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A curious gardening tool

Hat tip to BoingBoing for the link to this bit of gardening equipment: High Tech Plant Examining Glasses

How They Work:
The specially designed lenses block out green color reflected from chlorophyll in healthy turf and greenery, causing it to look black or gray.

Since the human eye is extremely sensitive to light in the green color range, any off-green colors that might be caused by disease, water, or pests will stand out against the black background as glowing red, coral, pink or other hues. This allows problem turf and plants to be quickly identified, much earlier than you would be able to see it with the naked eye.

Looks interesting but I don't think I want to spend $50 to see how well it works... Posted by DaveH at March 27, 2008 6:01 PM