What are the tomato deficiency syndromes? Talking about the Symptoms and Remedy of Tomato Deficiency

According to Xiaobian, tomato needs a lot of nutrients in the growth process. If the nutrient is insufficient, it will lead to tomato deficiency, which will seriously affect the quality and yield of tomato. The following are detailed symptoms and remedies for tomato deficiency syndrome. Every grower hastened to collect.

In the process of growth and development, tomato needs to absorb a variety of nutrients. When a certain element is lacking, it will show corresponding symptoms of deficiency in the external form, which will have certain effects on tomato yield and quality.

Here is a brief introduction to the symptoms and judgments of some of the main symptoms of tomato deficiency.

1 nitrogen deficiency

The plant grows slowly, the old leaves are yellow-green in the early stage, and the whole plant is light green in the later stage, and the leaves are small and erect. The veins change from yellow-green to deep purple. The stalks become hard. The fruit is getting smaller.

2 deficiency of phosphorus

The early leaf back is purple-red, with brown spots on the leaves, the leaves are stiff, and the tip of the leaves is dark brown. The veins gradually turn purple. The stem is slender and rich in fiber. Result delay

3 potassium deficiency

At the initial leaf margin, the tip of the needle has a dark brown spot, and the posterior stem also has dark brown spots, and the leaf edge is curled. Root dysplasia. Young fruit is easy to fall off or more deformed fruit.

4 calcium deficiency

The plants are thin and wilting, and the edges of the heart leaves are yellow and shrunken. When the leaves are dead, the leaves in the middle of the plants form dark brown spots, and the leaves of the whole plant are rolled up. Very undeveloped. Fruits are prone to umbilical rot and hollow fruit.

Tomato remedy remedy:

Nitrogen deficiency: Remedy: Mix ammonium bicarbonate or urea into 10~15 times solution of decomposed organic fertilizer, apply it to both sides of the plant and then cover the soil with water. Spray 0.2% ammonium bicarbonate solution on the leaf surface.

Phosphorus deficiency: prevention and remediation methods: Phosphate fertilizer should be applied during the seedling and planting period, and 0.2% to 0.3% potassium dihydrogen phosphate solution can also be applied by foliar application.

Potassium deficiency: prevention and remedy: On the basis of multi-application of organic fertilizer, the potassium fertilizer can be applied to the plants on both sides of the plant to apply potassium sulphate and cover the soil after application. It can also be sprayed with 0.2% to 0.3% potassium dihydrogen phosphate solution or 1% grass ash leaching solution.

Calcium deficiency: prevention and rehabilitation methods: apply appropriate amount of right ash, or use 0.3% to 0.5% calcium chloride aqueous solution foliar spray in the tomato growth period or when the plant is deficient in calcium, spray every 3 to 4 days Apply 1 time, a total of 2 to 3 times.

Plant growth requires a variety of nutrients, so proper fertilization during the planting process will lead to a decline in crop yield. The symptoms and remedies of the above tomato deficiency syndrome can be collected.

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