What is the reason why the chili leaves turn yellow? Is there any solution?

Farmers who grow chili peppers often encounter the problem of yellowing of pepper leaves. So, what is the reason for the yellowing of pepper leaves? What if the chili leaves turn yellow? In order to help farmers better understand the prevention and control measures of pepper leaf yellowing, this article will lead you to understand the causes and solutions for your reference.

First, the reasons for the yellowing of pepper leaves.

1. It is water yellow. Due to excessive watering, it is characterized by no obvious change in the old leaves and yellowing of the young leaves, which should be controlled immediately.

2. it is dry and yellow. Due to water shortage and drought, it is characterized by the yellow of the old leaves from the bottom up. If the water shortage time is a little longer, the whole plant will be yellow, or even die, so it should be watered in time.

3. Fat yellow. Caused by excessive fertilization or high concentration; characterized by thick, shiny and uneven young leaves; fertilizer, ploughing and watering should be controlled

4. Hungry yellow. It is caused by insufficient fertilizer, low fertilization concentration, and long interval of fertilization; it is characterized by yellow young leaves and tender stems. If you do not apply fertilizer in time after seeing this phenomenon, it will also cause yellow leaves and even death of the whole plant. For flowers lacking fertilizer, do not apply a large amount of thick fertilizer at one time, so as not to cause root burning.

5. Yellow leaves with iron deficiency. Due to the great change of soil fertility conditions, the phenomenon of yellow leaves often appears in the greenhouse, which is characterized by obvious young leaves, light old leaves, yellow mesophyll, green veins and a typical network, which can be solved by using ferrous sulfate solution. the method is as follows: 7 parts of cake fertilizer, 5 parts of ferrous sulfate and 200 parts of water.

II. Prevention and control measures for yellowing of pepper leaves

1. Measures for the treatment of viral chili peppers: when preventing viral diseases in chili peppers, we must first prevent diseases such as white stone powder and pests, because white stone powder or other pests can spread the virus and cause the treatment of plants in the later stage. the above difficulties, at this time you can also choose to use medicine to spray and control.

two。 Measures to prevent leaf mildew. When this disease occurs, it is recommended that you spray with daconine 700 to 800 times. Of course, you can also choose other effective ones to spray the juice of chili peppers, but when you are careful, after harvesting the fruit, you must clean up the pathogens in the field in time, bury them or burn them. Thus reducing the probability of the occurrence of this kind of leaf mold.

3. Measures to prevent whitefly. As a result, whitefly, this insect disease can be controlled with a small amount of dichlorvos, spraying, or optionally, pesticides that eliminate whitefly.

4. For measures to treat the yellowing of branches and leaves caused by drought, you can water the field, but the amount of watering must be well controlled, but you must pay attention to the appropriate amount of watering, and it is best not to water at noon when the weather is better. In that case, the roots of the plant will be lost, you can also consider watering some fertilizer to replenish the plant nutrients, and you can also apply leaf fertilizer to the ground.