Rosemary, mushrooms, red-leaf plums, ginkgo, mangoes, persimmons, daylilies... With the coming of summer, while ripening the fruits of various plants in the green belts, it has also attracted many people who are keen on eating "green belts". In this regard, experts pointed out that the plants planted in the green belts are only for ornamental purposes, and their mature products cannot guarantee food safety, so people are not recommended to eat "green belts" casually.

The phenomenon of eating "green belts" is very common

From spring to midsummer, as various plants in the green belts mature in sequence, people eat "green belts" from all over the country.

In Bishan, Chongqing, the reporter once encountered an online car-hailing driver picking mushrooms in the green belt. At that time, a young man came out of the green belt not far from the reporter with a bag full of white mushrooms, and opened the trunk of the online car-hailing car parked on the roadside to put the mushrooms in. The reporter looked back at the green belt, and if he looked closely, he could really find a lot of white traces in the grass.

In the green belt next to the Mei Lanfang Grand Theater on Beijing's Second Ring Road, the reporter once met several middle-aged people shaking a red-leaf plum. Seeing the reporter stop to watch, one of them handed over a handful of plums and said, "Try it, it's sweet."

A while ago, a netizen posted the news of finding rosemary in the green belt of Chengdu on the Internet, which triggered a heated discussion. A netizen from Chengdu left a comment saying, "I decided to pick some when I passed by after get off work and fry steak in the evening." Of course, many netizens posted pictures of various crops in their own city's green belts.

A netizen in Guangzhou posted a picture of the sidewalks of his community full of mango trees. When walking, he often saw mangoes falling from the trees. He found one that was not broken, peeled it, and tasted it and found that it was "quite sweet." A Shandong netizen saw wax apples all over the local roadside trees when traveling in Qionghai, Hainan. The ripe pink fruits were particularly tempting. There are also many grapefruits planted on the roadside trees in Zunyi, Guizhou. When the sanitation workers cleaned them, many citizens came to pick them up.

In reality, the phenomenon of eating "green belts" is really common.

Eating "green belts" has safety risks

There are also many voices of opposition to eating "green belts". A Beijing netizen recently posted, "One day it was drizzling in Beijing. When I was driving past the southeast fourth ring road, I found an old lady in the green belt on the auxiliary road in the distance. She was holding a checkered umbrella in one hand and picking daylily buds in the green belt with the other hand. She put the picked buds in a plastic bag. I guess she mistook the daylily buds for day lilies. At that time, I shouted to the old lady, "Daylily is poisonous, don't pick it", but maybe because she was too far away, she didn't hear it. I don't know if the old lady ate it afterwards?"

Under the post, netizens left messages saying, "This kind of behavior It is more dangerous. First, you may eat the wrong ones. For example, the ones in the green belt are really daylilies instead of day lilies, which may cause food poisoning. Second, the fruits in the green belt may be heavily sprayed with pesticides, which is not good for your health. "I checked and found that the daylilies in Beijing's green belts are not edible lemon daylilies."... Some netizens also talked about examples around them, saying that they had talked to their neighbors many times because there were many cars passing by. The mango trees on both sides of the road were full of dust and car exhaust, and the flesh was likely to exceed the heavy metal standard, but the other party just didn't listen and picked some back to eat from time to time. Obviously, I have tried very hard to persuade them, but I still can't stop those who want to eat. Yu Sicheng was the commander-in-chief of the construction of the outer ring of Shanghai. He knows the construction and planting of urban green belts very well. Regarding eating "green belts", he said, "From a general perspective, it is not recommended to find food in green belts." He also analyzed the potential risks of eating "green belts" in detail to reporters.

First, the nutrients and minerals of plants and fruits come from the soil, and the green belts use engineered soil. Indicators such as how much heavy metals are contained in it are not tested. It is OK as long as it is suitable for growing plants. The source of engineered soil may be a place that has been polluted. For example, there was a chemical plant nearby. Even if it was demolished later, the soil may have been chemically polluted. There is no problem in planting some ornamental plants, but the wild vegetables, mushrooms, fruits, etc. grown in the land will accumulate pollutants and harmful components. If eaten, they are likely to cause harm to the human body.

Secondly, from the perspective of the growth environment of green belt plants, Yu Sicheng said that the surrounding atmosphere may also have an impact on green belt plants. For example, if it is planted next to a chemical plant, the fruit of the plant may contain pollutants. There are also some harmful components in the exhaust gas emitted by passing cars, and these components can also be absorbed by plants.

Third, in the later management and maintenance of the plants in the entire green belt, the means of pest control may be chemical control. So, what kind of pesticides are used to prevent and control pests? What is the medicinal property? What is the concentration? How often is it sprayed? Since it does not involve edible factors, it is likely that the frequency and concentration of pesticides used on green belts are higher and more casual than those on planted food, so there is also a risk of excessive pesticide residues in green belt products.

In short, since it is difficult to figure out the soil, atmosphere, and later plant protection factors, Yu Sicheng believes that the safest approach is not to eat them.

"Green belt mushrooms" are particularly dangerous

If we talk about which products in green belts are more dangerous, wild mushrooms definitely have a place. Now is the season for eating mushrooms. After the rain, many mushrooms will grow in the grass of green belts. Yu Sicheng pointed out that in addition to the above reasons for not recommending eating mushrooms in green belts, it is impossible to distinguish whether they are poisonous varieties, which makes eating green belt mushrooms particularly dangerous.

Although there are poisoning cases every year, this still seems to not stop people's enthusiasm for picking mushrooms. "It's raining, and a lot of mushrooms are growing on the grass. Some people are picking them with their children. I'm so worried that they will be poisoned." A netizen from Jiangxi posted.

"It rained too much in Guangdong, and mushrooms began to grow in the green belts. If I'm not mistaken, this is a yellow agaric, which is poisonous and will cause gastroenteritis if eaten." A Guangdong netizen said, "Some species may not even be accurately identified by botanists and wild mushroom experts, so why do some people still dare to eat them? Mushrooms growing in community green belts, roadside grass, etc. should never be picked."

Fungus plant expert and popular science blogger "Ganweiren" once made a special video on the issue of eating wild mushrooms. It is introduced that only a small part of wild mushrooms are delicious and safe. If you are not careful, eating highly toxic ones may lead to life-threatening. For those who have no experience with wild mushrooms, it is recommended to only buy cultivated mushrooms; for those who have experience in picking wild mushrooms, it is recommended to only pick mushrooms that they are familiar with and have experience in handling in familiar areas, and not to go to unfamiliar provinces and regions to pick them, and never keep suspicious mushrooms. In addition, we must also pay attention to species that are very harmful, such as Amanita phalloides and Botrytis cinerea. In addition, we must also pay attention to the poisonous mushroom Amanita phalloides, which is found in green belts all over the country. From 2019 to 2020 alone, it caused more than 200 cases and more than 400 people were poisoned. These poisonous mushrooms often have edible mushrooms that look similar to them. Therefore, for ordinary people without experience, never pick wild mushrooms by yourself.

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