Grapevine Vine Cutting and Cultivating Seedling Technology

Cutting is the direct use of grape vines for cutting seedlings. According to different types of branches, cutting seedlings can be divided into hardwood cuttings and green branches and cuttings. Hardwood cuttings are commonly used in production.

(A) The principle of cutting roots Grape vines are rooted or knotted. This root is called an adventitious root. The occurrence of adventitious roots on grapevines is caused by the division of the axon sheath cells at the junction of the myeloid ray with the myeloid ray below, not from the healing tissue. Therefore, in the practice of cutting seedlings, the basal part of the glucoside is often seen. At the end of the process, the healing tissue grows, but there is no direct relationship between the healing tissue and the occurrence of adventitious roots. However, the formation of the healing group is important to prevent the invading bacteria, protect the cut-nots from rot, and prevent the nutrients from flowing. The role of the creation of conditions for rooting.

There are more roots on the nodes of the grapevines. This is because there are more nutrients stored in the diaphragm of the section, and it is relatively poor to ask for roots relative to the diaphragmless section. From the stand age point of view, annual branches and shoots take root better, and perennial roots are poorer.

The internodes of the grapevines cannot produce adventitious buds, so the cuttings must have a full sprout. The roots of the grapes cannot produce adventitious buds, so the grapes cannot be inserted with roots.

The branches of the grapes draw new shoots at the top of their form, and new roots are drawn from the bottom of their form. This phenomenon is called “polarity” and special attention must be paid when inserting the cuttings.

Different types of grapes have different abilities to regenerate adventitious roots. European and American grapevines are more prone to rooting than mountain and round grapevines. Different varieties of the same species have different rooting and cutting ability. For example, in the Kyoho line, Fujisawa It is a difficult variety to take root.

There is a close relationship between the storage of nutrients and the rooting of grape vines. Carbohydrates have an important effect on hairy roots in nutrients (experiments show that rooting is good when the starch content in grape cuttings is high), followed by nitrogen compounds which are also essential nutrients for rooting. The appropriate amount of nitrogen nutrition is conducive to the rooting of the cuttings, so the fully mature and robust branches are the primary conditions for good rooting.

(2) Acquisition of cuttings and storage Cuttings should be collected on the fine plants (mother trees) that have been produced as a result and have purely variety characteristics. However, cuttings should not be collected on saplings with poor performance, serious pests, and unsuccessful results, so as to prevent deterioration of seedling quality and deterioration of cultivars.

The collection of cuttings is generally carried out simultaneously with winter pruning. The annual branches with full growth, good growth, short internodes, normal color, full shoots, and no pests are selected as cuttings and cut into 7-8-section branches ( 50 centimeters or so). Each 50-100 pieces are bundled into a bundle. The name of the species and the place of collection are indicated and placed in the sand in the storage ditch. The storage ditch is located in the back of the high dry terrain, and the ditch depth is 60-80 cm. The length and width are determined by the number of storage branches. Before storage, lay a layer of wet sand with a thickness of 10-15 cm at the bottom of the ditch. The cuttings can be placed flat or upright, but a layer of branches should be removed to reduce the respiratory heat. If there is no sand, soil can also be used. The wetness of the soil is about 10%. Fine soil is used between the bale and bale. The number of layers placed in the cuttings is preferably 3 layers. When it is too much, it is not convenient for inspection and management, and it is easy to cause fever and mildew. In the middle of the bar, a bale stands upright every 2 meters to facilitate ventilation. After the branch g is good, the top layer can be covered with a layer of grass straw, and finally covered with 20-30 cm thick soil. The thickness of the cover soil in the cold regions of northeast and north China should be increased appropriately. The storage period of cuttings should be checked frequently so that the temperature in the sand pit can be maintained at about 1°C. Generally it should not be higher than 5°C or lower than -3°C. The temperature is too high and the shoots are enhanced in respiration, consumption is increased, and mildew is easily produced; the temperature is too low and the buds are susceptible to freezing injury. The humidity in the storage ditch is also suitable. If the humidity is too high and the branches become moldy, it must be turned and ventilated in time and stored again.

Intestinal localization was administered to reduce adverse effects.

Targeted site-specific release:

Two hours in gastric juice will not disintegrate or crack, dissolve within thirty minutes of disintegrating juice, providing a perfect solution for protein and peptide drugs and probiotics.

Enteric coated gelatin hollow capsule is made of gelatin and enteric coating material in gastric juice it will not collapse, but will release in the intestines as a collapse of a target product . It is often used for special packaging of drugs and health cae products which are irritating to the stomach or unstable under acid, or dissolved and effected in the intestine.

Intestinal location administration can improve the efficacy of drugs, reduce the dose and the adverse reaction, brings the convenience to patients. Moreover , it can avoid the degradation of gral protein, polypeptide or health care products and provide the best absorption sites for them.