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Tomato pesticides, anything better than Malathion?
"zxcvbob" wrote in message ... Omelet wrote: In article , zxcvbob wrote: Me neither! But that black growth sounds suspiciously like blight - which no amount of insecticide - or fungicide, for that matter - is going to cure. If that's really what it is, there isn't much you can do except remove affected leaves and fruit and hope it only spreads slowly. However, since blight thrives in humid conditions you should probably cut down on the spraying too. I wonder if a sulfur treatment would help? Bordeaux mixture should work, and it even sticks pretty well through rains. Bob I'm not familiar with that. I'll have to google it... Copper sulfate and slaked lime. I think it's even "organic" approved. Bob what role does the lime play? We have copper sulfate spray which I use from time to time, but not with lime. rob |
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