The latest lodging control methods of broad bean

Broad bean, also known as Hu bean, is a kind of nutritious legumes. In its peak growing season, if it is not managed properly, it is prone to lodging, which will have a great impact on yield and quality. What about broad bean lodging? The following editor will introduce to you the prevention and control methods of broad bean lodging. Let's take a look.

1. Reasonable close planting

When broad bean is growing vigorously, its growth rate is very fast, and its branches and leaves will be dense in a short time. If it is planted too densely, it will lead to closeness in the field, poor permeability, overgrowth of plants, thin stems and poor lodging resistance, so lodging will occur. Therefore, it is necessary to make reasonable close planting, timely topping when the branches and leaves are luxuriant, control the plant height, make the stem grow stout, and improve the lodging resistance. Topping is appropriate when 40% of the branches bear pods for the first time, and it is best to top on a sunny day and hit the top with one heart and one leaf.

2. Increase the application of phosphorus and potassium fertilizer

Nitrogen fertilizer can promote plant growth, so many farmers will apply nitrogen fertilizer when planting, but broad bean is different from other crops, its root nitrogen fixation capacity is strong, in production, it is necessary to control the amount of nitrogen fertilizer application, if nitrogen fertilizer is applied too much, it will cause its plants to grow excessively, and will also cause field canopy closure and lodging phenomenon. Therefore, in production, it is necessary to control the amount of nitrogen fertilizer application, appropriately increase the application of phosphorus and potassium fertilizer, generally apply potassium chloride or potassium sulfate per mu in the early flowering stage, or plant ash 50-70 kg plus calcium superphosphate 10 kg, mixed with fine soil. Spraying 0.3% potassium dihydrogen phosphate 2-3 times during flowering and podding can promote pod expansion and the effect is better.

3. Prevent waterlogging damage

It is the rainy season when broad beans blossom and bear fruit, and if no drainage and dehumidification measures are taken, broad bean plants will suffer from waterlogging and lodging easily, so drainage ditches must be opened during production, and irrigation should be withdrawn immediately during watering. Drainage measures should also be done in the rainy season.

4. Diseases and insect pests

Red spot, rust and Fusarium wilt all lead to lodging of broad bean plants. Special attention should be paid to the prevention and control of diseases and insect pests in production. It is found that the disease should be controlled by spraying in time, and carbendazim and methyl topiramate can be sprayed alternately, once every other week, 2-3 times continuously, and the effect is better.

The above is the introduction of broad bean lodging control methods, hope to help you, want to know more related knowledge, please pay attention to us.