Quote:
Originally Posted by KarenO
Every spring I used to wipe down the inside of my greenhouse and benches with dilute bleach rinse with a spray of plain water and let dry.
A clean greenhouse is a happy greenhouse 
If you have had fungal problems like damping off, powdery mildew, grey mold etc. it`s a good idea I think.
KarenO |
I think so too, Karen, it is only common sense.
What do you make of the below on powdery mildew ? Seems a reputable source.
Quote:
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these are obligate pathogens, thus they need living host plant tissue to survive (they cannot live in diseased crop debris over winter).
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from here
http://livegpath.cals.cornell.edu/ga...w-on-tomatoes/
in the paragraph above the image of a mildewed tomato plant.