Cigarette Smoke Effects On Plants?

ellen at spam.free.at.last ellen at spam.free.at.last
Thu Jan 29 19:54:40 EST 1998


In article <1998Jan29.132811.29204 at jarvis.cs.toronto.edu>,
Beverly Erlebacher <bae at cs.toronto.edu> wrote:
>In article <01bd2ccb$df4a1780$1f621e82 at oemcomputer>,
>Ken Wolfe <wolfe at intellistar.net> wrote:
>>When I was in high school my science project was to see the effects of cigs
>>on plant growth.  The plants were kept in a terrarium type structure.  One
>>terrarium had cig smoke blown in twice a day the other had just regular
>>air.  Initially the plants receiving the tobacco smoke grew faster. 
>>However, after a few weeks they stopped growing and the others grew larger
>>and seemingly healthier.
>>
>>No hypothesis as to why just empirical evidence that concentrated smoke
>>damaged the plants.
>
>Could be the tars coating the leaves and inhibiting gas exchange, and/or
>coating the glass and reducing incoming light.

And it could be the teacher getting upset that the experiment wasn't
working out as intended... ;)



More information about the Plantbio mailing list