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Name:  aymara
Status: student
Grade: N/A
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Question:
Does a plant needs some darkness to grow?


Replies:
Although not an absolute requirement to grow, some plant seeds do need darkness to germinate:

http://www.ces.ncsu.edu/depts/hort/hil/hil-8703.html

some plants do need a certain number of hours of darkness to flower:

http://users.rcn.com/jkimball.ma.ultranet/BiologyPages/P/Photoperiodism.html

and many plants respire at night:

http://www.newton.dep.anl.gov/askasci/bot00/bot00191.htm

Anthony Brach Ph.D.



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