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green light

Dave wrote:

>Date: Fri, 13 Mar 1998 08:19:18 -0600 (CST)
>From: eworobe at cc_UManitoba.CA
>Subject: Re: Green Light

>Plants can utilize green light for photosynthesis. This occurs because,
>even though chlorophyll does not absorb green light, accessory pigments
>do. The energy captured by the accessory pigments is then magically
>transferred to the applicable photosystem. Take a look at Barry James'
>look on P. 21 and you will clearly see what Im talking about.


I understand that the green part of the spectrum CAN be utilized but I didn't
notice it is a requirement for a correct growth. am I right? and is ALL 
the green
emission energy of typical tri-phosphore tubes efficiently used?