Live data from Hacker News

Arborists Have Cloned Ancient Redwoods from Their Massive Stumps

e360.yale.edu

31–40 of 121 posts

Re: Arborists Have Cloned Ancient Redwoods from Their Massive Stumps

#31
post #28

“Cloning” here seems the wrong (click-batey) choice of words. They have horticulturally propagated redwood trees - that’s a relatively simple technique, commonly used by your average gardener. What’s special here is that they found which conditions maximize the yield of the redwoods propagation and they are planting colonies of the new trees in areas around the world that offer particularly good/promising climatic co…

This technique, taking cuttings is surely a form of cloning?

Re: Arborists Have Cloned Ancient Redwoods from Their Massive Stumps

#32

That stump is sad reminder of greedy destruction we have bought to the world. I hope we can reverse it.

The people that felled that tree for its essential raw materials did so under hardships and conditions thankfully many of us will never know, and not in small part due to the toil and labour of previous generations.

That does not make it any better for us. Previous generations bought good and bad both and that's the legacy we have to live with or die. We just don't know yet.

Re: Arborists Have Cloned Ancient Redwoods from Their Massive Stumps

#33
post #28

“Cloning” here seems the wrong (click-batey) choice of words. They have horticulturally propagated redwood trees - that’s a relatively simple technique, commonly used by your average gardener. What’s special here is that they found which conditions maximize the yield of the redwoods propagation and they are planting colonies of the new trees in areas around the world that offer particularly good/promising climatic co…

I believe the original meaning of cloning was indeed to grow a plant or a tree from a cutting and such plants are identical to the original — this term is still used in gardening.

Re: Arborists Have Cloned Ancient Redwoods from Their Massive Stumps

#34
post #28

“Cloning” here seems the wrong (click-batey) choice of words. They have horticulturally propagated redwood trees - that’s a relatively simple technique, commonly used by your average gardener. What’s special here is that they found which conditions maximize the yield of the redwoods propagation and they are planting colonies of the new trees in areas around the world that offer particularly good/promising climatic co…

Found this googling

>Coast redwoods can grow three to ten feet per year.

pretty impressive!

Re: Arborists Have Cloned Ancient Redwoods from Their Massive Stumps

#35
Fun fact: Metasequoia are in New York City and New Jersey. Around the five boroughs are 100 year old, towering Dawn redwood! I have even seen full grown trees in Cresskill, NJ. Recently, a two year art exhibit in Brooklyn [1] concluded that used more than four thousand live, baby Metasequoia. All of the trees have since found new homes, but I am unsure where the recipients are.

I now have a baby Metasequoia growing in the corner of my front lawn. The tree was a gift from the owner of the tree farm that supplied the Dawn redwood for the exhibit.

[1] https://www.publicartfund.org/view/exhibitions/6126_spencer_...

Re: Arborists Have Cloned Ancient Redwoods from Their Massive Stumps

#36

Earlier quoted context omitted.

Except the trees that were used for cloning have a proven track record of being able to survive for hundreds of years (“some of which were 3,000 years old”).

It would be highly unlikely that the seeds aren't also capable doing that.

Right. But the clones were made from stumps, not from seed-bearing trees.

And even if you used seeds from “old trees”, there would be no guarantee that the entire genome in the seed originated from “old trees”, or that the relevant genes responsible for “getting old” are expressed to the same extend as in the old tree stumps.

I'm all for genetic diversity, but I think the researchers have a point when they use living cells from provably very, very old trees to establish new trees. Even if you took seeds that were known to have a genome originating from one or two “old trees” there would be significant genetic variation in the seeds, and it would take centuries before we know if a plant from a given seed has what it takes to become as old as its parent(s).

Re: Arborists Have Cloned Ancient Redwoods from Their Massive Stumps

#37
Nitpick:

> ...some of the world’s oldest and largest coast redwoods, some of which were 3,000 years old... > a nonprofit working to reestablish ancient redwood forests to help combat climate change. Coastal redwoods, which can grow an average 10 feet per year, sequester 250 tons of carbon dioxide from the atmosphere over their lives, compared to 1 ton for an average tree.

Yes, but over Not that it matters though, the achievement is great, and I hope this helps us return many species that went extinct only because they had the misfortune to exist at the same time as humans.

Re: Arborists Have Cloned Ancient Redwoods from Their Massive Stumps

#38
post #28

“Cloning” here seems the wrong (click-batey) choice of words. They have horticulturally propagated redwood trees - that’s a relatively simple technique, commonly used by your average gardener. What’s special here is that they found which conditions maximize the yield of the redwoods propagation and they are planting colonies of the new trees in areas around the world that offer particularly good/promising climatic co…

A plant grown from a cutting is indeed a clone. It is the actual tissue of the original plant, just grown out. Same DNA as the original plant. Only, you use clever techniques to stimulate undifferentiated cells to produce roots.

One of the linked articles, however, shows plants growing in little plastic jars. This looks like "tissue culture", which takes a plant cell sample and causes it to grow in a culture medium. But, still, it's cells from the parent plant grown out.

Re: Arborists Have Cloned Ancient Redwoods from Their Massive Stumps

#39
post #18

This species of tree grows all over Northern Coastal California and there huge preserved areas of old growth trees throughout the region. It is great to keep replanting coastal redwoods to help replace all the ones that were cut down, but this cloning of gigantic old stumps sure feels like a pure propaganda move with no ecological benefit over using seeds. It is likely a bad idea to plant a lot of clones of single in…

For some plants, there is a great variance in behavior between the parent plant and a plant grown from seed.

Apples for instance, if grown from seed, likely will not carry all the properties of the parent plant. E.g., the fruit will not taste the same.

Apple trees mostly have desirable fruit bearing tissue grafted onto plain understock.

Also, some plants show different growth characteristics in mature tissue than in young tissue, but I don't know if that applies to the redwoods.

Re: Arborists Have Cloned Ancient Redwoods from Their Massive Stumps

#40
post #25

Earlier quoted context omitted.

"we" are not doing that; if "we" did "we" could take responsibility and stop it. There's some very specific companies and governments we can point a finger at.

Consumers around the world are buying the wood and the palm oil that gets planted after the trees have been chopped down.

I've never been a fan of this sort of argument. If everyone decided to stop buying something, that still doesn't stop a regular batch of that thing being produced, or in this case it doesn't stop them from cutting down the trees with the assumption that they will sell. If they don't sell well, they can't un-cut the trees.
Post reply on HN