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Can All Plants Be Preserved in Seed Banks?



Today's episode is brought to you by Oregon. You know, when something goes wrong at home, and you just freak out. I have definitely had my moments, especially when it comes to pests ants in the mirror, Nara, cockroaches, hanging out around your bubble, bath and uninvited rat a your daughter's birthday party. Don't let pets through in the moment. Get an architect out to your house tomorrow Bill. Protect your time and your temper visit organ dot com to say fifty dollars on your first mosquito service with the promo code brain. Organ home is where the bugs aren't. Welcome to brain stuff. Production of iheartradio. Hey, brain stuff, Lauren vocal bomb here. If you've ever heard of a seed Bank, the basic idea is this when the apocalypse is over and the forests are nothing, but smoking ruins and the fields Barron of grain fear. Not we can rebut the world thanks to our bench seeds stored in bunkers strategically located from here to eternity. These fall barred international seed vault in Norway, for instance, currently holds more than eight hundred eighty thousand seeds and has the capacity to hold up to two point five billion. Seeds are pretty amazing forms of reproduction. All you need to do is dry them out and freeze them solid and they can last for years. It's a comforting thought and ace up civilization sleeve, and the seemingly less and less unlikely scenario that we self destruct the UN's global strategy for plant conservation plans to Bank seventy five percent of all plant species by twenty twenty but hold that. Arguably comforting thought according to a study from researchers at the Royal Botanic Gardens Q, there's a significant catch they discovered that whole host of plant seeds just can't be banked, including Cotto ca cow and mango their findings which were published in November twenty eighteen issue of the journal nature plants detail, how a full thirty three percent of tree species alone are on this list, including oak and chestnut. Trees were still thirty six percent of our critically endangered species are also on bankable, and that's not even counting twenty seven percents of the regular old endangered plants or thirty five percent of the vulnerable ones. So why can't these seeds be banked apparently, not Alcides like the drying out process and for this? They're labeled recalcitrant seeds, which seems a little unfair calling. Seed stubborn just because it can't tolerate dehydration as a bit rich coming from species that can barely last two days without water. Luckily, there's a way out of this jam and it involves liquid nitrogen, which is always fun. Yes. To make sure we've got all our seeds safely tucked away in indefinite storage. We have to resort to cryopreservation dislike Ted Williams and all the other immortals being kept on ice. All one has to do is dissect the seed, priorites embryo and plunged into smoking cold nitrogen instead of storing seeds at conventional negative twenty degrees celsius that's negative for degrees Fahrenheit, going cry. Oh will keep these finicky seeds in suspended animation at a subglacial temperature of negative one hundred ninety six degrees celsius that's negative three hundred and twenty degrees Fahrenheit. Some researchers advocate cryopreservation for all seeds, even the cooperative ones because they'll last longer. Of course, a full out. Apocalypse isn't the only reason for banking seeds climate change habitat loss and the growing threat of plant pathogens are already threatening bio-diversity. So the time to preserve seeds is now though taking steps to protect habitats and slow climate change would certainly be good as well. Today's episode by Ashim Koran and produced by Tyler Clary, brain stuff is a production of I heart radio. How stuff works for more on this and lots of other super cool, topics. Visit our home planet has two forks dot com and for more podcasts. Right. Heart radio was the iheartradio app. Apple podcasts or wherever you listen to your favorite shows. Today's episode is brought to you by the Bob left's, that's podcast. If you want to know, how the music industry, really works. The Bob left's that's podcast is for you. Bob spent decades writing the left's that's letter which is read by everyone in the biz Bob, not only sucks the headlines on earth's history and discovers what makes people tick and how they got where they are from ax to promoters to agents to publishers to household names. They're all interviewed depth by Bob. A splendid time is guaranteed for all listen to the Bob left sets podcast, apple podcasts. I heart radio app or wherever you get your podcasts.

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Can All Plants Be Preserved in Seed Banks?

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