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Mania - Plant Problems
This is certainly a page no tomato grower ever wants to have to visit. If
you have to visit this page, you are having a problem with your tomato plants.
So, we are hoping you have come to this page to learn how to avoid problems
|Seeds don't sprout
||Old seeds, not viable.
Soil too cold. Add bottom heat., use a germination mat.
|Seedlings fall over, cut at the base of the soil
||Most likely cause is Damping Off disease.
Let the top of the soil dry between watering. Add air circulation and
|Seedlings long and leggy
||Not enough sunlight. Move trays from window to window to catch more sunlight.
Set outdoors on warm days. Use a grow light overnight.
|Bushy plants, no flowers or fruit
||If your plant is all plant, chances are you have fertilized to heavily
with a high nitrogen fertilizer.
Stop using nitrogen fertilizers just before the flowering stage. Add potassium
to promote blooms.
|Healthy plants with flowers, no fruit set
||The most frequent cause is poor pollination due to high heat. Highs in
the 90's or above can cause this problem.
As soon as a cool spell arrives, the problem will be resolved.
|Ugly brown spot on bottom
||Blossom end rot is caused by uneven watering and/or lack of calcium in
Keep soil moist, deeply water. Check calcium levels. Add liquid chelated
calcium if needed.
More on Blossom End Rot
|Leaves, yellow and spotted
||The most likely cause is a fungal disease caused by a combination of
moisture on the leaves, heat, and high humidity.
Use a fungicide before problems occur. Water directly to the roots. If you
do use overhead sprinklers, use early in the day to allow the leaves to dry
before nightfall. Thin plants to improve air circulation.
|Powdery white stuff on leaves
||Most likely caused by Powdery Mildew.
Apply fungicides. Use fungicides before hot weather begins to prevent powdery
|Stem cut off at/near soil level.
||Most likely caused by cutworms.
Use pesticides effective against cutworms.
|Tomato skin is splitting
||Too much water all at once. This commonly occurs when a period
of drought is followed by periods of heavy rains. It's also caused by infrequent
Improve drainage. Water regularly and deeply.
Important note: Use pesticides and fungicides as directed by the label
on the container. Keep the container away from children.
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problems - how to identify and cure plant problems
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