Causes and treatment of yellowing of Chrysanthemum leaves

Chrysanthemum has a wide variety, bright colors and a wide range of uses, so it is also a very good choice as an ornamental plant. But we will find that in the maintenance process of chrysanthemum, there will be yellowing of chrysanthemum leaves, which greatly reduces the ornamental value of chrysanthemum. The editor will analyze the causes and solutions of the yellowing of chrysanthemum leaves for you.

Chrysanthemum

1. Soil alkalinity

Chrysanthemum likes fertile, permeable and acidic soil with a high PH value of 7. 5% soil can easily lead to the defoliation of the lower part of the chrysanthemum or the yellowing of the leaves of the whole plant. Solution: often pour fermented rice washing water or Rain Water.

Second, 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.

Third, 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.

IV. 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.

V. 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.

How to solve the yellowing of chrysanthemum leaves?

Chrysanthemum is a widely used flower, whether it is home or courtyard and other places, chrysanthemum decoration is still very common, chrysanthemum leaves yellow how to do? Let's take a look at the solution to the yellowing of chrysanthemum leaves.

1. Soil alkalinity.

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 reasons for the 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.

What about the yellowing of chrysanthemum leaves? what is the cause of yellowing?

Chrysanthemum is a valuable ornamental flower cultivated artificially for a long time, which can be found in cities and towns and rural areas of China. As an ornamental plant, chrysanthemum will have yellowing leaves, which will greatly reduce the ornamental value of chrysanthemum. What if the chrysanthemum leaves turn yellow?

What if the chrysanthemum leaves turn yellow:

Soil partial alkali

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. However, domestic waste water should not be used at will, which will affect plant growth.

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.

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.

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.

Leaf blight damage

Leaf blight infection is one of the reasons for the 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.