Three major reasons that affect the shape and color of orchids. Only by creating external conditions can orchids grow orchids.

In recent days, some blue friends reflect that orchid flower art is unstable, sometimes the shape and color are very good, sometimes there is no art, what is the reason, the master raises the analysis of the following three reasons, for blue friends reference and reference:

1. Genetic influence on flower shape and flower color. Almost all the traditional varieties were selected for wild orchid variants. The common plum petal flower is the petal stamens, the butterfly flower is the petal sepal lip shape phenomenon. Only when the genetic plant is relatively stable can it be called a variety. However, some varieties can also have different flower shapes when the main characteristics are basically stable, such as spring orchid "Song Mei". In addition to typical plum petals, it can also open lotus petals and plum petals. Red dots can appear on the tongue, and there are no red dots. "Green cloud" can appear multi-petal, multi-lip, multi-flower and other phenomena.

The appearance of these phenomena is determined by genetic complexity and sometimes by cultural conditions. Genetic stability has not yet been expected products, often this year strange flowers and strange colors, next year is likely to turn into normal flower color, every few years can appear above. Only when the same type of flowers bloom for more than three consecutive years can a variety be selected. 2. The influence of environment on flower color and shape. Environmental factors include topography and climate factors. Topography includes soil, slope, aspect and so on. Climate factors are mainly temperature, light, heat, gas and so on. Under adverse environmental conditions, sometimes even deformed, or difficult to bloom. If located in the sunny slope of the mountain top, the wind is strong, the thin soil layer can be seen open orchids, if the cultivation conditions improve, they become normal flowers. Stones, branches and other external physical forces extrusion, blocking can appear odd petals, distortion, defects, yellow and other flower-shaped colors.

By covering the flower buds, the flowers can be turned white, such as "Cangshan Ruixue", which is made of Yunnan Xiaoxue, which is essentially a change of technology, not a variety. Low temperature at flowering stage can lead to slow flower bud development, smaller petals, lighter colors, and flower shape after rolling, such as orchid flowering in December, flower shape with thin petals and obvious color light red jade texture can appear. The formation of some yellow and red flowers is related to the soil elements in the growing place, especially trace elements.

3. The influence of cultivation and management on flower color and shape. When cultivated well, flower shape and flower color can reach the best state. Almost all spring orchid double scape flowers are expression of good growth time, such as Song Mei, Lvyun Zhang Hesu, etc., only when the leaves grow tall and straight, the number of leaves reaches the maximum, pseudobulb will appear. On the contrary, the original double flowers will become single flowers.

Water and fertilizer management had a great influence on flower shape from late flower bud formation to flowering stage. If it was dry for a long time, the bud would dry up, the flower peduncle would become short, the flower shape would be small, and the flower color would be dark. If watered too much, then appear thin and pointed petals long, anti-roll, fall shoulder and so on. When nitrogen fertilizer is sufficient, the flower shape grows well, plump, fresh and moist, when it is insufficient, the color is old green, the flower shape is small, etc., the coarse seedling flower forms dignified, the pedicel is high, and the flower shape is small and lifeless when the seedling is thin. Appropriate application of phosphorus and potassium fertilizer is beneficial to the health and straightness of flowers. When flowers are about to bloom, cotton and bamboo sticks are used to support sepals, which can improve the ornamental value of shoulder-dropping varieties. In short, the primary factor of short flower color is heredity, followed by external conditions. Only scientific cultivation according to the characteristics of varieties can satisfy the color.