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Posted: Mon Jul 14, 2008 4:58 pm
by Granny
I haven't any signs of blight yet on tomatoes and no warning yet either. When is the optimun time to start spraying - now or when I get sent a blight alert? (Nothing on potatoes either, but it's the tomatoes I'm asking about) Any advice is welcome.
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Granny
Posted: Mon Jul 14, 2008 10:39 pm
by Mike Vogel
I have not noticed anything wrong with my spuds or toms yet. We had 24 hours of rain a week ago last Wednesday and another 10 mm this weekend, but generally it has been quite dry with sporadic rain. I am prepared to dig all the spuds, but they were not badly affected last year, unlike the tomatoes. These are all protected with a straw mulch this year, so rain will not be splashing blight spores from the soil onto the stems [I practise rotation anyway]. Whether the blight gets at them another way is a different story. We'll see.
mike
Posted: Tue Jul 15, 2008 9:02 am
by Primrose
Granny, Having seen the various blight warnings starting to appear and more rain to come as a long term forecast, I decided that as I've got a lot of tomato plants, it was better to spray them while they were looking healthy, as I can't risk losing them. If you haven't got any blight warnings in your area yet, it's a judgement call on your part whether to wait until it arrives or spray now as a precaution.