BeyBlade Posted July 27 Report Share Posted July 27 Hello everyone, Polycarbonate does not allow UV light to the plants but glass allow only UVA. What is the best for our plants. Thank you. Quote Link to comment Share on other sites More sharing options...
Tropfrog Posted July 27 Report Share Posted July 27 I don't know what is best. But my greenhouse is polycarbonate and it work fine. I don't think uv light is a vital part of the photosyntesis action spectrum. Br Magnus Quote Link to comment Share on other sites More sharing options...
mantrid Posted July 27 Report Share Posted July 27 most plants require wavelenghs in the blue and red part of the spectrum Quote Link to comment Share on other sites More sharing options...
Tropfrog Posted July 27 Report Share Posted July 27 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. Br Magnus Quote Link to comment Share on other sites More sharing options...
BeyBlade Posted July 27 Author Report Share Posted July 27 Thanks everyone But UV light help the plant to develop color anthocyanins. Quote Link to comment Share on other sites More sharing options...
BeyBlade Posted July 27 Author Report Share Posted July 27 I think it is not normal for a plant to grow without UV light. Quote Link to comment Share on other sites More sharing options...
Tropfrog Posted July 27 Report Share Posted July 27 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. Br Magnus Quote Link to comment Share on other sites More sharing options...
BeyBlade Posted July 27 Author Report Share Posted July 27 But UV light helps the plant to do secondary metabolism. Quote Link to comment Share on other sites More sharing options...
werds Posted November 28 Report Share Posted November 28 UV light plays too an important role in plants. They enhance some secondary metabolism as they rid too of some phatogens. Far-red does it trick too 😉 Quote Link to comment Share on other sites More sharing options...
Tropfrog Posted November 28 Report Share Posted November 28 Well. If it was important for surviving, we would not be able to grow plants in greenhouse, terrarium or indoors. Fact is still valid: most of us grow plants far bigger and far more healthy than insitu without uv light. If it was absolutelly necessary for the plants, there would not be many greenhouses sold. But in fact, in most temperate regions plants grow better in greenhouses than outdoors. Obviously outdoors in the sun is allways best. However, I and many with me don't have the opportunity to grow many CP species outdoors. My collection would freeze to death in winter. So I keep growing my plants without uv light and just don't tell them that it is important to them. To go back to the initial question. I would recomend polycarbonate greenhouse. In my experience it smoothens out temperature swings. Don't need shade cloth in mid summers. Don't break easily. And is a cheaper alternative. Br Magnus Quote Link to comment Share on other sites More sharing options...
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