Key points of monthly cultivation and Management of Orchid (February)

Key points of monthly cultivation and Management of Orchid (February)

(1) pay attention to the weather and guard against frost injury. There are two solar terms this month: the Beginning of Spring (4th or 5th) and Rain Water (19th or 20th). Although the average temperature of this month is about 2-3 degrees higher than that of January, except in the tropics and subtropics, the daily lowest temperature in China is below zero, sometimes there is a cold spell, and the weather is still very cold. Orchid maintenance is still based on anti-freezing, close the window in time at night to prevent frost damage. However, in sunny weather from 10:00 to 4 pm, proper windows should be opened for ventilation to prevent blotches on the suffocated leaves of orchids. (2) get rid of the weak and stay strong, and sparse the bud properly. After a winter dormancy, the bud begins to grow faster. According to the strength of the potted orchid, and in line with the principle of removing the weak and staying strong, the magnolia should sparse the buds in time for the new buds after the Beginning of Winter and the buds from the dragon grass (old grass). Generally, the potted strong grass Chunlan leaves 2-3 buds, and the cymbidium leaves one bud. In this way, nutrients can be concentrated, which is beneficial to Lanhui's opening products. (3) spraying foliar fertilizer properly. When the land returns to spring, the orchid bud begins to sprout and can be applied with extremely thin fertilizer, but generally do not apply organic fertilizer or inorganic fertilizer, but mainly foliar application of inorganic fertilizer or biological bacterial fertilizer to promote the vitality of new buds and ensure the nutritional requirements for the growth of new buds. (4) clean orchid room, insecticidal and sterilization. As the temperature rebounded, diseases and insect pests began to recover slowly, in a "budding" state. Orchid farmers should prepare for active prevention in advance, cut off the tips of yellow leaves, diseased leaves and scorched tail leaves in time, and carry out a comprehensive insecticidal disinfection of orchid utensils and places, but pay attention to spraying medicine in the sunny morning, the liquid should not be too strong, so as not to harm the blue bud; the dosage should not be sprayed too much, so as not to pour into the leaves and buds to cause rotten heart and buds. (5) this month, the orchids, lotus petals and spring swords are in full bloom one after another. These orchids should be maintained in an environment with high air humidity and temperature. The general humidity should be controlled above 50% during the day, and the average temperature is 10-22 degrees. Such an environment is conducive to the opening of orchids in place and enhance its ornamental. (6) in this month, the stamens of Cymbidium are gradually pulled up, and it is appropriate to keep the basin soil moist, and pay attention to the changes of the thickness, thickness and thickness of the ribs, sand halo and color of each layer during the growth of famous flowers, so as to gain the experience of distinguishing famous products from downhill grass.