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Questions and Answers
What factor affects the growth of medicinal plants by being absorbed through the root and evaporated from the leaves?
What factor affects the growth of medicinal plants by being absorbed through the root and evaporated from the leaves?
Which factor is important for all organs and is considered a vital component of the cell?
Which factor is important for all organs and is considered a vital component of the cell?
What source provides the essential water needed for the growth of medicinal plants?
What source provides the essential water needed for the growth of medicinal plants?
Which factor is involved in raising the quality of the drug by selecting good seeds dormancy strains?
Which factor is involved in raising the quality of the drug by selecting good seeds dormancy strains?
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Study Notes
Medicinal Plants: Cultivation vs Wild Harvesting
- Cultivated medicinal plants have advantages, including:
- Rich in active constituents
- Cheap source
- However, cultivated medicinal plants also have disadvantages, including:
- Plant loss due to weather conditions
- High production cost
- On the other hand, wild medicinal plants have advantages, including:
- Distributed over unlimited areas
- Difficulty of transport
- However, wild medicinal plants also have disadvantages, including:
- Difficulty of transport
Seed Dormancy in Medicinal Plants
- Definition: delayed germination of the seed
- Types of seed dormancy:
- Seed coat dormancy
- Embryo dormancy
- Causes of seed coat dormancy:
- Impermeability of seed coat to water
- Impermeability of seed coat to oxygen
- Resistance of seed coat to expansion
- Methods to overcome seed coat dormancy:
- Soaking seeds with H2SO4
- Causes of embryo dormancy:
- Undeveloped embryo
- Failure of embryo to emerge from resting conditions
- Methods to overcome embryo dormancy:
- Stimulating the embryo by heating or cooling at 0-10°C
Improving Quality of Cultivated Medicinal Plants
- Control certain factors in cultivation to improve quality
- Factors to control include:
- Treatment of seeds before sowing
- Environmental conditions during growth
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Description
Test your knowledge of the cultivation of medicinal plants in this Pharm D lecture quiz. Explore the advantages and disadvantages of cultivating wild and cultivated medicinal plants, and learn about improving the quality of cultivation.
