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4
votes
1answer
56 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 ...
1
vote
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 ...
2
votes
0answers
24 views

What mechanism is responsible for germinating in the right direction (root towards gravity)? [duplicate]

Regardless of the initial seed orientation, the root always grows/sprouts/germinates "towards gravity" (see picture), sometimes curving around in sharp 180°. What is the mechanism responsible for ...
3
votes
1answer
70 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 ...
3
votes
0answers
150 views

What metabolic processes do dormant and ungerminated seeds carry out?

What metabolic processes does a dormant embryo in a seed carry out? Seeds will not germinate, either because of a lack of favourable conditions, seed hibernation, or because of a genetically ...
2
votes
1answer
523 views

Is light required for seed germination?

Is light required for germination of every seed? If not, why don't some plants require it? Is there any difference in the quality and duration of light required ? It would be interesting if someone ...