Recently, a woman in Kaifeng, Henan, was shocked by the watermelon she bought. It turned out that when she cut the watermelon, she found that "soybean sprouts" had grown in the watermelon flesh. What is going on? Let’s talk about it today! 01. Watermelon grows “bean sprouts”? Senior agronomist Li Zangchao told reporters that this is actually the watermelon seeds sprouting in the flesh after the watermelon is over-ripe. This situation is often related to the variety of watermelon. Although watermelon sprouts do not contain toxins, their taste and nutritional value are greatly reduced, so it is still not recommended to continue eating them. To put it bluntly, this is a classic biology lesson. This is not bean sprouts, but watermelon seeds sprouting. 02. Why did the watermelon sprout? Judging from the video, the watermelon has become like this. As we say, the watermelon is "hollowed", which means the watermelon is hollow. According to my personal experience of eating watermelons, generally at this time, the watermelon is in a "quantum superposition state" of being delicious or inedible. However, it is not common to encounter watermelon seeds sprouting, so this watermelon also meets the conditions. Of course, there is no need for "Science Approaches" to shoot three episodes. Temperature, conformity; Humidity: Watermelon does not lack water; The air, such a big hollow, also has it. Now that everything is ready, let's sprout... There are actually quite a few examples of this kind. 03. Why do watermelon sprouts look like “bean sprouts”? But why do they look like bean sprouts? There are two reasons. 1. Two leaves, a standard dicotyledonous plant. Let's review the definition of dicots: dicots are plants that develop two cotyledons in the embryo of their seeds. So when dicots start to develop from seeds, they will have typical two-petal leaves. Watermelon is a dicotyledonous flowering plant. If it were a monocotyledonous plant, you would probably wonder why there is grass growing in the watermelon. Because the seedlings grown from monocotyledons generally look like grass, and corn is a monocotyledon. The picture below shows actual corn sprouting, and it looks like this. So, think about the difference between monocots and dicots: 2. Yellow embryo This is why they are mistaken for bean sprouts. In fact, it is because of the lack of chlorophyll. For example, if bean sprouts had chlorophyll, they would look like this. In many cases, the chlorophyll of plants can only be induced under light conditions. Without light, it will turn into yellow due to lack of chlorophyll. The normal growth of watermelon seedlings looks like this. Do you understand what is happening here? If the watermelon is over-ripe, it will cause the seeds to germinate, and the scene at the beginning will appear! |
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