Common diseases and insect pests of cauliflower

Cauliflower is not only a kind of vegetable but also a kind of medicinal herbs. it has a wide range of cultivation in China and has strong adaptability, so it is a good variety to grow. Of course, daily pests or cauliflower inevitable some cases, the following pro-agricultural network to introduce to you some common diseases of cauliflower.

1. Yellow flower aphids

This is a kind of pest with white color, and it is relatively easy to find after it appears. When it appeared in the early stage, it was mainly concentrated on the back of the yellow leaf, and the number was large, and it would spread when the leaf could not meet its nutritional needs, and the bud was its main expansion target. In severe cases, the entire buds and leaves will be covered, causing the flowers to wither and wither. 3000 times solution of 50% aldicarb wettable powder can play a certain control role.

2. Root rot

This is a kind of disease caused by hot and humid environment, which is concentrated in the roots and can easily lead to the death of the whole plant. In the early stage of the disease, the leaf characters tended to be dysplastic, the new leaves were small, the old leaves were yellowing, the root color became dark and black, and finally rotted. For those who die of illness, they should be immediately transplanted and sprayed with 500 times the 70% carapace, which must be irrigated from the roots. All nearby plants are needed to achieve the ideal control effect.

3. Anthracnose of cauliflower

The most threatening part of the disease is the leaf. The robe of the pathogenic bacteria is attached to the plant with the activity of insects, and the disease is most likely to occur in a warm and humid environment. First of all, there will be some brown spots on the edge of the leaf, and finally, with the reasoning of time, there will be black rot and perforation in serious places. It is found that 1000 times topiramate can be used for prevention and treatment after the attack, and it is best to spray 1-3 times after the disease is cured, with an interval of one week to avoid recurrence.

4. Rust

This is also a more serious impact on cauliflower, the disease is mostly concentrated in the stem cadre position, the diffusivity is extremely high, and the time of onset is before and after the bud. When the disease occurs, there will first be rusty irregular spots on the plant, and then slowly spread around and connect together, and in serious cases, the whole plant seems to be rusty. The better control agent is 25% trimethoprim WP1000 solution, and all plants had better be sprayed after discovery.

These are the common diseases and insect pests of cauliflower and some simple control methods. Disease number has always been a big problem in vegetable cultivation, so it is recommended that you should choose a variety with better resistance when you get up early. For more information, you can continue to follow our website.