Tomato Crop in Green Houses

Hiccup_
Hiccup_: Hello everyone, I'd like to learn about the time span of a tomato plant. i.e, the no of days it takes to sprout, the total no of days it takes to yeild tomatoes etc.
9 years ago Report
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Precious Pea
Precious Pea:





The length of time between tomato seed germination and harvest varies with the type being grown. Information on the number of days from planting to harvesting is listed on seed packets and in seed catalogs; it is roughly the number of days from the time the plants are set into the soil to the time they produce their first ripe tomatoes. Generally speaking, the larger the tomato size, the longer it must remain on the vine until it can be harvested.

Early Varieties

Botanists and tomato experts continuously breed varieties that will be more resistant to disease, able to withstand temperature extremes and to improve growing times and yields. Of the two plant types, determinate or compact tomatoes are generally ready sooner than those grown on indeterminate or standard plants. Tomatoes with the shortest maturity time do best in areas with short growing seasons and cool summers. Harvest time for Sub Arctic Plenty, a determinate variety, is roughly 45 days from the transplanting date, and each tomato weighs about 4 ounces. Early Girl and Early Cascade are ready to pick in about 55 days. Mountain Spring and Champion produce larger tomatoes weighing 9 to 10 ounces and require 65 days of growing time to be ready for picking.

Main Crop Tomatoes

Main crop tomatoes have the best yields of high-quality fruit and do better in the garden than their early-season cousins. Determinate varieties include Celebrity and Floramerica, ready in 70 to 75 days. Better Boy, Burpee's Big Girl and Mountain Pride are ready in roughly 74 days and produce fruit weighing 10 to 16 ounces. Gardeners choosing to grow extra-large tomatoes should be prepared to wait up to 81 days for varieties such as Beefmaster, Supersteak and Delicious before they are able to harvest fruit that can weigh as much as 2 pounds.

Small Varieties

Smaller tomatoes such as cherry or grape grow on vigorous plants and usually produce high yields. Ready in 65 to 70 days, the small fruit measuring 1 to 1 1/2 inches is marketed as Super Sweet 100, Yellow Pear and Large Red Cherry. The sweet-flavored fruit grows on either determinate or indeterminate plants. According to the University of Illinois Extension, some can be picked as whole clusters, eliminating the tediousness of having to pick each tomato individually. Certain plants, such as Tiny Tim, Red Robin and Pixie Hybrid, are suited to container growing, since they produce extremely small plants that grow to no more than 6 to 12 inches tall and have tomatoes ready to pick in 45 to 50 days.

Miscellaneous Varieties

Orange, pink, yellow, green and white tomato varieties such as Mountain Gold, Jubilee and Golden Boy weigh roughly 8 ounces and are ready to pick in 70 to 80 days. Pink Girl, ready in 76 days, produces 7-ounce fruit on indeterminate plants. Both White Wonder, that produces white 8-ounce fruit in 85 days, and the yellow-green Evergreen, are ready to harvest in 85 days. Paste tomatoes best suited for canning and making sauce include varieties such as San Marzano and Roma whose small oval fruit is ready to pick in 75 to 80 days. Heirloom or old-fashioned tomatoes have not been crossbred and their seeds produce plants that closely resemble the parent plant. Generally ready to pick later than hybrid tomatoes, varieties such as Brandywine that produce large juicy pink fruit can take as long as 100 days to harvest.

9 years ago Report
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Precious Pea
Precious Pea:

http://homeguides.sfgate.com/long-tomato-plants-tomatoes-56430.html
9 years ago Report
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Precious Pea
Precious Pea: How Long Does it Take for a Tomato Plant to Produce?

Tomatoes ripen on the vine.

Bright, red, juicy tomatoes are a treat when plucked from the garden. Tomatoes come in sizes from less than an ounce to more than a pound. Shapes include round, flat, ridged and egg-shaped. Colors include not only red, but orange, pink, yellow white, chocolate and green. The hardest part of tending to tomatoes in the garden may be waiting for that first ripe one.

Variety

Tomatoes take varying lengths of time to reach maturity and produce a ripe crop. Early varieties such as "Fourth of July" take as little as 49 days while the heirloom "Brandywine" takes up to 100 days, twice the time. Tomatoes are on a biological clock that determines when they'll produce. If the tomato requires 85 days, there's not much you can do to speed it up.

Weather

Warm, sunny days encourage the growth of tomatoes, while cool, foggy or cloudy days slow down growth. Tomatoes are self-pollinating. They don't need another tomato plant for pollination. However, if temperatures are below 55 degrees Fahrenheit, the tomatoes slow down flower production. Above 90 degrees, the plant flowers but fruit doesn't set because the pollen dries out and doesn't stick to the stigma -- the female portion of the flower. That means fertilization doesn't take place and no fruit results.

Humidity

Dry air prohibits fruit set. Humidity in hot inland areas can drop below what's required. George Brookbank in his book, "The Desert Gardener's Calendar," suggests using a chemical hormone spray that's made to set fruit in difficult climates. He cautions about overusing the spray.

Poor Growing Conditions

Poor soil, lack of nutrients and lack of water, or too much water, slows down the growth of a tomato plant and may even cause it to die. Insects such as the tomato hornworm infest the plant, stripping the plant down to its stems. Disease such as wilt and blight can kill the plant. A minimum of six hours of direct sun is necessary; not enough sun causes poor growth.

Start Seeds Inside

Start seeds inside on a bright warm windowsill about four to six weeks before it's time to plant outside. The plants will produce tomatoes sooner than if you waited to plant seeds directly in the garden when it's warm enough.

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Hiccup_
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Precious Pea
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Precious Pea
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gokuporter
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Precious Pea
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foosquad
foosquad: I'm surprised to see MsRib is a tomato expert.
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Precious Pea
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foosquad
foosquad: PhD (Tomato)
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Precious Pea
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Hiccup_
Hiccup_: The Missing Tomato
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Precious Pea
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Precious Pea
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