Tomato plant issues

In message snipped-for-privacy@googlegroups.com, Lee Nowell snipped-for-privacy@nowell.me writes

Too hot?

My greenhouse glass got a dose of *whiting* several weeks back. Bit like whitewash but can be easily removed in the Autumn.

Not obvious how much ventilation you can arrange with yours.

First question for the gifter would be *are they an indoor or outdoor variety?*

Lots of advice on the web.

Could it be tomato blight?

Besides, some people just seem to kill plants without any help. Yes you need to defuse the sun, and you must not over water. I remember my late Mother growing them. We had some pests, Snails much them at the bottom, and there are mites and aphids as well, most of which love the sun it seems. Brian

They were growing them in a green house hence why I thought I would follow suit. There aren't any vents so assume it could get quite hot in there. I have now opened the front to see if that helps.

You're using a watering can which you previously used for weedkiller and didn't thoroughly clean. BTDTGTTS.

Really?! That level of dilution (assuming it's been rinsed a couple of times) still has an effect?

Near aromatherapy dosage levels :-)

Good thought but I have been using an empty 2L drinks bottle

Have you used the compost for anything else? If not, I'd test it with a weed first. Although it's difficult to kill tomato plants with heat, if the greenhouse was fully sealed and not ventilated it could be the cause, especially with the hot sunny weather we've been having.

Sodium Chlorate is mean stuff. Where I intentionally used it, nothing grew for two years.

I had a similar effect from a gallon of spilt heating oil.

Mine was fresh out of a new bag so should be ok.

Don't believe that. Ours survive 10 days of 48C max fine and that is the temperature in a stevenson screen, not what the tomatoes actually see. And they don't die as he described either.