Daylily breeders use the Deno method with hydrogen peroxide water to add oxygen to the germination bag. I've done it booth ways with no notice of any difference in growth.
I've been growing out some hosta babies from seed and watered once with dilute H2O2 to kill fungus gnats (I also have mosquito bits in my arsenal) and the tray I repotted look great. Not sure of it was beneficial to the growing of the plant but the fungus gnats are a constant battle this year. It can't hurt from my experiments. Not the magic pill though.
- Lisa
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