The cause of the death of the latest zucchini and its control

With the improvement of planting level, many vegetables can be put on the market out of season, and their planting area is getting wider and wider, but with the gradual aggravation of the disease. For the phenomenon of dead zucchini, let farmers have a headache, the following with the editor to take a look at the prevention and control of dead zucchini.

First, the cause of death

1. Improper fertilization

Many farmers mostly use chemical fertilizer in production, which will lead to the continuous decrease of soil organic matter content, soil consolidation, the gradual decrease of beneficial bacteria, the increase of harmful bacteria, aggravate the disease and lead to the death of zucchini.

2. Vine blight

The disease mainly harms leaves and stems, followed by melon strips, the leaves will appear round or irregular disease spots, in the later stage, the disease spots will split, scattered a lot of small spots, and after the stem is killed, oily spots will appear at the stem nodes, mainly secreting amber glue, after drying, the disease will not shrink longitudinally, serious sometimes to stem rot and lodging.

II. Prevention and control methods

The main results are as follows: 1. Organic fertilizer or biological bacterial fertilizer should be used as the main fertilizer. 600-800 jin of mature farm manure is the most basic fertilizer before planting, and it can also be mixed with appropriate calcium, potassium and boron fertilizer, which can meet the demand for non-organic matter during the whole growth period of the plant. it can also increase beneficial bacteria and reduce diseases.

2. Choose a good weather when planting, do not rush to cover the soil after seedling release, use chitin + methyl topiramate + streptomycin mixed solution to fill the hole, wait for 2-3 days, the root tip exposed soil, and then cover the soil, the soil should not be too deep, you can cover the film in watering.

3. in order to do a good job in watering and fertilizing plants, root maintenance is the main task in the early stage, and it is recommended to apply amino acid or humic acid fertilizer, and chitin fertilizer can be used under certain conditions, which can not only prevent diseases and insect pests, but also regulate soil structure.

4. When the vine blight occurs in the plant, the plant can be sprayed with methyl topiramate 500,600times or mankuling 800,600times or 1000 times, once every 5 days for 3-4 times, and the effect is better.

The above is the introduction of the causes and control methods of zucchini. I hope it can help you. If you want to know more about it, please follow us.