this post was submitted on 06 Feb 2025
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Science Memes

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submitted 1 day ago by [email protected] to c/[email protected]
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[–] [email protected] 49 points 1 day ago (1 children)

Where the fuck do people come up with this shit?

No the "vast majority" of crops are not infertile. They are hybrids. Farmers buy the seeds because of a genetic phenomenon called heterosis AKA hybrid vigor. It takes expertise and a shit ton of money to make hybrid seed. If growers could get the same performance from saving their own seeds only an absolute dumbfuck would buy seeds from a seed company.

Now there are a few species that hybrids can only be made by taking advantage of mutants that have male sterility genes. The resulting hybrids are still fertile (produce viable female gametes) but need an outside source of pollen. Examples: onions, sunflowers and carrots.

The only "sterile" seed sold is seedless watermelon aka triploid seed. Seedless watermelons are only sold because the market demands it thanks to a push by the USDA after being created in Japan pre-WW2. The margins on seedless watermelon seed are often 40-50% less than hybrid diploid seed. And don't get me started on the research cost - 14-15 generations for a new female line versus 7-8 for seeded types.

[–] [email protected] 8 points 1 day ago (2 children)

Most hybrids do not produce fertile seeds. You can test it out if you want but it doesn't work. I used to work for a seed company. Beyond that, without fertilizer the soil itself is dead in the vast majority of farming land.

[–] [email protected] 5 points 1 day ago

I have planted seeds from round up ready soy beans. They grew just fine for my needs, which wasn't farming. Farmers have also planted harvested hybrid seeds, Monsanto sues the ones they catch, because it's a contract violation for those that bought seeds.

[–] [email protected] 2 points 1 day ago

Stop your bullshit.

Not only are they fertile, it is standard protocol to purchase competitors hybrid F1 seed and produce F2 seed in most species (except corn). Eventually plant breeders create inbreds (self-pollinating for 6+ generation's). These inbreds are the used to make new F1 hybrids. In Europe this is referred to as "plant breeders rights".

In corn they have to get a little bit more creative. Corn breeders have to keep distinct genetically distant breeding pools to maintain heterosis in their the resulting hybrids. They pull traits from a competitors hybrid utilizing backcross breeding into their breeding pools.