Texas Tech hortspecialist explains purple lights on tiktok

If you have ever walked past the biology building on the Texas Tech campus at night, then you have probably seen the greenhouse that glows a bright purple color. But why?

Vikram Baliga, a research associate, greenhouse manager, and self-proclaimed ‘plant nerd’ at Texas Tech University, recently posted a video on TikTok explaining how light impacts plant growth.

According to the video Baliga posted, plants, like the cucumber plants they have growing in the greenhouse, primarily absorb red and blue light. So, when putting lights in a greenhouse, they have to consider what will provide the best type of light to help the plants grow. This means matching the lights to the red and blue spectrums that the plants absorb the best. If you mix red and blue, you get what looks like purple. 

Baliga also talks about the reason that most plants look green to us. This is because most plants don't absorb green light, therefore reflecting the green light into our eyes, giving them that color.

Read the complete article at www.kkam.com.

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