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Tomato

life science Maturity 5-7

The tomato is a red plant.

TomateSanMarzano.jpg
TomateSanMarzano.jpg
It grows on a vine. You can eat it in many ways. It makes yummy sauce for pizza. We use it in soup too. Do you like to eat tomatoes?

37 words

The tomato is a plant that grows on a vine.

Naturalis Biodiversity Center - Solanum lycopersicum var. lycopersicum - old tomato herbarium sheet.jpg
Naturalis Biodiversity Center - Solanum lycopersicum var. lycopersicum - old tomato herbarium sheet.jpg

It comes from far away lands. Many people eat it as a fruit. Others eat it like a vegetable.

TomateSanMarzano.jpg
TomateSanMarzano.jpg

Some people used to think it was bad. They grew it just to look at. They thought it might be poisonous.

Now we use it in many foods. It makes sauce for pizza and pasta. It is in soup and salad too.

There are many kinds of tomatoes. Some are big and some are small. They can be many colors.

NRCSHI07018 - Hawaii (716072)(NRCS Photo Gallery).jpg
NRCSHI07018 - Hawaii (716072)(NRCS Photo Gallery).jpg

Which kind is your favorite?

114 words

The tomato is a plant that grows on a vine.

Naturalis Biodiversity Center - Solanum lycopersicum var. lycopersicum - old tomato herbarium sheet.jpg
Naturalis Biodiversity Center - Solanum lycopersicum var. lycopersicum - old tomato herbarium sheet.jpg
It is part of the nightshade family. This family also includes potatoes and chili peppers. Long ago, tomatoes came from western South America. Farmers in Central America grew many types. Some were large and lumpy. Others were small and sweet. The Aztecs grew tomatoes of many colors. They used them to make many kinds of sauces.

In the 1500s, the Spanish brought tomatoes to Europe. At first, many people did not eat them. They thought the fruit might be poisonous. People grew them in gardens just to look at. They called them "love apples."

Tomatoes for sale in a UK supermarket 2013.jpg
Tomatoes for sale in a UK supermarket 2013.jpg
Later, people began to cook with them. They made sauces for pizza and pasta. Today, there are thousands of kinds. They can be different shapes and colors.
NRCSHI07018 - Hawaii (716072)(NRCS Photo Gallery).jpg
NRCSHI07018 - Hawaii (716072)(NRCS Photo Gallery).jpg
Some are small cherry tomatoes. Others are large plum tomatoes. We use them in soups, salads, and ketchup too.

188 words

The tomato is a fascinating plant that produces an edible berry.

Naturalis Biodiversity Center - Solanum lycopersicum var. lycopersicum - old tomato herbarium sheet.jpg
Naturalis Biodiversity Center - Solanum lycopersicum var. lycopersicum - old tomato herbarium sheet.jpg
Even though we eat them like vegetables, they are scientifically berries. The tomato belongs to the nightshade family. This family also includes tobacco, potatoes, and chili peppers. People around the world love the savory umami flavor of the fruit. It is a key ingredient in many famous foods. You might find them in pizza sauce, pasta, or even ketchup.
tomato production, World, 2023 (cropped).svg
tomato production, World, 2023 (cropped).svg

Tomato plants grow as vines and are mostly annual plants. This means they usually live for only one growing season. They are very sensitive to frost and need warmth to thrive. In some cases, they can live longer if grown in greenhouses. The flowers on the plant are special because they can self-fertilize. This means the plant can make seeds on its own. However, the plants must face many hard jobs to stay healthy. They are often attacked by insect pests and tiny organisms called nematodes. Diseases from viruses, mildew, and fungi can also hurt them.

Tomatoes in a screen house 02.jpg
Tomatoes in a screen house 02.jpg

History shows that tomatoes began in western South America. Scientists think the wild ancestor was a small plant called Solanum pimpinellifolium. Later, farmers in Central America likely domesticated the plant. By 500 BCE, people were already growing them in southern Mexico. The Aztecs grew many different kinds in their markets. They had large tomatoes and small ones. They even had tomatoes that were shaped like nipples or serpents. These fruits came in many colors from bright red to deep yellow.

In the 16th century, the Spanish brought tomatoes to Europe. This happened during a time of change called the Columbian exchange.

Tomatoes for sale in a UK supermarket 2013.jpg
Tomatoes for sale in a UK supermarket 2013.jpg
At first, many Europeans were afraid to eat them. They thought the fruit was poisonous because of its nightshade relatives. Instead, people grew them in gardens just for their beauty. Some called them "golden apples" or "love apples." In England, a man named John Gerard wrote about them in 1597. He also believed they were poisonous. It took many years before people felt safe eating them regularly.

Today, there are thousands of different varieties, or cultivars. These vary in size, shape, color, and taste. Some famous types include the San Marzano tomato from Italy.

TomateSanMarzano.jpg
TomateSanMarzano.jpg
In the United States, a man named Alexander W. Livingston helped create many modern types. He wanted tomatoes to be smooth, uniform, and sweet. He introduced the Paragon variety in 1870. In places like California, farmers use special ways to grow them. Some use a method called dry-farming to help roots grow deep. This helps the plants find moisture in the soil.

472 words

The tomato, known scientifically as Solanum lycopersicum, is a plant that produces an edible berry.

Naturalis Biodiversity Center - Solanum lycopersicum var. lycopersicum - old tomato herbarium sheet.jpg
Naturalis Biodiversity Center - Solanum lycopersicum var. lycopersicum - old tomato herbarium sheet.jpg
Although we often treat them as vegetables in cooking, they are botanically classified as berries. The tomato is a member of the nightshade family. This family includes other well-known plants like tobacco, potatoes, and chili peppers. Tomatoes are prized for their savory umami flavor. This unique taste makes them a vital ingredient in global cuisines. They are used in everything from pasta sauces and pizza to soups like gazpacho. You can also find them in condiments like salsa and ketchup, or even in beverages.
tomato production, World, 2023 (cropped).svg
tomato production, World, 2023 (cropped).svg

Tomato plants grow as vines and are largely annuals. An annual is a plant that typically completes its life cycle in one growing season. These plants are very vulnerable to frost. However, they can sometimes live longer if they are grown in greenhouses. The flowers of the tomato plant have a special ability to self-fertilize. This means the plant can produce seeds without needing help from other plants. Despite their success, tomatoes face many biological challenges. They are frequently attacked by insect pests and nematodes, which are tiny worms. They are also susceptible to diseases caused by viruses, mildew, and blight fungi.

Tomatoes in a screen house 02.jpg
Tomatoes in a screen house 02.jpg

The history of the tomato is a complex journey of domestication. The wild ancestor of the tomato is a red-fruited plant called Solanum pimpinellifolium. This plant is native to western South America. Scientists believe the tomato was likely first domesticated there. Another variety, S. lycopersicum var. cerasiforme, is thought to be the ancestral cherry tomato. Genomic analysis shows the domestication process was quite intricate. While the cherry tomato variety appeared around 78,000 years ago, the cultivated tomato likely originated around 7,000 years ago, or 5,000 BCE. This makes the exact role of early humans in the process difficult to determine.

In Mesoamerica, precontact Central American farmers were key to the tomato's development. By 500 BCE, tomatoes were already being cultivated in southern Mexico. The Aztecs raised many different varieties in their markets. At the great market of Tenochtitlán, they sold tomatoes of all colors, from bright red to deep yellow. They had large tomatoes, small tomatoes, and even leaf tomatoes. They also grew varieties shaped like serpents or nipples. The Aztecs prepared various sauces using these different sizes of fruit.

The tomato reached Europe through the Columbian exchange in the 16th century. This exchange began after the Spanish conquistador Hernán Cortés captured Tenochtitlan in 1521. The Spanish introduced the fruit to Eurasia, where it grew well in Mediterranean climates. However, many Europeans were initially afraid to eat them. Because tomatoes are related to nightshades, people assumed they were poisonous. In Italy, they were often grown only as ornamentals for their beauty. In England, the barber-surgeon John Gerard wrote about them in 1597. He also believed they were poisonous, a view that lasted for many years.

Tomatoes for sale in a UK supermarket 2013.jpg
Tomatoes for sale in a UK supermarket 2013.jpg

Over time, the tomato became a culinary staple. In Italy, the first cookbook with tomato recipes appeared in Naples in 1692. Eventually, many varieties were developed for specific uses, such as drying or making sauce. One famous example is the San Marzano tomato, which is highly prized for pizza.

TomateSanMarzano.jpg
TomateSanMarzano.jpg
In the United States, Alexander W. Livingston helped transform the tomato into a major commercial crop. He wanted to create varieties that were smooth, uniform in size, and sweet. He introduced the Paragon variety in 1870 and the Acme variety in 1875. The U.S. Department of Agriculture noted that half of the major varieties resulted from his work.
NRCSHI07018 - Hawaii (716072)(NRCS Photo Gallery).jpg
NRCSHI07018 - Hawaii (716072)(NRCS Photo Gallery).jpg

Today, tomato production is a massive global industry. In the United States, major production occurs in the Sun Belt, especially in Florida and California. Because tomatoes need heat and long growing seasons, these warm states are ideal. In California, some growers use a technique called dry-farming. This method, used with Early Girl tomatoes, encourages roots to grow deep to find moisture. There are now thousands of cultivars available. These vary greatly in their size, color, shape, and flavor. While modern breeding has made them ripen a uniform red, this has sometimes reduced their original sweetness and flavor.

730 words
🖼️ Images & Media (9)
File:Naturalis Biodiversity Center - Solanum lycopersicum var. lycopersicum - old tomato herbarium sheet.jpg
Naturalis Biodiversity Center - Solanum...
File:Arrival of Cortés in Veracruz and Reception by Moctezuma's Ambassadors Painting.jpg
Arrival of Cortés in Veracruz and...
File:TomateSanMarzano.jpg
TomateSanMarzano.jpg
File:Tomatoes for sale in a UK supermarket 2013.jpg
Tomatoes for sale in a UK supermarket 2013.jpg
File:Tomatoes in a screen house 02.jpg
Tomatoes in a screen house 02.jpg
File:NRCSHI07018 - Hawaii (716072)(NRCS Photo Gallery).jpg
NRCSHI07018 - Hawaii (716072)(NRCS Photo...
File:Fpls-10-01606-g005.jpg
Fpls-10-01606-g005.jpg
File:tomato production, World, 2023 (cropped).svg
tomato production, World, 2023 (cropped).svg
File:Tomatotree.JPG
Tomatotree.JPG
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