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2
votes
0answers
23 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
57 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 ...
2
votes
0answers
48 views

Embryo activity during seed dormancy?

What metabolic processes does a dormant embryo in a seed carry out? The newly produced seed will not germinate, either because of a lack of favourable conditions, seed hibernation, or because of a ...
2
votes
1answer
106 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 ...