In article ,
Higgs Boson wrote:
On Monday, July 22, 2013 4:14:20 AM UTC-7, songbird wrote:
Higgs Boson wrote:
...
They started out like gangbusters; bore plenty of fruit.
But foliage began to look crappy and twisted (no critters;
I checked), and plants have now been almost denuded.
what kind of tomatoes?
They have had food, water, and plenty of sunshine. So why?...
dunno. need a better description than "crappy
and twisted".
picture of leaf and stem would help, but even
then it could be something other than disease.
This is So Calif coastal.
songbird
OK, finally took pic.
http://tinypic.com/r/2z8szsz/5
I took another that showed a healthy plant right behind this one, but got
*****ed up on TinyPic. Can't seem to figure it out g
HTH
HB
HTH
Fusarium Wilt, this fungal disease most often affects tomatoes. It
enters a plant through natural openings and wounds in the roots and grow
up into the stem, where it blocks the supply of nutrients and water to
the leaves. The first indication of infection is when a part of the
plant starts to wilt on sunny afternoons, though it usually recovers
when the temperature drops (this often starts to happen when plants
begin bearing fruit). Eventually the infection spreads through the whole
plant, lower leaves turn yellow (and may eventually die) and the stem
becomes discolored. Plants donšt always die, but it slows growth and
reduces yields. Fusarium is rarely a problem for commercial growers
because most modern tomato varieties have been bred to be very
resistant. If you stick with resistant varieties you donšt have to worry
about it either. Many of the older heirlooms donšt have any resistance.
If any plants start to show symptoms of partial wilting you should
remove them immediately to reduce the spread of this disease. The spores
can survive in the soil for up to 7 years. It looks as if the tomatoes
may be in a raised box, so if it is Fusarium Wilt, don't reuse the soil
for Solanaceae. Be sure to disinfect tools used in the soil to prevent
spreading the disease.
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