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Thomas Bj|rkman Thomas_Bjorkman at cornell.edu
Wed Jan 5 17:55:50 EST 1994

In article <2gcuof$a3p at mserv1.dl.ac.uk> Dan Szymanski,
Dan_Szymanski at qms1.life.uiuc.edu writes:
>     Also, there is a purple pigmentation at the base of a 
>inflorescences that demonstrate a typical response, but all plants
>lack the pigmentation do not alter their growth aspect in reponse
>mechanical stimulation? Is this indicative of a requirement for 
>anthocyanin production?

I've never seen this in tomato plants, though lack of fertilizer
makes them turn purple and slows growth. 

I wish there wre good answers to your other qustions.  There are a
variety of responses that are mechanical, biochemical and electrical
but I would be loath to try to put them in a causal sequence.

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