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Hi all

My Asahi Zuru taken ill. It's not undercover here in South London but doesn't get the sun all day, was sprayed with SB which might have been a bit strong but no other trees have been affected.
Any ideas?

QueensKing wrote: Hi all
...was sprayed with SB which might have been a bit strong...

Sorry, but what is "SB"?

that looks more serious than overwatering or leaf burn. probably fungus or diseased.

I got 2 young saplings of these, extremely sensitive to direct sunlight, even if just for an hour or 2 daily.
Especially around noon of course.
Mine got second chance to live after I placed them under the shading net.
I would say it is leaf scorch by your pics.

scroce by dry wind or foliar fertilizer

It's all round health spray... Recommended by a grower.

SB Plant Invigorator 500ml Concentrate

Thanks all, I'll get it out of the sun water it well and hope for the best. It was fine before the folia spray so I think it must be that. Fingers crossed.