Peony Chlorophytum disease I: Brown Spot

Symptoms:

In the early stage of infection, several yellow green spots will appear on the leaf surface, and brown or black spots will be formed in the process of gradually becoming larger

Prevention methods:

Spray Bordeaux liquid 1-2 times a month. The number of sprays shall be determined according to the severity of the disease. When it is very serious, spray it three times a month. In addition, seriously infected diseased leaves should be cut, burned or buried to prevent infection of more leaves

Peony Chlorophytum disease II: root rot

Symptoms:

It only invades the root, causing the root to blacken and rot, and slowing down the growth rate. If it is seriously invaded, the whole plant may die

Prevention methods:

Before separate planting, carefully check whether there is a diseased root. If there is, it must be cut off and burned in time before planting, and sprinkle some sulfur powder in the planting hole during planting

Common insect pests of peony Chlorophytum: Cotton blowing scale insects

Prevention methods:

1. Spray with Omethoate emulsion aqueous solution

2. In winter or early spring, apply stone sulfur mixture on the lower part of the branches

Reasons for yellow leaves of Paeonia suffruticosa:

1. Natural growth and metabolism

2. Direct strong light or no light for a long time

3. Excessive ponding and poor air permeability

4. Excessive or insufficient fertilization

Reasons for non flowering of peony Chlorophytum:

Excessive watering times and excessive amount. Because the potassium fertilizer required by plants is insoluble in water, and the nitrogen and phosphorus elements for stem and leaf growth are soluble in water, plants cannot blossom and fruit normally

Prevention methods:

1. Control watering

2. Proper illumination. Avoid exposure and no light

3. Rough management