Control of Common Diseases in Cucumber

Cucumber as a vegetable that we often eat, there are still a lot of people growing cucumbers, and some diseases will inevitably affect everyone's benefits when planting, so what diseases are easy to encounter? Today, the pro-agricultural network will give you a brief introduction of several diseases, so that you have a certain understanding.

1. Vine blight

Vine blight is a disease easily induced by wounds, and sometimes leaves are infected and spread to vines. The symptom of the disease is that the branches of the vines slowly turn yellowish brown, and then black spots begin to appear, and finally the vines wither and die. The time of onset is mostly concentrated in the rainy season, especially in the kind of plum rain. When the disease occurs, it can be treated with 30% chlorpromazine 600 times, or it can be sprayed to the soil in advance to prevent it.

2. Stem rot

Stem rot can easily lead to the death of cucumber seedlings, which is a disease that begins to rot from the roots. Mostly caused by bacteria, the initial performance of the whole plant has a yellowing tendency, and then the root will appear white mildew, and finally the rhizome will rot. This disease is mostly caused by grafting, so the prevention of germs must be done well after grafting, and the second is not excessive water application after handover. It is best to disinfect with 800-fold solution of 38% cuproloxil before planting.

3. Grey mold

Botrytis cinerea often occurs on leaves and flowers, which can easily affect the fruiting rate and cause plant wilt. The symptoms are brown-yellow spots on the leaves or flowers, then slowly expand the rot, and the rotten parts are attached to other places when they fall, causing a larger rot area. Once it appears, it can be treated in time with a 600-fold solution of 40% pyrimidine wettable powder or a similar sterile agent. The site of the disease should be removed immediately.

4. Brown spot

The disease often occurs in leaves and is highly contagious. Mostly due to the wet weather induced the germs of the plant itself, the disease is characterized by brown spots on the leaves, then slowly turn yellow and connected together, and finally the whole leaves are yellow, serious mildew will occur. Every day, once you find that the leaves turn yellow, you must carefully check whether there are leukoplakia and so on. 50% carbendazim wettable powder 500 times has a good therapeutic effect on brown spot.

Cucumbers often suffer from some bacterial diseases, which are mostly caused by humidity and soil. When planting, we must do a good job of anti-bacterial measures, for the cleaning of the land must be in place. These are some of the diseases when planting cucumbers. We must compare them carefully when we treat them to avoid making mistakes.