Ask A Scientist Botany Archive

 
name         Lena
status       student
age          13

Question -   My project is:  Does a plant need darkness to grow?
-----------------
Generally, it depends upon the species (kind) of plant. Some seeds have a 
darkness requirement for germination. Most plants need some hours of 
darkness to trigger flowering. The following might be useful.
http://www.kidsgardening.com/onlinecourse/sneakpreview.htm
http://users.rcn.com/jkimball.ma.ultranet/BiologyPages/P/Photoperiodism.html
http://www.ces.ncsu.edu/hil/hil-8703.html
http://www.urbanext.uiuc.edu/hortihints/0012b.html

Anthony Brach Ph.D.
===========================================