After the beginning of spring, the sales of seedlings in Yunnan and Sichuan, the main production areas for carnation cut flowers, are in full swing, and growers are busy planting seedlings. Light, temperature, water, and fertilizer are the four major factors for the growth of fresh cut flowers. The temperature and lighting conditions in southwest China are all favorable. In addition to water and fertilizer, pest and disease control at the seedling stage of carnation is also very important. These three points need to cause the growth of growers. Pay attention.
Watering is the key to survival
The water in the four elements is very important for the growth of the carnation seedlings. The main producing areas such as Kunming and Xichang have very little precipitation in winter and spring, and the climate is arid, which is detrimental to the production of carnations. The growers need to diligently water the seedlings to protect their growth needs. According to Zhao Peifei, a flower plant of the Yunnan Academy of Agricultural Sciences, the "fixed root water" of the seedlings of the carnation is the key to affecting the survival rate of the seedlings. Before the next seedling, the soil should be watered once to ensure that the soil reaches higher humidity. In spring, the soil is particularly dry. If it is directly planted, the soil will not only promote the growth of the seedlings, but will instead absorb the water in the seedlings and cause the seedlings to die. After the cultivation is completed, watering is performed once more. This watering time will be soaked. The spring winds are large, so don't worry about pouring more water.
Fertilization at Seedling Stage
Carnations like soils with good fertility, and require good aeration and drainage. They are best enriched with humus, mixed with 30% to 40% of the volume of crude organic matter, and can also be mixed with perlite. If the soil has basal fertilizer, thin fertilizer may be applied after the next 15 days. If there is no basal fertilizer in the soil, the amount of fertilizer should be increased as appropriate. Zhao Peifei said: “After the seedlings are completely alive, nitrogen, phosphorus, and potassium fertilizers must be applied. These elements are needed for the production of carnations, but nitrogen fertilizers are needed for growing seedlings. Nitrogen fertilizers are beneficial to the growth of young seedlings, and can be increased later. Phosphate Fertilizer and Potassium Fertilizer Dosage.†In addition, do not spray on the foliage as much as possible during the fertilization. Sprinkle on the root soil. The frequency of fertilization is appropriate from 7 days to 10 days.
Light does not hinder more pests
Carnations are accumulating long-day plants. The longer the sunshine time accumulates, the more they can promote flower bud differentiation, thus leading to early flowering, increased flowering, and improved uniformity of flowering. Zhou Peisheng, deputy general manager of Tianxi Gardening in Xichang, Sichuan, said: “The light intensity of the two main producing areas in Kunming and Xichang in spring is not high, which is more suitable for the growth of carnations. There is no need for shaders and other facilities for growers. When it rises, it is possible to properly increase facilities such as shade nets in the summer, and the increase in temperature will lead to an increase in insect pests, and more common are locusts and thrips, which can be treated with different brands of insecticides. To prevent insect pests from causing leaf distortion, relative to insect pests, the disease of carnations at the seedling stage is not much, and black spot and fusarium wilt caused by Fusarium may appear at a later stage, and alternatives such as chlorfenone and chlorothalonil can be used for prevention.
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