How is the sugar heart apple formed?

[Network] agricultural heart candy apple delicate flesh, stone is translucent, fruit is very rich, the price is higher than the average apple doubled. So why is the "sugar heart apple" in the end?

In fact, the name "sugar heart apple" has long been known. It is a popular name for the internal changes caused by apple water heart disease. It occurs in most apple producing areas in China. Apple water heart disease is a common physiological disease. After the apple is broken, a translucent hard block is formed in the center of the fruit and its vicinity. The color is darker and shaped like a cut pine tree . The lesions in the heart are mild, the internal sugar is highly concentrated, and the heart is sweeter than other parts. It also looks like saccharification, so people call it "sugar heart".

Although "sugar heart" is a physiological disease of apple fruit, for consumers, before the "sugar heart" has not browned and spoiled, eating such apples does not cause any harm to the body. On the contrary, "sugar heart" Part of it can also increase the taste of apples, which is why many consumers love it.

However, these fruits also have obvious shortcomings. Studies have shown that in the middle and late stages of the development of "sugar heart" apple fruit, sorbose in the fruit after the loss of internal calcium in the fruit due to environmental effects such as light, day and night temperature, water and fertilizer and soil. The balance between alcohol, calcium and nitrogen content is broken, causing sugar to accumulate in the center of the fruit. At the same time as the formation of the "sugar heart", the sugar distribution of the fruit is also uneven. In the case that the total amount of sugar accumulation in the whole fruit is constant, the occurrence of "sugar heart" reduces the accumulation of sugar in other parts of the pulp, which may affect the overall quality of the fruit.

How is the sugar heart apple formed? Look at it