Plants and UV light

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1 hour ago, mantrid said:

most plants require wavelenghs in the blue and red part of the spectrum

I would think that all plants have very similar photosyntesis action spectrum. Blue and red is the most powerful waveleangths but not the only ones utilized. The only ones less important seems to be green, UV and IR.



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49 minutes ago, BeyBlade said:

I think it is not normal for a plant to grow without UV light.

Obviously all plants in situ gets uv light so in that sence it is normal, yes.

Most plants grown in greenhouses or in indoor setups do not get any uv. So in cultivation it is normal to grow without UV.

Most growers grow plants far bigger and healthier than in situ plants. That gives a hint that UV, normal or not, is not a key in success.



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