Yellow leaves and rotting roots won't bloom? Just 2 steps to solve the problem
Yellowing leaves, rotting roots, and abnormal flowering are typical early warning signals in potted plant care. According to statistics, 80% of plant wilting cases are caused by abnormal soil conditions, and correct diagnosis can extend the life of potted plants to over ten years. This article guides you through a systematic detection process to accurately locate the root causes of plant diseases.
Core Diagnostic Process: Soil Environment Testing
Basic Indicator Three-Step Detection Method
1. Moisture probe method: Insert a wooden chopstick into the potting soil at a depth of 5cm, and observe the color change after 20 minutes. Deep color water stains indicate severe waterlogging, while light color traces reflect insufficient moisture.
2. Fertility Spectral Detection: Healthy soil is deep brown and emits a humus smell, while grayish-white soil needs to be immediately supplemented with decomposed sheep manure fertilizer (50g per liter of soil).
3. Dynamic PH Balance: Use an electronic tester to continuously monitor for 72 hours. If the value fluctuates outside the range of 5.5-6.8, it needs to be adjusted with a citric acid solution (PH7).
Root Repair Surgery Practical Guide
Four-Level Root Treatment Standards
1. Mild Rot (≤10%): Trim and soak in EM bacteria solution (1:200) for 30 minutes.
2. Moderate Infection (11-30%): Cut off the diseased roots and apply cinnamon powder to kill germs.
3. Severe Lesions (31-50%): Use medical hydrogen peroxide (3%) to disinfect the wound.
4. Critical Condition (>50%): Retain healthy aerial roots for cutting rescue.
Environmental Control Technology System
Lighting Intelligent Management System
Install a LUX light meter for real-time monitoring:
- Foliar Plants: Maintain 8000-12000LUX
- Flowering Plants: Flowering period requires 15000-25000LUX
- Succulent Plants: Use intermittent supplemental lighting mode (strong light for 2h + shading for 1h cycle).
Humidity Gradient Control Scheme
1. Tropical Plant Area: Configure an ultrasonic humidifier (daytime 70% RH, nighttime 85% RH)
2. Desert Plant Area: Install a circulating fan (maintain 45% RH continuously)
3. Temperate Plant Area: Use a ceramic bead water tray evaporation system (stable at 60% RH)
By establishing a monthly soil test record and combining with quarterly root scanning imaging technology, potted plant lifecycle management can be achieved. Practice data shows that using this scheme to care for green plants increases the three-year survival rate to 98% and the average flowering amount increases by 2.3 times. Remember: Healthy potted plants = Scientific diagnosis × Precise intervention.