Eating grapes without spitting grape seeds is a dream of many people who like to eat grapes. However, with the increase of seedless grape varieties on the market, "lazy people" are enjoying the convenience of seedless grapes, and they start to worry again. For decades, the grapes have become seedless. Will it be genetically modified? Some people say that the seedless grapes are the result of the contraceptives. Is this true?
How is seedless grapes grown?
In response to this problem, the reporter interviewed some grape growers, and the fruit grower Wang, who has more than ten years of planting experience, said: "I have never heard of grapes that are genetically modified. Grapes are seedless because we use special planting methods." Wang Da Ge said that there are two ways to cultivate seedless grapes. One is to use plant hormones to inhibit the development of seeds in the fruit and promote the development of the fruit, thus producing seedless grapes. The other is to breed by hybridization, which is to make the seed-producing plant into a seed-undevelopable plant, and to make the plant's fruit itself produce plant hormones to inhibit the growth of the seed, thus achieving the purpose of seedless.
Does phytohormone affect the human body?
The reporter learned that in addition to auxin and gibberellin, which are closely related to seeds, plants also contain a variety of other hormones, including cytokinins, abscisic acid, ethylene, brassinolide, etc. These hormones are tight. Accurately regulate the growth state of plants and various physiological processes, so we eat plant tissue, and the plant hormones contained in it are also eaten by us. However, it should be noted that phytohormones are non-toxic and will soon be excreted with metabolism.
At the same time, these artificial plant hormones are low-toxic pesticides, and if they are used excessively, the fruit will be abnormally swollen, prone to rot, plant growth obstacles and even death, so the amount of fruit growers will not be large.
Can contraceptives be "contraceptive" for plants?
The phytohormone and animal hormones are quite different in chemical properties, and the recognition mechanisms are also different. Plant hormones can't play their role in plants in animals, just like the software under different operating systems can only be recognized and used by the corresponding operating system.
The contraceptive is an analog of human sex hormones. After entering the plant, due to the lack of corresponding receptors and signaling pathways, it is completely unable to give the plant a "contraceptive effect". In the same way, all kinds of plant hormones used in agricultural production will not play a hormone effect after being ingested into the human body. Therefore, it is not necessary to talk about "hormone" and change color, or enjoy delicious fruits.
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