On National Teacher Day, meet the 2024-25 Kenan Fellows
Dry preservation of plants rahma
1. Dry preservation of plants
Submitted by : Rahma Hani
Submitted to : Dr. Sobia kanwal
2. Plant Preservation:
It is a process:
To keep plant safe from decomposition or destruction.
To keep plants safe from injury and
Reserve them for personal or special use.
4. Principle of preservation:
The principle of drying is same in each method i.e.
to remove moisture slowly while at same time maintaining as much of the
original shape and texture as possible.
5. Air drying:
Simplest and least expensive method.
Takes little time.
Produces satisfactory results.
Method:
Hang the plant part in well ventilated room.
7. Microwave drying:
Takes less time i.e few minutes.
Provides material that looks fresher and more colourful than any
other method.
Before placing in microwave put the plant part in a supportive
substance.
Supportive substance include microwave approved containers.
8.
9. Pressing:
Plant part can be preserved by pressing them between layers of
newspaper.
Place heavy weight flat object on top of newspaper.
It takes approximately 1-2 week to dry.
10. Freeze drying:
It results in most natural-looking preserved materials.
But this approach requires specialized and expensive equipment and
is best accomplished by professionals.