The latest control measures of broad bean not bearing pod

Broad bean often does not bear pods in the process of planting, which seriously affects the growth and yield of broad beans, and brings greater economic losses to farmers, so what is the reason why broad beans do not bear pods? How to prevent and cure it? Let's get to know it.

First, the field is closed.

Canopy closure in the field is a common problem in broad bean production, especially in the period of high temperature in winter, the vegetative growth and reproductive growth of broad bean are carried out at the same time. As the temperature continues to rise after spring, broad beans are still branching. These branches generally do not bear pods, but they occupy space and grab nutrients with effective branches. And the lower part of the plant basically does not have any light, ventilation is also a problem, the number of pods at the bottom is less, while broad bean mainly depends on the lower flowers and pods, the upper part of the nutrients guarantee, often appear empty pods. After this happens, there are not many pods in the lower part, so the yield will be very low.

Prevention and control methods: there are two ways to prevent and cure this situation, one is inter-seedling, the other is pruning, which refers to the removal of plants with relatively lean flesh before broad bean blossoms, which can reduce the planting density, and this kind of thin plant is not pulled out. Later will not bear pods, or pod quality is not high, it is useless, it is better to pull out in advance, save nutrients, reduce conditions and close, which is more favorable for other plants to bear pods. Pruning is to prune some aging branches on broad bean plants. Broad beans will produce a lot of branches after overwintering, and they will often age and die after spring, and these branches will not blossom and bear pods, so staying will only consume nutrients in vain and cause diseases and insect pests, so timely pruning can not only save nutrients, promote plant pods, but also prevent diseases and insect pests.

II. Diseases and insect pests

Diseases and insect pests are also one of the reasons why broad bean does not bear pods. The flowering and fruiting period of broad bean is the peak period of diseases and insect pests, such as red spot, brown spot, rust, aphids and so on.

Prevention and control methods: give priority to the prevention of diseases and insect pests, the principle of comprehensive management, in the rainy season should pay attention to dredging drainage, so as not to cause diseases caused by moisture on the ground. Red spot and brown spot can be controlled by disinfectant alum, metalaxyl, metalaxyl manganese zinc and prohydantoin, rust can be controlled by trimethoprim, methyl thiophanate and Bordeaux liquid, and aphids can be controlled with aphid and imidacloprid.

The above is the introduction of broad bean non-pod control measures, hope to help you, want to know more related knowledge, please follow us.