Plant growth chemical regulation technology
In addition to proper temperature, light, gas, water, etc., the plant also needs some physiologically active substances with special effects and minute contents. These substances are called plant hormones. Nowadays, chemical synthesis methods are used to produce plant growth regulators that function similar to plant hormones and are used in plants to achieve the purpose of regulating plant growth and development. Plant growth hormone species 1. Auxin can significantly promote the growth of plants, induce light growth, maintain apical dominance and other physiological effects, can inhibit the flowering of short-day plants, and promote the flowering of long-day plants. The commonly used auxin has a 3-membered compound. Indole Acetic Acid (IAA), Gallium Propionate, Indole Butyric Acid, and Ethylethylamine; Naphthalene Acetic Acid (NAA), Naphthylacetic Acid, Naphthylacetamide, Naphthalene Acetate, Naphthalene Butyrate, and Naphthalene Oxyacetic acid, etc.; 2,4 dichloro-l-oxygenoacetic acid (2,4-D) of phenol compounds, anti-dropping agents, increasing yielding spirits, increasing production factors, 2 methyl 4-chloro, phenoxyacetic acid, phenylacetic acid and benzazole acetic acid, etc. . 1, promote rooting. Mainly used for promoting rooting are indole butyric acid, naphthalene acetic acid, 3-indole acetic acid and the like. Currently, naphthalene acetic acid and indole butyric acid are generally used. 2, to prevent falling flowers. Nowadays, the most used vegetable growth is to prevent flowering and fruit drop. In particular, solanaceous vegetables and some fruits and vegetables are susceptible to settling when the temperature is too high or too low to allow fruits to stand, using 2,4 dichloro-l-oxygenoacetic acid (2,4-D), anti-alkaloids, Tomatoes and other flowers can effectively prevent flowering and fruit drop, and promote fruit enlargement. Second, gibberellic acid gibberellins can promote cell elongation and division, promote stem elongation and growth, can partially replace the light and low temperature conditions, and promote flowering, especially after long-day treatment of some vegetables, gibberellin content increased The stems are elongated, and the stem tips differentiate the flower buds, which then bloom quickly. However, there are more than 90 kinds of similar compounds of gibberellin, gibberellic acid is commonly used in production, commonly known as 90%. 1, to promote germination. At present, it is mainly used for potato germination. The application concentration of gibberellin is 0.5-1 parts per million. Soak the potato seeds in the gibberellin solution for 10-20 minutes and then sow. Can germinate soon. 2, to promote growth. Vegetables sprayed with about 10 parts per million of gibberellin can promote the growth of stems and leaves of spinach, celery, etc. Generally, the growth is accelerated within 3-4 days of spraying, and the growth is fastest after 7 days after spraying. 3, promote the occurrence of male flowers. Melon vegetables are different plants of different sexes. In early spring cultivation, cucumbers, squashes, etc. often lack male flowers in the early stage of growth due to low temperature and weak light, making the pollination result very difficult. If the growth point is sprayed with 50-100 parts per million of gibberellin solution in the seedling stage of 4-5 leaves, the occurrence of male flowers can be induced. In the breeding work, gibberellin can also be used to induce the occurrence of male flowers, so that all-male cucumber varieties produce male flowers and promote breeding. Third, cytokinins Cytokinins can promote cell division and enlargement, promote short-day flowering, and even promote long-day plant flowering. Cytokinin can also promote the germination of lateral buds, break the apical dominance, delay aging, and prolong the flowering period. The cytokinin compounds commonly used in production include more than 10 kinds of cytokines such as kinetin, cytokinin and nitrokinase. The main use of 6-benzyl adenine (6BA) in vegetables, the main role is to promote the expansion of fruit melon vegetables. Abscisic acid Abscisic acid is a substance that inhibits the growth of plants. Abscisic acid partially replaces the effect of short days and promotes the flowering of some short-day plants under long-day conditions. Abscisic acid compounds include piperylene compounds such as terpenoids. Currently, only one type of abscisic acid is used in production. 5. Ethylene ethylene is a volatile gas. Although it plays an important role in the growth and development of vegetables, it is difficult to directly use it in production. Nowadays, people mainly use an agent capable of releasing ethylene, which is called ethephon. Ethephon is stable under strong acid conditions, but after dilution or alkali neutralization, the acidity decreases (weakly acidic), and when the pH rises to 4, ethylene begins to evolve. After ethephon is absorbed by plants, it enters the plant. Because of the higher pH in the plants, ethylene is released, resulting in regulatory effects. The actual production application is mainly in the early spring cultivation of tomato and fruit processing in late autumn. When the fruit is fully grown (peel white), the use of ethylene can speed up the redness. In addition, ethylene can also promote the occurrence of female flowers, and this effect is just the opposite of the effect of gibberellin. You can increase the number of female flowers. 6. Inhibitors and retardants can slow the cell division and cell elongation of ornamental plants, control plant shape, short stems, promote flowering or inhibit flowering. Commonly used are qinggansu (MH), triiodobenzoic acid, chlormequat (ccc), Bijiu (B9), dildoamine, phosphine, orthotropin, paclobutrazol, and uniconazole. What to pay attention to in the application First, there are many pharmaceutical agents that produce the same effect when performing preliminary experiments. Different plants respond differently to different agents. According to the existing medicaments, it is best to make a small number of comparative experiments, and the effect can be observed after 1 week. Then select a large area of ​​application with significant effects, small side effects, convenient use, and low cost. Due to the diversity of factors such as geographical climate, soil conditions, variety resistance, and environment, even if there are reports on the use methods and concentrations, comparison experiments should be conducted first. Not doing comparative experiments is dangerous. You can first select 3-5 strains for typical use, and observe them after a few days. If there is no abnormality, you can use them in large areas. Note that preliminary experiments are necessary measures to ensure that there will not be a large area of ​​damage to crops. This step is very important! Second, the concentration, time and location through the data search and preliminary experiments to determine the correct use of concentration and use time. This concentration and time cannot be changed at will. According to actual needs to determine the treatment site, and then do preliminary experiments. Third, according to different types and varieties of vegetables to adjust the type of pesticides and the use of the concentration of plant growth regulators, the use of effects due to different types of vegetables, varieties, and environmental conditions vary. If 2,4-D is used to promote fruit set in tomato, when the temperature is low, it needs to use the concentration of 20 parts per million, and when the temperature is high, the concentration should be reduced to 10 parts per million; and for the small fruit type of tomato The concentration should be lower than that of the big fruit type. Fourth, pay attention to the use of supporting cultivation measures Plant growth regulator is not a panacea, in use, it should be coupled with good cultivation and management measures. For example, when ethylene induces female flowers of cucumber, a large number of female flowers are produced, but because the fertilizer and water do not keep up, a large number of fallen flowers result in fruit drop, and more female flowers lose their significance. Examples of the use of several vegetables I. The ethephon concentration of 100-200 parts per million of cucumber is sprayed at the 1-3 leaf stage of cucumber seedlings to increase the number of cucumber female flowers. If necessary, it can be sprayed once every other week; Second, the concentration of 200-500 parts per million of watermelon paclobutrazol in the watermelon stretched vigorously sprayed the entire plant, each separated by 10 days, even sprayed 2-3 times, can prevent the watermelon running rattan, increase the fruit setting rate; parts per million 0.2 of 2,4-D sprays the entire female flower to promote fruit setting. Concentrations of more than 25 parts per million produce phytotoxicity. 3. Squash 20-30 parts per million (2,4-D) smear the base of the open female flower style to promote fruit setting. Be careful not to reapply. IV. Ethephon 100-200 parts per million in the true leaf stage of seedlings 1-2, spraying the leaves to promote female flower differentiation, early melon, melon fruit, more than 30% increase in production. 5. About 50ppm of C. oleoresin tomato When the tomato seedlings are found to have leggy conditions, each plant is watered with 100-150 ml, and the tomato plants can be dwarfed. The main stem is stout and the root system is developed so as to promote the emergence of tomatoes. Flowering and fruiting, and can increase stress resistance; 2,4-D liquid soaking flowers at 10-25 parts per million (decreasing with temperature), once in 2-3 days, can be soaked in quick opening and already open The flowers are effective, but they must not be repeatedly immersed and must not be used on preserved tomatoes. Distilling 2000 tons of ethephon at a density of 20% of the tomatoes that have already been picked can make the tomato red in advance. The soaking time is 10 seconds. Within, take out the dry medicine night, stack in a hotbed and keep it ventilated. Sixth, eggplant cytokinin 6000 times liquid dipping eggplant seeds 8-12 hours and then sowing, can promote eggplant seedlings; 20-50 parts per million (with increasing temperature) and 2,4-D liquid immersion flowers, Once in 2-3 days, it is best to take medicine within 1-2 days before flowering. Soak one flower in the middle of medicine night. However, be careful not to repeat immersion or use on preserved eggplants. 7. Fresh oranges of 2000-3000 parts per million of cabbage are sprayed after the flower buds of cabbage have been differentiated and not yet elongated, and about 50 liters per mu are used; 2 g of brassin lactone is dissolved in cold water with 0.2 liters of warm water. 15-20 liters, stir well. Spraying during the cabbage rosette period can increase production by 15-30%. 8. Soaking the seeds of lettuce with 6-BA per 100 parts of lettuce for 3 minutes can increase the germination rate of the lettuce seeds by 67%; the freshness of 2,500 parts per million of the green pigment should be sprayed 2-3 times when the stem of the lettuce begins to expand. Can significantly inhibit bolting flowering, promote stem thickening, increase production. Nine, 20-50 parts per million gibberellin of the celery is sprayed twice a day for 7 days before harvest of celery, and can increase production by more than 20%; 2 grams of brassinolide is dissolved in 0.2 liters of warm water. With 15-20 liters of cold water, mix well, and spray the celery at the seedling and growth stages can accelerate the growth of celery, tender plants, soft fibers and increase production. X. 100-150 ppm of paclobutrazol is sprayed on the leaves of radish leaves after closing the field. 30-40 liters of liquid per acre can suppress radish and promote photosynthesis, which can increase production by 10-20%. 2 grams of brassinolide is dissolved in 0.2 liters of warm water and mixed with cold water (15-20 liters), mixed well, and sprayed in the radish rosette stage to increase production by 15-50%. (Note: One millionth is basically equivalent to 1 mg/l or 1 g/t).
Pain Relief Patch for neck shoulder, lower back and leg.
Pain Relief Patch For Neck Shoulder,Lower Back And Leg Pain Relief Patch,Pain Relief Pad,Pain Relief Plaster,Neck Pain Relief Patch,Back Pain Relief Pacth Shandong XiJieYiTong International Trade Co.,Ltd. , https://www.xjplaster.com
[Name] Medical Cold Patch
[Package Dimension] 10cm×12cm 2pieces/box
The pain relief patch is composed of three layers, namely, backing lining, middle gel and protective film. It is free from pharmacological, immunological or metabolic ingredients.
[Scope of Application] For cold physiotherapy, closed soft tissue only.
[Indications]
The patches give fast acting pain relief for strains, sprains, cramp, bruises, swollen areas or joint stiffness.
[How To Use a Patch]
Tear off the packaging bag and remove the patch. Remove the protective film and apply the patch on the skin. One piece, one time. The curing effect of each piece can last for 8-12 hours.
[Attention]
Do not apply the patch on the problematic skin, such as wounds, eczema, dermatitis,or in the eyes. People allergic to herbs and the pregnant are advised not to use the medication. If swelling or irritation occurs, please stop using and if any of these effects persist or worsen.notify your doctor or pharmacist promptly. Children using the patch must be supervised by adults.
[Storage Conditions]
Store below 30c in a dry place away from heat and direct sunlight.