Can Jasmine still live when its yellow leaves appear?
White and fragrant jasmine flowers are a popular choice for home gardening, but when the leaves gradually turn yellow, flower friends always worry about whether the plant will survive. In fact, Jasmine is an evergreen shrub, and the yellow leaf phenomenon needs to be judged based on specific symptoms. As long as scientific treatment methods are mastered, the plant can fully regain its vitality. Analysis of the causes of yellow leaves of Jasmine flowers. The physiological metabolic cycle of the old leaves naturally yellows and falls off in spring and autumn every year, and the branches and tips germinate new buds. This is a normal replacement phenomenon of old and new plants. At this time, you only need to clean up the fallen leaves and maintain regular maintenance. Improper maintenance affects When new leaves appear yellow spots, veins lose green, or the entire plant wilts, you need to be vigilant about the root condition. If the base of the pinched stem is in a soft rot state, it is often accompanied by a crisis of root rot, and the survival rate is less than 30%. The four-step yellow leaf saving plan soil improvement project needs to replace the acidic substrate (pH 5.5 -6.5) every two years in the northern region. It is prepared according to the ratio of legus soil: pine needle soil: river sand =5:3:2. When changing pots, add 5% sulfur powder to adjust the pH value. Light, temperature, water and fertilizer control ensures direct light for 4-6 hours a day in spring and autumn, and 40% shade is covered at noon in summer. Use the "see dry, see wet" watering method, combined with alum fertilizer water (ferrous sulfate: cake fertilizer: clear water =1:5:100) and apply it twice a month. Temperature protection mechanism maintains a wintering temperature of 12-15 ° C in winter. Before the cold wave comes, a simple greenhouse is built with PE insulation film, and 5 cm thick pine bark is laid on the ground to increase the ground temperature. Establish a long-term prevention system and establish a maintenance log to record the water and fertilizer cycle, and use a pH detection pen to regularly monitor the soil pH. Set up reflective panels on the balcony to enhance light, and spray mancozeb in advance during the rainy season to prevent leaf blight.
Through systematic diagnosis and precise intervention, more than 90% of yellow leaf problems can be effectively solved. It is recommended that flower lovers take photos and record them in time when they discover the initial symptoms, and implement them step by step according to this plan to keep the jasmine flowers blooming and fragrant.