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It is called Blossom End Rot, and it has plagued tomato growers forever. It is not completely understood, but it seems to be exacerbated by not enough calcium in the soil, and uneven watering. Putting a light scattering of lime in the tomato bed when you prepare it in the spring, keeping the water content of the soil even, and mulching the plants all lessen your chances of getting it. But nothing guarantees you wont get it. That's what I meant by "not completely understood".

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12y ago
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2w ago

Tomatoes rotting on the bottom, known as blossom end rot, is often caused by a calcium deficiency in the plant. This may be due to irregular watering, which affects the plant's ability to take up calcium from the soil. To prevent this, maintain consistent watering practices and check soil pH levels to ensure proper calcium uptake.

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Q: What causes tomatoes to rot on bottom?
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What is blossom end rot?

Blossom end rot is a disorder that affects plants, particularly tomatoes and other fruiting vegetables, causing a dark, sunken lesion to develop on the blossom end of the fruit. It is often caused by calcium deficiency, irregular watering practices, or fluctuations in soil moisture levels. Proper soil moisture management and balanced fertilization can help prevent blossom end rot.


What makes a tomato rot faster the light or the dark?

Tomatoes rot faster when exposed to light because light promotes the growth of mold and bacteria on the surface of the tomato, accelerating the decay process. In contrast, storing tomatoes in a dark environment can help slow down the rotting process by reducing the chances of mold and bacteria growth.


What causes an apple to rot?

Apples rot due to the growth of bacteria and fungi, which break down the fruit's sugars and nutrients. Factors such as moisture, temperature, and exposure to air play a role in the speed at which an apple rots. Additionally, damage to the apple's skin can provide entry points for microorganisms, accelerating the rotting process.


Why do plant pots have holes at the bottom?

For drainage. Without the hole, the compost would become waterlogged and the plant roots may rot away.


What vegetables rot the fastest?

Vegetables with high water content like lettuce, tomatoes, and cucumbers tend to rot the fastest. Other vegetables like spinach, zucchini, and asparagus also have a shorter shelf life due to their tendency to spoil quickly.

Related questions

What causes tomatoes to rot on the bottom?

There are a lot of things that can be a factor to this. More than likely,9 times out of 10, it is a calcium defficiency.Usually a calcium additive in the water can correct this problem.


What is blossom end rot?

Blossom end rot is a disorder that affects plants, particularly tomatoes and other fruiting vegetables, causing a dark, sunken lesion to develop on the blossom end of the fruit. It is often caused by calcium deficiency, irregular watering practices, or fluctuations in soil moisture levels. Proper soil moisture management and balanced fertilization can help prevent blossom end rot.


What about white rot on green tomatoes?

It is called mold.


What causes food to rot?

Bacteria, mold, and yeasts can cause food to rot.


What causes mushrooms to rot?

Light???


What causes apples to rot?

oxidisation


What causes pumkins to rot?

Bacteria and fungi.


How can the human body cause food to rot before eating it?

It can't. Bacteria causes the food to rot.


What causes footrot?

A foot rot is a bacterial infection, so I guess bacteria cause foot rot .


What bacteria causes bananas to rot?

clostrium perfringens


What cause an apple to?

Bacteria breaking down the items is what causes things to rot. When fruits such as apples, bananas and tomatoes ripen, they give off a gas called ethylene. Ethylene gas accelerates the ripening process, which will lead to over ripening.


Why do delphiniums rot at the bottom?

Delphiniums are best planted in fertile, deep, well-drained soil. They do not tolerate "wet-feet", which is why they rot.