Potted Lily Facilitates Cultivation Techniques

Lily, with beautiful flowers, attractive colors, and the meaning of Pepsi, is a symbol of beauty and dignity. It is loved by people and has become one of the main potted flowers of the Spring Festival. There are some special requirements in the process of cultivation and management of potted lilies for the Spring Festival.

First, the cultivation of potted lily for the Spring Festival

1. Variety selection and flowering forecast. The potted lily used for the Spring Festival is an off-season-promoted cultivation, so it has high requirements on the environment and cultivation techniques. First of all, you should grasp the following principles when selecting varieties: â‘  plants grow robustly and the height is below 70 cm; Not high; â‘¢ A large number of flowers, bright colors, preferably the red series; â‘£ The growth cycle is within 4 months.

The prediction of flowering period is related to the economic benefits of the entire production. Too early or too late will greatly reduce the benefits. Therefore, when ordering seed bulbs, you should understand the ecological habits, growth cycle and accumulated temperature of the variety in detail in order to correctly predict the flowering period.

2. Preparation of cultivation substrate and disinfection of bulbs. The ideal substrate should be nutrient-rich, have good air permeability, high water holding capacity, and good chemical properties. Different lily varieties have different requirements for the pH of the substrate. The pH of Asian and musk lily types is between 6-7, while the pH of oriental lily is 5.5-6.5. The main components of the lily potted substrate are peat, perlite (or vermiculite), and garden soil, which are prepared according to 4: 2: 4. After the preparation, the substrate should be fully disinfected. In addition, the bulbs should be sterilized before planting, and dried in the shade and planted.

3. Planting of bulbs. When planting, you should choose the bulbs of the same size and no pests. At the same time, the number of bulbs should be determined according to the specifications of the bulbs and pots. When planting, the bottom of the flower pot is filled with a 5-7 cm thick substrate, and the bulbous buds are evenly distributed in the flower pot upwards, and watered immediately after planting. When the bulbs sprout out of the ground and the leaves are not expanded, if you find that the seedlings are not evenly distributed in the flower pot, you can carefully lift the lily and re-plant it uniformly.

Management of potted lilies for the Spring Festival

1. Leaf burning phenomenon. The potted lilies used for the Spring Festival, from the beginning of the buds to the stage when the stems begin to elongate, mostly cause leaf burns, that is, the young leaves around the buds are water-soaked or even fall off, which will seriously deform the entire plant. Affect product quality. The main reasons for this phenomenon are: first, the characteristics of the variety itself; second, the temperature is too high in the early stage of bulb growth; third, the total salt content in the cultivation medium is too high. Leaf burning is a physiological disease. Do not apply any pesticides. The following measures can be used: â‘  artificially separate young leaves and flower buds. If water drops are found, water must be absorbed with cotton wool or paper towels; â‘¡ Apply less or no chemical fertilizer before burning; â‘¢ under the premise of not affecting the normal growth of the plant, as little watering as possible and appropriately increase ventilation; â‘£ before planting, if the salt content of the cultivation substrate is high, rinse with water multiple times to reduce the root system of the plant The surrounding salt concentration.

2. Temperature management. In the first two weeks of lily planting, the temperature should be controlled at about 4-13 degrees Celsius, and the temperature can be gradually increased in the future to promote the growth of stems and roots. If the temperature is too low, the growth period of the lily will be prolonged. If the temperature is higher than 25 degrees Celsius, the root-shoot ratio of the potted lily will be out of balance, which will cause the product quality to decrease.

3. Water management. Since water will affect the total salt content of the cultivation substrate, the salt content of the irrigation water should be 0.5 mS / cm or less. Watering is best done in the morning or during periods of low temperature. When the lily is budding, the watering frequency should be appropriately reduced, and water cannot be poured on the leaf surface to avoid leaf burning. After the leaf burning period is over, watering can be sprayed. Especially at high temperatures, spraying water on the leaves can not only keep the leaves bright green, but also avoid high temperature burning. In the late stage of flower bud growth, you should keep sufficient water to avoid shrinkage due to falling buds or buds.

4. Fertilizer. Lilies are bulbous flowers, and fertilizers can be applied 2-3 times during the growth period. Do not fertilize the stems and roots. After the leaf burning was completed, nitrogen fertilizer was the main supplemented by calcium, phosphorus and potassium. The first fertilization was mostly calcium nitrate, approximately 5 grams per pot. For the second fertilization, potassium nitrate can be applied during the flower bud growth period.

5. Lighting. Potted lilies have different requirements for light intensity in different growing seasons. Shading treatments are needed during the bud stage. If the leaf temperature is too high, they should be shaded appropriately. In other growth periods, light needs to be enhanced, especially during flower development.

6. Relative humidity and ventilation. Potted lilies require 80% to 85% relative humidity in the air. Too high relative humidity will cause a variety of diseases, and too low will affect the normal growth rate of plants. When ventilating, avoid drastic changes in the relative humidity of the air, otherwise the quality of the product will be reduced. During leaf burning, ventilation can be appropriately increased to reduce leaf burning.

7. Diseases and insect pests and their control. Common diseases of potted lilies include gray mold, blight and penicillium rot. The control methods are to keep the environment as ventilated, low light and low humidity as possible; Tobbutin or chlorothalonil can be used for prevention and cure; rot disease can be controlled with methanonium; penicillium rot can be controlled with metalaxyl manganese-zinc wettable powder, bactericide alum wettable powder, Dupont-Clu wettable powder. The main pests are aphids and whiteflies, which can be controlled with omethoate.

Third, harvest sales

When the first flower buds are fully colored, potted lilies are ready for sale. If long-distance transportation and sales are required, the potted flowers should have sufficient moisture before the transportation, and appropriate lighting should be added to prevent yellowing of the leaves.

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