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2 years, 10 months ago

why is there a single brown seed amongst the seeds of a fresh melon?

every summer, i grow melons. when i cut them open to scoop out and save the seeds i notice one dark brown seed among the light tan seeds. is there a reason for this? has anyone ever noticed the same thing in their melons?
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phryne | 2 years, 10 months ago
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The genetics of melons is more complicated than you were told about in biology class.

In basic biology they discuss diploid genetics: two sets of chromosomes coming together. But melons come in triploid (three chromosomes) and tetraploid (four chromosomes) varieties as well, even within the same species of melon.

Most melons are grown as hybrids: they mix two different species together to make the plants. Those plants don't breed true. That is, if you plant the seeds you grow, they won't turn into the same plant, because the complex genetics mix differently. Using hybrids of two other species gives consistent results.

Some melons are deliberately crossed to produce seeds that don't develop. That's how you get seedless melons. You can get more of them by breeding the parent species again, but they don't grow themselves. Those tend to be the ones where they mixed a diploid with a tetraploid species, yielding a triploid that doesn't develop seeds.

When you see a plant with one seed different from the others, you're often looking at a case where the chromosome count matched up differently. That happens when the chromosomes divide and mix in producing the seeds and pollen. Thus, you can get a dark seed in a plant otherwise producing light ones, or a seed in a seedless melon.

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dnatureofdtrain | 2 years, 10 months ago
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Sometimes the brown seed is the only good seed other times they are the bad or rotten seed. One way to tell is to place it in water without the pulp on it and see if the seed floats or not... The Imature or bad seeds usually float to the top.

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mady | 2 years, 10 months ago
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There is no reason behind this dark seed. every thing has different colors so don't think so much about this.

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jfs | 2 years, 10 months ago
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just one?

What sort of melon are you speaking of?
What are you saving the seeds for?
Are you already harvesting melons?

No, to answer your questions, I have not noticed this.

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mamakin | 2 years, 10 months ago Report

yeah, just one. i've been noticing this for 3 growing seasons now.
the melons range from my native navajo melons, to casaba melons, to the honey dew types i grow......
i'm saving seeds to plant for the following growing season.
YES!! ^_^ already harvesting melons!!! i started with my little tigger melons, and now have some casaba types and new mexico melons or cochiti melons.....yum!!

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