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Wed, Apr 27, 11 at 19:56
| I read that only seeds that sink to the bottom of a bowl of water will sprout. Is this true? I've got 25 Moonflower seeds in a bowl of water and four of them are floating. It's not worth planting these? |
Follow-Up Postings:
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| That is true for some seeds, but can not be applied to all seeds. I would not use it as a screening for seed viability. Al |
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- Posted by poisondartfrog 7a (My Page) on Fri, Apr 29, 11 at 12:47
| Agreed. You don't say what kind of Moonflower but if it is an Ipomoea you can gently nick the seeds to allow water to penetrate the seed coat and "sink" them. |
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| Thanks for the responses. Indeed, the seeds I'm asking about are Ipomoea alba. I decided to plant all of the seeds, floaters and non-floaters. Using a nail clipper, I also scarified the seeds that still had a hard outer shell after soaking. Since my first post I read at a different forum that this idea that seeds float in water when they've lost their viability is more folklore than a science. We'll see. |
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