What is the difference between strawberry calcium deficiency and viral disease?

Strawberry is a crop with a large amount of calcium. The demand for calcium during growth is second only to potassium and nitrogen, and it is the third most important element. In the fruit-expanding period, the absorption of calcium by strawberry is second only to potassium. However, in the process of strawberry planting and fertilizing, growers often neglect the supplement of calcium fertilizer, which leads to the occurrence of a variety of physiological diseases.

The symptoms of calcium deficiency in strawberry are very similar to those of strawberry virus disease. Many growers can easily confuse the two in the production process, often taking wrong prevention measures, delaying the timing of prevention, and causing the disease to worsen. The following is a detailed description of the difference between physiological and viral diseases caused by calcium deficiency in strawberries.

Cause the cause of the disease

Calcium deficiency in strawberries is a physiological disease caused by deficiency. Strawberries will resume normal growth by rationally replenishing the required elements; strawberry virus disease is caused by strawberry mottle virus, strawberry vein virus, strawberry light yellow virus, strawberry shrinkage virus and so on. Once infected, the system is ill and the prevention is extremely difficult.

Different symptoms

Leaf: The most typical symptom of calcium deficiency is commonly known as leaf coke, which usually occurs on new leaves, causing the tip of the leaf to shrink and the tip of the leaf to be scorched; the leaves of the virus disease are mostly mosaic, yellow, wrinkled and mottled, leaves Shrinking, deformity, leaf color fading, gradually turning red, eventually leading to death.

Flower: Calcium deficiency causes the flower buds to be scorched, the flower buds become brown, and the tops of the buds are dry; the flowers are basically not showing symptoms after infection with the virus.

Fruit: When fruit is deficient in calcium, there will be stiff fruit in the young fruit stage. The calcium deficiency in the mature fruit will result in thin cell wall, small cell density, soft performance of fruit, poor storage and transport, and reduced fruit weight. The fruit of strawberry virus disease becomes smaller. deformity.

Root system: The roots of the calcium-deficient strawberry are short, the root hair is less, the root tip changes from yellow-white to brown, and it dies seriously; the strawberry virus disease mainly shows that the plant is short.

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