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0answers
26 views

why some are monocot and some dicot and some multicot? [closed]

I can understand that Cotyledons store food for embryo for future growth. But why some seeds are monocots and some seeds are dicots and some multicotyledonous(gymnosperms)? Can't they just manage ...
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1answer
42 views

Previously frozen papaya seeds sprouted. How will it affect the plants?

I thought about asking this on Gardening SE, but it seems to me as a technical subject which requires biological expertise to answer. This is not something that usually occurs for gardeners, so I don'...
0
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1answer
49 views

What is this little white creature?

Please identify this little and soft white creature. Since childhood I am seeing this things flying in my surroundings and nowadays they are seen occasionally.
7
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1answer
808 views

Could potatoes that have been refrigerated for 142 days still sprout?

I know that potatoes can still sprout even after being refrigerated, but could you refrigerate them for 142 days still use them as seeds to grow more plants after that? As for the temperature of the ...
5
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3answers
32 views

Wax layer destruction from seed coats

I'm working with some orchid species, and i encounter a specific issue. Some of those species deposits upon their seed coat a wax layer. This layer makes seeds behave in a very hydrophobic way. You ...
4
votes
1answer
71 views

Determine which seed will germinate first

I recently studied about plant physiology for a test. Strangely, there was this question which I had no idea how to approach. The question is, Which seed will germinate first? a) Castor b) Wheat c)...
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0answers
19 views

Yew seed dormancy reduction

Yew seeds have very long dormancy when artificially planted. They are also adapted to passage through digestive systems of animals that eat/transport them. But could the dormancy be shorter (or the ...
3
votes
1answer
45 views

What sort of seed pod is this?

My son found this floating in a stream in Massachusetts, in the northeastern US. It was intact when he found it, but he cracked it open to see what was inside. I did some Google image searching, but ...
1
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0answers
67 views

Why is it easy to separate the cotton wool from the roots of young plants grown in cotton?

In my book it is said that if we grow Maize and Gram seeds in wet cotton, after the seeds are sprouted it is easy to separate the cotton wool from the roots of young plants. My question is why is it ...
3
votes
1answer
71 views

Confusion regarding seedless grape and the normal process of germination

In general, does seedless grape by definition contains seed or is the seed small enough that the process of ingestion creates the illusion that there is no seed? If the latter is true, is the ...
1
vote
0answers
51 views

Why do some fruits have their seeds disintegrated

Sometimes I'd come across a Lychee or a Naseberry whose seeds are kinda disintegrated.. in a thick powdered form, either completely or partially. What could cause such a thing? And is the fruit with ...
2
votes
1answer
86 views

How are oranges in the US or anywhere made seedless?

How are oranges in the US or anywhere made seedless? Please explain the broad principles and not the technicalities.
3
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1answer
1k views

What happens when seeds are refrigerated before planting?

My son is doing a science research project at school, and he's chosen to research what happens when seeds are refrigerated before planting. I cannot provide any information in regards to background ...
5
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2answers
1k views

If DNA has a half life of about 500 years, how can old seeds be planted?

According to this article, DNA has a half life of 512 years Wikipedia claims that there are seeds planted as old as 31000 years Doing the basic math $100 / (2^{30000/512})$ we get that only about $...