Tomatoes grow on the ground and potatoes grow on the ground. It's true2019-03-01 15:47:43 16 ℃
Potato is a vegetable with high nutritional value. It is regarded as a vegetable star by nutritionists and one of the greatest foods in the world. Paul is an Englishman, and the use of potatoes in English cuisine is pervasive. Boiling, frying and slicing mud can be said that potatoes are the main force in English and even European cuisine. Some people even joke that the British can only make potatoes and fish. It is no wonder that in the 16th century, when Spanish explorers brought this amazing plant known as the "Devil Apple" back to Europe from South America, potatoes gradually won the favor of Europeans for its high-yielding characteristics. Nowadays, potatoes have become the fourth largest food crop in the world. The first three crops are wheat, rice and maize.p>img src="/1ydzximg/0LO8N3Ns0d"/>p>Paul and tomatoestomatoes are what we often call "tomatoes". They can be eaten raw, cooked and nutritious. In some legends, tomatoes were considered poisonous when they were first introduced into Europe. Later, a painter took the risk of tasting them before he cleaned them up. In fact, in Italy and other regions, tomatoes are used to cook dishes as soon as they arrive. Faced with such delicious two kinds of food, people will naturally think carefully about them. There is no need to say much about the breeding of their new varieties. People want to have some new patterns. Paul's secret weapon is a very old agricultural technology - grafting.
GraftingPotatoes shine on the scene! The so-called grafting refers to the method of propagating plants through existing plant slices rather than seeds. In fact, it is to cut off the tender shoots or buds of one plant and transplant them to the stems or roots of another plant, and let them grow together into a complete plant. Grafted branches or buds are called scions. Grafted plants are called rootstocks. Grafting of the two can combine rootstocks with good quality scions and strong resistance to diseases and insects. It is really a two-in-one method of "letting horses run while letting horses eat less grass". In fact, the cultivation process of potatoes is not complicated: when the potatoes grow to about half a meter high, prune some branches and leaves, and then graft tomatoes onto the stems of potatoes, after a period of cultivation, potatoes can shine on the scene!
Ground-grown tomatoes and underground-grown potatoes
Of course, in order to truly solve the problem of tomato jam and chips at one time, jam processing and chips processing are also needed, and potatoes can only solve the problem of raw materials at one time. What do you think of the grafting quality of
? Seen here,
, you will understand that sweet potatoes are not mysterious, but you may have another question: Why can plants survive after grafting? This is the strong self-healing ability of plants after injury. After grafting, the wounds of scions and rootstocks are tightly adhered to each other. Their cells are still dividing and producing a substance (trauma hormone) to promote wound healing at the wound. As a result, the proliferation of cells makes them become "good friends" after the wound is healed.
but this requires that the closer the relationship between the two plants is, the closer the relationship is, the closer the internal structure, physiology and heredity are, the higher the survival rate after grafting. Fortunately, tomatoes and potatoes are distant relatives. They are members of the family of Solanaceae plants, and their home is not far away. Potatoes are native to the Andes Mountains of South America and tomatoes originate in Central and South America. Therefore, the affinity of tomatoes and potatoes to each other is quite high, and their combination has innate advantages.
In addition to genetic relationship, plants survive after grafting, but also affected by other factors, such as -
plants'physical fitness is better. Simply put, that is to say, the vitality should be very vigorous, the body accumulated enough nutrition, so that cell tissue Division will be fast, just like surgery for patients, patients will always be seriously injured vitality, so at this time, the body's foundation is very important. The appropriate temperature is also critical. Generally speaking, when the temperature is below 10 (?) C, the callus of plants hardly grows; when the temperature is between 15 (?) and 20 (?) C, the callus grows faster; when the temperature is between 20 (?) and 30 (?) C, the callus grows fastest; when the temperature is between 30 (?) and 40 (?) C, the callus grows slowly; when the temperature is over 40 (?) C, the callus stops growing again. Of course, because of the difference of plants, their optimum growth temperature is also different.
Callus of plants
Keeping wound humidity is also the key to survival of grafting. Although different plants need different optimum temperature after grafting, they all need to keep the wound humidity. Callus can grow quickly only when the air at the interface is wet and the relative humidity is close to saturation. It is also beneficial to shut down the small black house properly. Darkness is also one of the Factors Affecting Callus growth, but it is not a necessary condition. According to the experimental observation, the growth of plant callus in darkness is more than three times faster than that in light, and the callus growing in darkness is white and tender, with strong healing ability. The callus growing in light is easy to aging, and the healing ability is not as good as that of the former. Maybe that's the same reason that patients need to stay in bed.
is nothing compared with them!
Although you may not taste the grafted potatoes for a while and a half, in supermarkets and vegetable markets, you can often buy the grafted fruits and vegetables, but you may not know it. Apple, pear, watermelon, melon, grape, cherry, apricot, plum, citrus, kiwifruit and so on, many of these fruits are cultivated through grafting, because this can ensure the good genes of the mother parent, and make the fruit grow fast. Grafting cultivation area of cucumber, eggplant and other vegetables is also expanding, which is due to the selection of Rootstocks with strong resistance to grafting, under normal circumstances, at least 30% of the use of pesticides and fertilizers can be reduced. Today, grafting has been used as a key technology in organic vegetable production in the United States.
Grafted seedlings of Ulan seedlings
In addition to these common fruits and vegetables, many amazing varieties have also been grafted, compared with them, sweet potatoes are not a problem! Media reported in 2008 that an old farmer in Japan had grafted another 10 kinds of citrus fruits on a 30-year lemon tree, and 11 different kinds of citrus fruits grew on one tree. Another media reported in July 2014 that a pear farmer in Daxing District of Beijing spent more than 10 years grafting 56 varieties of pears on a 100-year-old pear tree, symbolizing the unity of the Chinese nation.
Paul and tomato (eggplant on the ground and potato on the ground)epilogue
may seem interesting and curious, but potatoes are not really amazing plants, much less related to Transformers, just using the agricultural technology of "grafting". However, if the pursuit of large-scale cultivation, it is really good for agriculture, after all, tomatoes grow on the ground, potatoes grow on the ground, a crop of two harvest, land saving ah!
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