Linggo, Marso 23, 2014

Plant Propagation


Plant Propagation


This is from my summer class, plant propagation is the process of multiplying or increasing the number of plants of particular species. There are two methods of plant propagation. The sexual and asexual propagation. The sexual propagation is the one that uses seed, the plant it may produce will be different from the parent. While the asexual is the one that uses vegetative parts of the plant, this plant will be the same as the parent. Both propagations has their advantage and dis-advantage.

Types of Propagation
Advantage
Dis-advantage
Sexual
Produce hybrid
Has deeper anchorage
-More genetic variety and so evolves quickly, without relying only on mutations which are often damaging 
-Any negative mutations are likely to be canceled out because the chances both plants have the exact same mutation is very low 
Causes genetic variability (due to production of hybrids)
Longer to bear fruits
Some plants produce no viable seeds
-Takes time for pollen to spread, and time is very valuable 
-Often requires an "offering" of nectar to pollinators to encourage them to spread the pollen 
Asexual
Can bear fruits in shorter time
The fruits is more likely what the parent is
-As soon as a plant is able to reproduce, it can and won't have to wait 
-It can do it by itself and doesn't depend on other species (e.g. pollinators) for survival 
Can easily be pulled by the calamity(not deep anchorage)
-Evolves more slowly and only through DNA mutation, which is most often harmful 
-Disadvantageous mutations usually are passed on to the offspring, instead of having a second "parent" compensate by giving a working copy of the gene


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