Live data from Hacker News

Growing a mango tree from seed – one year time lapse [video]

youtube.com

1–10 of 219 posts

Re: Growing a mango tree from seed – one year time lapse [video]

#3

I eat mango (10 per year?), but I never opened the shell of the seed. I thought it was the seed. Does anyone know why the leaves are initially so dark and then become lighter? Is that common in plants?

> Does anyone know why the leaves are initially so dark and then become lighter? Is that common in plants?

I’ve noticed the same thing in frangipani. I assume it has something to do with the same amount of chlorophyll being distributed over a greater area, but that’s just a guess.

Also note that the leaves don’t just get lighter as they grow: the older ones also start to become dark again as they die.

Re: Growing a mango tree from seed – one year time lapse [video]

#5
Amazing video! I recently found some ginkgo seeds and have also been trying to make them grow. Some had naturally germinated, so I tried to replicate the conditions where I found those ones (covered with ~1cm of soil, in a shady spot, receiving some rain), but no luck as of now. Perhaps I should try soaking some in water in a closed container as shown in the video. (Assuming it is water, of course; a clear liquid could be nearly anything.)

Re: Growing a mango tree from seed – one year time lapse [video]

#6

I eat mango (10 per year?), but I never opened the shell of the seed. I thought it was the seed. Does anyone know why the leaves are initially so dark and then become lighter? Is that common in plants?

> I eat mango (10 per year?), but I never opened the shell of the seed. I thought it was the seed.

The seed can be planted with the husk, but removing it speeds up the germination because the embryo can access light and water more easily.

Re: Growing a mango tree from seed – one year time lapse [video]

#8
For growing mango from seed, or really anything from seed, you cannot beat a small plastic container (like what cottage cheese, sour cream, or green yogurt might come in) filled halfway with coconut coir. It's absolutely the best medium for germinating seed. Fill halfway with coir and water once a week. Coconut coir keeps water evenly distributed and I've never had a seed or seedling mold over using it.

I personally use 2 lb greek yogurt (or soup, as in from Costco) containers because the extra height also lets me keep the seed in there longer and develop initial root structure. That's incredibly helpful for transferring to pots, and a little coconut coir in the soul doesn't hurt.

Re: Growing a mango tree from seed – one year time lapse [video]

#9

I eat mango (10 per year?), but I never opened the shell of the seed. I thought it was the seed. Does anyone know why the leaves are initially so dark and then become lighter? Is that common in plants?

>Does anyone know why the leaves are initially so dark and then become lighter? Is that common in plants?

From what I've seen it's common in at least a subset of plants, that fresh leaves have a very distinctive red-ish colour.

Re: Growing a mango tree from seed – one year time lapse [video]

#10

I eat mango (10 per year?), but I never opened the shell of the seed. I thought it was the seed. Does anyone know why the leaves are initially so dark and then become lighter? Is that common in plants?

> I eat mango (10 per year?), but I never opened the shell of the seed. I thought it was the seed. The seed can be planted with the husk, but removing it speeds up the germination because the embryo can access light and water more easily.

I assume they evolved to have the inedible husk to prevent damage while being eaten and increase the distance from the original tree, effectively delaying germination. (If you can describe evolution as having an intention…)
Post reply on HN