Not sure why the best answer got a thumbs down. That answer was right. Tomatoes don't set in extremely hot weather. I go through this every year, since I live in Southern California, and I've read about it in almost every garden reference book I've picked up (the sources I've read said 95 degrees). If you plant in the early spring, you'll get some fruit by now. But through July and August the flowers tend to dry up and fall off without setting fruit. It can depend on what variety you have, and where they are located in your garden. Obviously, varieties developed for hot climates, and plants getting a bit of shade at the hottest part of the day might perform better. Be patient and keep up the watering. Once the days get a little cooler the fruit will set up just fine. And if the frost is late this year, you may even have tomatoes on into November.
2007-08-04 06:34:24
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answer #1
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answered by Robin 2
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Tomato flowers need a little nodging if it hasn't been windy enough because "Self-fertile" isn't the same as "self-pollinating". They still need outside motion from the wind or bees.
"Tomato flowers come complete with both male and female organs and are self-fertilizing. Pollen is shed with great abundance between 10:00 a.m. and 4:00 p.m. on dry, sunny days. Normally, the wind will pollinate the flower sufficiently. To ensure better pollination, gently shake or vibrate the entire tomato plant. The best time to do this is midday when it's warm, and the humidity is low. Optimum fruit set occurs within a very narrow night temperature range of between 60° F and 70° F. When tomato plants experience night temperatures lower than 55° F or above 75° F, interference with the growth of pollen tubes prevents normal fertilization. The pollen may even become sterile, thus causing the blossoms to drop. High daytime temperatures, rain, or prolonged humid conditions also hamper good fruit set. If the humidity is too low, the pollen will be too dry and will not adhere to the stigma.
If the humidity is too high, the pollen will not shed readily. Pollen grains may then stick together, resulting in poor or nonexistent pollination."
http://home.att.net/~renton/tomato.htm#ripening
Good luck! I hope this helps.
2007-08-04 07:10:06
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answer #2
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answered by ANGEL 7
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It would appear to be a nitrogen deficiency - or lack of water - the flowers are where a tomato should begin to form - Unless you live in a southern state where you can plant again , I'd say you are screwed this year...an outside chance is insects (probably aphids) are inside the stem and sucking the juice befeore it gets to the flower...sorry.
2007-08-04 05:32:17
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answer #3
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answered by Anonymous
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first of all you have to ask yourself if you planted them in them right time of the year especially by the farmers alminac.
did you use enough fertilizer?
have you watered enough but not too much. To much will cause them to dye also
do you have a pest problem?
If you can ger your hands on a farmers almanac it will serve you better inthe future. Tomatoes Start forming from the flowers on the plant so if they are turning brown it could be from the weather, water or pests. I hope this helps
2007-08-04 05:32:56
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answer #4
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answered by chris 3
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Tomatoes don't set fruit much above 80 degrees. There is a product called fruit set that you spray on the flowers, it works to some extent.
2007-08-04 05:31:02
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answer #5
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answered by renpen 7
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It could be that they are not pollinating. The flowers only stay alive for a certain amount of time before drying up if not pollinated.
2007-08-05 01:30:44
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answer #6
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answered by KathyS 7
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When did you plant them? Should be the end of May.
Did you keep them watered? They need this daily preferrably in the evening when the sun has gone down.
Did you notice bugs or worms on them? I sprinkle a fine bug dust on mine.
Did you plant them too close together? They should be a 1ft-2ft. apart.
2007-08-04 07:43:54
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answer #7
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answered by sonnyboy 6
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