Do plants require SOME darkness in order to grow?

Subject: Do plants require SOME darkness in order to grow?

Date: Fri Mar 17 12:42:50 2000
Posted by Kaitlyn
Grade level: 7-9 School: Carver Middle School
City: Carver State/Province: MA Country: Plymouth
Area of science: Botany
ID: 953318570.Bt

Message:


I have set up an experiment with 3 sets of plants: under a plant light 24 
hrs. a day, 12 hrs.light-12hrs.dark, and darkness 24 hr. a day. I have 
proposed that the plants do not need darkness. I still think I'm correct 
in my hypothesis, however, won't the products of the light reaction build 
up with constant light and therefore,won't plants with SOME darkness grow 
better? Can both dark and light reaction occur at the same time?

Re: Do plants require SOME darkness in order to grow?

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