Effect of excessive fertilization on Orchid Plant

Proper and selective fertilization is a powerful measure to ensure the strength of the orchid plant. Insufficient fertility or incorrect selection will not cause fatal damage to the orchid plant, nor will it have a great impact on the growth and development of the orchid plant. However, excessive fertilization will cause negative effects on orchid plants in varying degrees, and serious cases can lead to death.

Fertilizer damage often harms the root and Reed head. Reed head and root are the source of orchid plant life, which should be paid great attention to. The root system of the orchid plant is divided into three layers: the first layer of root bark, which wraps the symbiote of the root system and absorbs the fertilizer in the plant directly; the second layer is the symbiote with large water content and crystal clear, and its main function is to convert and digest the fertilizer absorbed by the surface layer. The third layer is the root core of the orchid plant, which is responsible for transporting and transporting the nutrition and water needed for the growth of the orchid plant. The root function of the orchid plant is like our gastrointestinal function, which is responsible for absorbing, digesting and supplying the nutrition and water needed by the orchid plant. The three root layers of healthy orchid plants are all white or milky white. Yellow and black are signs of unhealthy roots. Fertilizer injury to the first layer of the orchid root will not have a significant impact on the growth of the orchid plant, and its harmfulness is small. It is easy to correct by careful observation, timely detection and proper adjustment of fertilization. When the fertilizer damage to the second layer of the root system, the fertilizer damage is more serious, at first the root system stops growing, the root tip becomes black and withered until the whole root system is ossified and absorbed. The digestive system is all paralyzed, at this time, the orchid plant has been in a very dangerous period, the growth period or vigorous growth period (after deliberate fertilization) should carefully observe the growth of the orchid plant, once the new seedling stops growing, it will cause great attention. There are two main reasons for stopping the growth of new seedlings: one is that the basal plant is overfertilized, and the new root buds suffer first, and the reaction is obvious; the other is the outbreak of germs, in both cases, the basin should be turned in time and corresponding measures should be taken in time. However, there are also a small number of orchid plants due to flowering or ramet late because of higher temperature, orchid plants do not have sufficient time to take the pot, a few new seedlings may stagnate or grow slowly, this is a normal phenomenon, there is no need to turn the pot. After the first and second layers of the roots of the orchid plant are ossified and necrotic, the orchid plant will not fall down. At this time, the orchid plant will only rely on the root core of the third layer to provide a certain amount of water to maintain its life. At this time, it will try its best to differentiate new buds and grow new roots, but the base plant in the basin is too fertile. When the new root grows to 4mur6 cm, the second layer of root cells may be destroyed. In this cycle, the grass can only grow smaller and smaller.

With the damage of the second layer of root cells, the orchid plant was on the edge of danger. At this time, the fertilizer damage continued to extend inward, invading the root core of the orchid plant, which gradually blackened and dried up after being invaded, and the whole absorption, digestion and supply system was declared paralyzed. Nevertheless, the orchid plant will not fall down soon, the nutrition and water in the Reed head can still support the leaves for a period of time, and the orchid plant is only one step away from death. Even if it is to turn the basin and change the soil, it will take 3-4 years for rejuvenation, and it will take at least 5 years to restore flowers. This kind of orchid plant management is very difficult, and all kinds of germs will take advantage of it, which will bother you very much.

Orchid plant cultivation, can only be in line with local conditions, take advantage of the situation, legislation according to the situation, there is no absolute.

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