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4 votes

What Causes the White Layer on These Leaves?

The major problem your plant has here is a very heavy scale insect (Coccomorpha) infestation. These are sucking insects that bite into the veins of plants and suck the sap. They are related to aphids, ...
bob1's user avatar
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4 votes

Is it possible to live without iodine? (sea plants, seaweed or fish?)

Iodine is a component of the thyroid hormones, thyroxine and triiodothyronine, so it is indeed a human nutritional requirement. According to this Harvard University webpage, milk (especially), eggs ...
David's user avatar
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1 vote

What indoor plants or groups of plants are significant consumers of CO2?

Possibly one of the extremely fast growing aquatic plants such as Azolla might be an option. Plants in this genus are sometimes mentioned as carbon dioxide remediation mechanisms due to their ...
Maximilian Press's user avatar

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