Question

Explain economic influence on cultivation of medicinal plants

Answer 1

Explanation:

The following factors are influencing of cultivation:

1. Light:

Light is the only external source of energy for the continuation of life of the plant. It influences photosynthesis, opening and closing of stomata, plant movements, seed germination, flowering and vegetative growth like tuber formation. Dry sunny weather increases the proportion of glycosides in digitalis and of alkaloids in belladonna.

2. Temperature:

Temperature is the major factor influencing the cultivation of the medicinal plant. The sudden decrease in temperature caused the formation of the ice crystals in intercellular spaces of the plant.

Answer 2

Answer:

In recent years, more attention had been paid to

herbaceous medicines and their origin namely medicinal

plants mainly due to the proof of these side effects of

chemical and the human tendency to use more natural

products to maintain their health. The problems of

modern medicinal systems such as pharmacologic high

costs, the use of non-renewable resources such as fossil

resources and environmental pollution by pharmaceutical

industry for making human inability of some drugs that

normally exists in plants have also caused much more

attention to medicinal plants (Moradi et al, 2008;

Ghandali and Mirhosseini, 2008; Naghdi et al., 2006;

Akhoundzadeh, 2004; Kessler et al., 2001). Medicinal

preparations derived from natural sources, especially

from plants, have been in widespread use since time

immemorial. In fact, plants remain the main source of medicines for a large proportion of the world’s population,

particularly in the developing world, despite the advent of

the pharmaceutical chemistry during the early twentieth

century, which brought with it the ability to synthesize an

enormous variety of medicinal drug molecules and

allowed the treatment of previously incurable and/or life-

threatening diseases (Ahmad et al., 2006). The strategies

that herbal practitioners adopt to prevent illness or

restore health in their patients are different in the many

and varied herbal traditions across the planet, but the

effects that herbal medicines have within the body to

improve health do not vary. There are many thousands of

medicinal plants in use throughout the world, with a

tremendous range of actions and degrees of potency.

Most have a specific action on particular body systems

and are known to be suitable for treating certain types of

ailments (Chevallier, 1996).

Explanation:

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