The reason why lilies grow too long and do not bloom
Lily has become the favorite of family green plants because of its elegant flower appearance, but many flower friends have found that the plants are crazily rising but the buds are not visible. The phenomenon of excessive growth not only affects the ornamental value, but also directly leads to the obstruction of flowering. This paper deeply analyzes the causes from three key maintenance dimensions and provides scientific solutions to promote flowers. 1. Improper light management causes excessive growth 1.1 The harmful mechanism of insufficient light lily needs to receive 4-6 hours of direct light every day to complete flower bud differentiation. Long-term exposure to a low light environment of less than 2000lux will trigger the survival mechanism of the plant, through stem elongation competes for light resources, resulting in excessive energy consumption during the vegetative growth stage. 1.2 Scientific filling light solution can accept full sunshine maintenance in spring and autumn, and 40% shade needs to be provided between 10:00 and 15:00 in summer. When using an illuminance meter to detect, if the value continues to be lower than 3000lux, it is recommended to add an LED plant fill light and extend the light for 2 hours every day. 2. Imbalance of water regulation affects bud pregnancy 2.1 Dynamic relationship between humidity and growth When soil water content is greater than 70% for a long time, root respiration is blocked, leading to abnormal ethylene synthesis and stimulating excessive secretion of gibberellin. This hormone imbalance can accelerate the longitudinal division of cells, forming "falsely tall" plants. 2.2 The practical operation steps of precise water control adopt the "see dry and see wet" method: the surface soil is poured thoroughly when it is dry to a depth of 2 cm, and it is combined with ceramsite paving to enhance air permeability. In case of continuous rainy weather, you can insert bamboo sticks along the edge of the basin to monitor humidity, and turn on the circulation fan simultaneously to enhance air circulation. 3. Imbalanced nutrient supply hinders differentiation 3.1 The synergistic effect of nitrogen, phosphorus and potassium nitrogen promotes chlorophyll synthesis, but excessive amount will inhibit the formation of flower bud primordia. The ideal N-P-K ratio should be adjusted with the growth cycle: 3-1-2 in the growth period, 1-3-3 in the bud pregnancy period, and stop fertilization in the full flowering period. 3.2 Precise fertilization schedule Buried bone meal as base fertilizer during planting, and applied 20-10-10-10 water-soluble fertilizer diluted 1000 times every half month during the leaf expansion period. Apply potassium dihydrogen phosphate (concentration 0.2%) to the leaves 30 days before bud appearance, twice a week until the flower buds develop color.
By systematically regulating the four major elements of light, warm water and fertilizer, and regularly rotating flowerpots to ensure uniform light reception, the phenomenon of excessive growth can usually be improved in 2-3 growth cycles. It is recommended to irrigate roots once a month with growth regulators (such as 150ppm paclobutrazol), which can effectively dwarf plants and promote flower bud differentiation. Record maintenance logs, compare the effects of different treatments, and gradually establish a lily flower promotion plan suitable for your own environment.