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scottn14
PostPosted: Oct 14th, '15, 02:37 
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Not sure whats causing this, its on a lot of my lettuce. Any ideas?


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Poppa
PostPosted: Oct 14th, '15, 03:25 
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My guess... Sucking insects... spider mites, whitefly, aphids or the like. Check the undersides of the leaves.
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mwdesign
PostPosted: Oct 14th, '15, 08:22 
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Location: Luquillo, Puerto Rico, USA
Having same problem...
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scottn14
PostPosted: Oct 18th, '15, 05:42 
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No visible mites or any other insect..
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coachchris
PostPosted: Oct 18th, '15, 05:47 
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looks like a disease...but I haven't had any disease problems with my lettuce...yet. Garden Friendly fungicide
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coachchris
PostPosted: Oct 18th, '15, 05:51 
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https://ag.umass.edu/fact-sheets/lettuc ... ria-blight
???
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scottn14
PostPosted: Oct 26th, '15, 00:01 
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Bump. Still cant figure this out, my tomato and cucumber plants have a similar shriveling now too. Leaves look like theyre drying out and getting crusty
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Damian
PostPosted: Oct 27th, '15, 02:32 
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whats your relative humidity? is this an indoor system? if so what type of air circulation do you have?
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