Five solutions to the yellowing of chrysanthemum leaves

Chrysanthemum has many varieties and beautiful colors, so it is a good ornamental flower, and it is also the most popular flower variety, but if you don't pay attention to it, it will cause the leaves of chrysanthemums to turn yellow, which will reduce the ornamental value of chrysanthemums. Let's take a look at the reasons for the yellowing of chrysanthemum leaves and how to solve them:

What if the chrysanthemum leaves turn yellow?

1. Soil bias

Chrysanthemum likes fertile, permeable and acidic soil. The soil with a high PH value of 7.5 can easily lead to the defoliation of the lower part of chrysanthemum or yellowing of the leaves of the whole plant. Solution: often pour fermented rice washing water or Rain Water.

2. Too much watering

Too much watering leads to long-term wet soil water, poor air permeability and even partial fibrous root rot, showing that the young leaves of chrysanthemum are dark yellow and dull, and the new shoots shrink. Solution: the principle of watering chrysanthemum is that the pot soil is dry, not dry and thoroughly. Summer climate is hot, basin soil is easy to dry, should be fully watered, but can not be watered at noon, fully watered in the morning, dusk basin soil dry can be watered again. Pour water into the side basin after the rain. Prevent soil from splashing on the leaves when watering.

3. Too little watering

Because the chrysanthemum has not been watered or dehydrated for a long time, the new leaves have normal leaf color, but the lower leaves gradually dry yellow and fall off and age. Solution: adequate watering is needed during the growth of chrysanthemums, and the basin soil can be watered again after drying, but pay attention to not watering when the sun is strong at noon.

4. Excessive fertilization

Excessive fertilization of chrysanthemums can also cause yellowing of leaves. Solution: chrysanthemum fertilization should master more thin fertilizer, after seeing the bud can be slightly thicker. Topdressing can be done with rotten bean cake, 2 parts of sesame oil dregs and 8 parts of clear water, once every 710 days. After budding, one part of fertilizer plus 3 parts of water and a small amount of potassium dihydrogen phosphate can be used for topdressing. After application, rinse away the fat and liquid on the leaves with clean water in time.

5. Harm of leaf blight

Leaf blight infection is one of the causes of yellowing and wilting of chrysanthemum leaves, which mainly harms the flowers and leaves of chrysanthemum. Solution: spray 500 times wettable ammonium or zinc every 15 days.

Chrysanthemum is a widely used flower, whether in home or courtyard and other places, the decoration of chrysanthemum is still very hungry, but the ornamental value of chrysanthemum needs to be paid attention to in conservation. Yellowing of chrysanthemum leaves will reduce the ornamental value of chrysanthemum. Therefore, we should pay attention to the above five chrysanthemum leaf yellowing solutions.