Cauliflower, also known as cauliflower and broccoli, is a healthy vegetable that is popular among the masses. Its nutritional value is very rich, and it is also easy to digest, suitable for a variety of people. In addition, cauliflower not only has good edible value, but also has good planting benefits. Coupled with the convenient management of cauliflower cultivation, many farmers will choose to grow at home. However, in the actual cauliflower planting management process, most people will encounter the "spray" symptoms of cauliflower, then what are the symptoms? How to prevent it? Let's take a look at it.
Cauliflower's "scattering flowers" symptoms
The "spattering" symptoms of cauliflower in the process of growing cauliflower in the flower ball, the symptoms are mainly due to the early elongation of cauliflower flower branches, and the length of elongation is not uniform, which tends to cause the cauliflower flower balls to spread out and grow outward. The cauliflower flower ball that was finally planted is loose and unattractive, thus affecting the overall quality. In addition, some cauliflower flower balls will also have purple-green velvety flower branches. After a period of growth, the flower branches will form flower buds, resulting in the whole flower ball being chicken-claw. It not only reduces the value of food and commodity, but also greatly reduces the output.
Precaution
1. Select varieties with high hybridization rate to avoid the phenomenon of scattered flowers of cauliflower due to the selection of seeds.
2. According to the actual development of the cauliflower variety, the appropriate harvest period is established, and the early, middle and late varieties are classified reasonably according to different cultivation requirements.
3. The cold at the seedling stage is also one of the main causes of the symptoms of “scattering flowersâ€. Therefore, it is necessary to do adequate cold protection work at the seedling stage of cauliflower. It is recommended to use measures such as covering the mulch or raking the grass. The temperature is best maintained. At 17 ° C ~ 20 ° C. When it comes to hot weather, try to collect cauliflower as early as possible to avoid excessive proliferation of flowering branches.
4. Raise seedlings with nutrient or nutrition bags, appropriately expand the nutrient area of ​​individual plants, and form seedlings for transplanting seedlings.
5, to carry out a balanced supply of water and fertilizer, it is recommended to apply 3000 ~ 5000 kg of high-quality decomposed organic fertilizer per mu as a base fertilizer, if the re-emergence period also requires nitrogen, phosphorus and potassium to cooperate. In terms of watering, the amount of water should be moderate, so it is better to ooze and not retain water after 3 to 4 hours of watering.
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