Symptoms and control measures of boron deficiency in cauliflower

Cauliflower is one of the common vegetables in our life. It is sensitive to trace elements when planted. If boron is lacking in the growth process, it will have a great impact on its growth. So what is the cause of boron deficiency in broccoli? How to prevent it? Let's get to know each other.

1. Boron deficiency symptoms

Cauliflower will appear after boron deficiency stems and leaves stiff, easy to break, the growth of top leaves will be blocked, leaves will bend outward, deformed, lower leaves will gradually turn yellow. Its stems and leaves will gradually lignify or crack, new leaves will dry up, flower bulbs gradually turn brown. In the later stage, the stem is hollow, the flower head has obvious yellow spots, the best inflorescence dies, the root system is short and thick, inedible, and the commodity declines, affecting the economic benefits of farmers.

2. Reasons for boron deficiency

There are many reasons for boron deficiency in cauliflower. Soil drought will affect the absorption of boron by roots. Less organic fertilizer or too much nitrogen fertilizer will also hinder the absorption of boron by roots, resulting in boron deficiency. Excessive potassium fertilizer application will also affect the absorption of potassium fertilizer, easy to cause boron deficiency. Under high temperature, boron transport in plants will be hindered, so it will cause boron deficiency in some parts of plants.

3. Prevention and control measures

Can be added to the base fertilizer with appropriate boron element fertility, generally applied into 1-1.5 kg of borax per mu, can meet the needs of boron throughout the growth period of plants. In the drought to timely watering, so as not to affect the absorption of roots dry soil, in topdressing to apply organic fertilizer or farm manure, can comprehensively supplement various nutrients, but also to maintain soil permeability and soil fertility. When boron is deficient, foliar fertilizer can be sprayed with low concentration borax solution once a week for 2-3 consecutive times to alleviate boron deficiency symptoms.

The above is an introduction to boron deficiency symptoms and prevention measures in cauliflower. I hope it can help you. If you want to know more about boron deficiency, please pay attention to us.