You've seen it all? Try this one!!

[tim]

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[tim]

[brown thumb]

whats happened there is it the dreaded blight or wind damage

[Old bird]

Oooh dear Tim!

Whats happened?

OB  :o

[Ellen K]

Had a google for "crispy ends on tomato plants" and the internet thinks it could be something called Fertilizer Burn.

Mind you, a little google can be a dangerous thing ....

Cut the dead bits off and hope from the best, but give the Tomorite a rest for a week or two.  Plant should recover.