test cuts.
Disadvantages of grafting secateurs:
• restriction of the choice of grafting material: rootstock and scion must be of the same diameter and have a cross-section range not exceeding 12 mm;
• the omega knife is not suitable for thin branches;
• cutting goes across the wood fibers, which leads to rapid blunting;
• difficulty in sharpening cutting blades;
• you cannot use blunt knives - jams appear on the cut, the fibers are deformed, grind;
• do not withstand the stated number of slices;
• the pruning shears cost is higher than the grafting knife.
Vaccination secateurs have a reasonable price of 1-2 thousand rubles, professional ones are slightly more expensive. Tool weight 250-600 g.
How to choose a grafting secateurs
The main points on which performance depends: knife, spring, handle. You need to choose a secateurs according to the following parameters.
1. The knife, which is made of carbon or alloy steel, has a Teflon or chrome-plated coating, will make up to 4 thousand cuts without sharpening.
2. The handles are durable if made of metal. It is convenient to use if they have fiberglass cover, rubber inserts or reinforced polyamide applied to them. All these elements block slipping, help to hold the tool firmly.
3. The spring makes it easy to work and returns the blades to their original position. Its presence is highly desirable. With coil springs, the tool is cheaper, tape will last longer.
Let's dwell on the quality of the blade - the successful outcome of the manipulations depends on it. Without a special coating, ordinary steel rusts and dulls quickly. When studying technical characteristics, give preference to blades made of 65X13 stainless steel, high-carbon SK-5 (does not require frequent sharpening), AUS-6, 440A grades and titanium.
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