The latest causes of abnormal growth of cucumber faucet and its control measures

The top growth point of cucumber is called the faucet. Whether the cucumber plant grows healthily or not depends on the growth of the bibcock. Under normal circumstances, the top leaflet of the faucet is green, yellowish green and light yellow, with uniform color and no diseases and insect pests. But in the cultivation process, the bibcock often appears rotten head, yellow head and so on, how is this to return a responsibility? Let's get to know it with the editor.

1. Drug damage

Cucumber has serious diseases in the process of growth. in order to control diseases, many farmers often increase the concentration of pesticides or mix pesticides at will to control diseases, which is very easy to cause drug damage. After the occurrence of drug damage, it will be characterized by withered or yellowed leaf margin, deformed leaves and fruits, spots or disease spots. Therefore, in the prevention and control of diseases and insect pests, we must strictly control the concentration and dose, do not over-use of drugs, try to avoid mixing drugs, especially with copper preparations, so as to avoid drug damage, resulting in abnormal leading.

2. Disease

Disease is also one of the causes of rotten head and yellow head of cucumber, such as scab, gray mold and so on, and brown spot will also cause a large number of yellow spots on the top leaves of cucumber, forming yellow head. It is easy to cause cucumber rot in winter low temperature season, while other cucumber bacterial edge blight, scab, gray mold and gray blight can cause cucumber rot. Therefore, when the disease causes abnormal growth of cucumber faucet, we should first distinguish which kind of disease is caused, and then take the right medicine to prevent and cure the disease.

3. Element deficiency

Element deficiency is also one of the reasons for abnormal growth of cucumber faucet. When the plant is deficient in zinc and iron, it is easy to turn yellow, first the parietal leaves turn yellow, and then the yellow leaves expand from top to bottom, and then the leaf margin is necrotic and withered gradually; while in the case of calcium deficiency, it is easy to cause rotten head, first, the top leaves begin to rot from the leaf edge or between leaves, and finally lead to the disappearance of cucumber growth point. Therefore, it must be balanced when applying fertilizer, not only pay attention to the balance between organic fertilizer and chemical fertilizer, but also pay attention to the balance of trace elements and medium elements, and supplement calcium fertilizer in time to avoid causing rotten head caused by element deficiency.

4. Hormone poisoning

In dipping melons, excessive concentration or spatter on cucumber leaves and vines will lead to cucumber hormone poisoning, which will also lead to abnormal growth of the faucet. After the occurrence of hormone poisoning, the leaves begin to yellowing, the top piece is hard and brittle, the growth is slow or even stops growing, so when dipping melons, we must control the drug concentration and be careful.

The above are the reasons for abnormal growth of cucumber faucet and control measures, hope to help you, want to know more related knowledge, please pay attention to us.