What is Autochory seed dispersal?
Autochory is the dispersal of diaspores, which are dispersal units consisting of seeds or spores, using only the energy provided by the diaspore or the parent plant. The plant of origin is the dispersal vector itself, instead of an external vector.
How do gorse spread their seeds?
Gorse can spread into new areas from seed movement in water, wind, soil, machinery/vehicles, and footwear.
How is a sycamore dispersed?
The sycamore has a wing with a large surface area. When the fruit drops off the tree it spins, slowing down in descent. If caught by the wind the seed will be carried away from the parent plant, reducing competition for nutrients, water and light.
How is geranium dispersed?
The filaree (Erodium cicutarium), a small, flowering plant related to geraniums, possesses a unique seed dispersal mechanism: the plant can fling its seeds up to half a meter away; and the seeds can bury themselves by drilling into the ground, twisting and untwisting in response to changes in humidity.
What is Autochory example?
Autochory occurs only using the energy generated by the diaspore or parent plant. The mature fruit bursts in this, and opens with a shake. Here and there, it scatters the seeds. The seed pods can explode in mid-summer, for example, Geranium, and send seeds in various directions.
What is meant by Autochory?
Noun. autochory (uncountable) (ecology) Self-dispersal of seeds, the physical and often explosive discharge of seeds from the fruit.
What are 5 ways seeds are dispersed?
The most common methods are wind, water, animals, explosion and fire. Dandelion seeds float away in the wind. To make sure at least some of the seeds land in a suitable growing place, the plant has to produce lots of seeds.
What are the ways of seed dispersal?
There are five main modes of seed dispersal: gravity, wind, ballistic, water, and by animals. Some plants are serotinous and only disperse their seeds in response to an environmental stimulus.
Where are sycamore seeds dispersed?
What do the seeds of ash, sycamore and maple trees have in common? They all are enclosed in a wing-like structure that helps them disperse – away from the parent plant and indeed each other. Wind dispersal is also known as anemochory.
How do sycamore trees spread their seeds?
The most obvious role of a sycamore ball is to disperse the tree’s seeds. To plant a new sycamore tree, gather several seed balls and bring them indoors to dry on a paper plate for one week. When the seed balls are dry, they will break open to reveal the small, tufted seeds.
How is maple seed dispersal?
Maple seeds travel on the wind by using their wings, but they are also tasty to animals. Animals who eat maple seeds will store them, but will not eat all of them, and the uneaten seeds will germinate some distance from the parent plant.
In what plant seeds are dispersed by explosion?
Violets, poisonous squirting cucumbers, and touch-me-nots or Impatiens capensis (not to be confused with these touch-me-nots) have an effective way of dispersing their seeds: They burst!
What is Allochory seed dispersal?
Allochory refers to any of many types of seed dispersal where a vector or secondary agent is used to disperse seeds. This vectors may include wind, water, animals or others.
How do Autochorous plants disperse their seeds?
Autochorous plants disperse their seed without any help from an external vector, as a result this limits plants considerably as to the distance they can disperse their seed.
Is epizoochory a good dispersal strategy?
However, epizoochory is a relatively rare dispersal syndrome for plants as a whole; the percentage of plant species with seeds adapted for transport on the outside of animals is estimated to be below 5%. Nevertheless, epizoochorous transport can be highly effective if seeds attach to wide-ranging animals.
What is an example of seed dispersal?
By wind. Examples of seed dispersal by wind; Seeds which have wings and hairy parachutes on them are carried by the wind. E.g. – sycamore, ash, maple, lime, dandelion and thistle. When pods dry, they split open suddenly and shooting the seeds away from the parent plant and this is easy when the wind is there.