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Epilobium hirsutum seed head dispersing seeds. In spermatophyte plants, seed dispersal is the movement, spread or transport of seeds away from the parent plant. [1] Plants have limited mobility and rely upon a variety of dispersal vectors to transport their seeds, including both abiotic vectors, such as the wind, and living vectors such as birds.
The patterns of seed dispersal are determined in large part by the specific dispersal mechanism, and this has important implications for the demographic and genetic structure of plant populations, as well as migration patterns and species interactions. There are five main modes of seed dispersal: gravity, wind, ballistic, water, and by animals.
Myrmecochory is exhibited by more than 3,000 plant species worldwide [3] and is present in every major biome on all continents except Antarctica. [4] Seed dispersal by ants is particularly common in the dry heath and sclerophyll woodlands of Australia (1,500 species) and the South African fynbos (1,000 species).
Diploendozoochory is a special form of diplochory in which all stages of the seed dispersal process involve endozoochory by animals. [3] For example, many animals that feed on fruits or seeds are important prey species for a multitude of predators.
Plant propagation is the process by which new plants grow from various sources, including seeds, cuttings, and other plant parts. Plant propagation can refer to both man-made and natural processes. Plant propagation can refer to both man-made and natural processes.
The process of dispersal was rather quick and involved the close and long-distance interaction of the Amerindian people," said archaeologist and study co-author Francisco Valdez of the PALOC unit ...
From an agricultural perspective this is generally an undesirable process, and in the history of crop domestication several important advances have involved a mutation in a crop plant that reduced shattering—instead of the seeds being dispersed as soon as they were ripe, the mutant plants retained the seeds for longer, which made harvesting ...
These seeds may then be later deposited in a process called diplochory, where a seed is moved by more than one dispersal agent. This greatly affects seed dispersal outcomes as carnivores range widely and make dispersed populations have more connected genes. [10] Birds act as dispersal vectors for its other types as well.
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