The reason why the side leaves of Clivia are rotten
Clivia is a popular leaf-viewing plant, and leaf health directly affects the overall ornamental value. When discovering that the side leaves of Clivia are rotten, flower friends are often at a loss. This paper will systematically analyze the causes and treatment plans of rotten leaves from pathological mechanisms to practical maintenance. In-depth analysis of the causes of rotten leaves of Clivia. Mistakes in water and fertilizer management determine the characteristics of Clivia's fleshy roots that are intolerant to waterlogging. Experimental data showed that the humidity of the basin soil continued to exceed 70% for 48 hours, and the root respiration rate was as high as 83%. What should be noted is that water droplets left in the heart of the leaf when watering at night will form a mirror effect and burn the leaf tissue in a closed environment. Improper environmental control When the temperature difference between day and night is greater than 12℃ or the air humidity is less than 40%, plant stress response will reduce disease resistance. Studies have confirmed that a temperature environment outside the range of 15-25℃ will increase the incidence of soft rot by 3.5 times. During window sill maintenance in winter, contact of leaves with low-temperature glass is a common cause of frostbite. Fungal diseases infected by pathogenic microorganisms account for 78% of leaf rot cases in Clivia, of which Phytophthora and Fusarium are the most common. Microscopic observation shows that pathogenic bacteria spores can form a mycelial network on leaf wounds by watering, and can break through the plant cuticle within 24 hours. The four-step first aid and long-term maintenance plan The standard process for wound treatment adopts the principles of surgical debridement: ① Medical alcohol disinfection knives ② Resect the lesion 3mm along the healthy tissue ③ Hydrogen peroxide flushing the wound surface ④ Apply charcoal powder to isolate bacteria. Pay special attention to the hidden decay points at the base of the leaf sheath, which need to be thoroughly cleaned up. Root recovery technology Rinse the roots with warm water at 30℃ after removing the pot. The rotten roots appear translucent and need to be completely cut off. It is recommended to use a transitional matrix with perlite: vermiculite =3:1, combined with 0.1% indole butyric acid solution to promote new roots. During the repair period, air circulation was maintained and the relative humidity was controlled at 60-65%. Establish a long-term prevention mechanism to establish a periodic maintenance log to record water and fertilizer data and plant status. It is recommended to use a siphon water supply device and cooperate with an EC value detector to control the concentration of nutrient solution. Bacillus subtilis and Trichoderma harzianum are used alternately every 15 days in spring and autumn for biological control.
Through tracing the causes and scientific disposal, the problem of rotten leaves of Clivia can be effectively controlled. The key is to establish a maintenance concept of "prevention first, treatment supplemented", regularly observe the state of the plant, and adjust the maintenance strategy in a timely manner, so that Clivia can maintain its straight and elegant leaf appearance.