Centres of Origin of Crop Plants

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What significant change occurred during the Mesolithic age regarding human civilization?

Back

Humans transitioned from food gatherers to food producers through the cultivation of plants.

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What is the Neolithic age known for in terms of agriculture?

Back

The Neolithic age, or New Stone Age, marked the advent of tools made of stone that were used for agricultural development.

Front

What are the basic needs fulfilled by agriculture?

Back

Food, shelter, and clothing.

Front

Name some crops that were domesticated in various parts of the world.

Back

Rice, wheat, maize, sorghum, sugarcane, potato, beans, and soybean.

Front

Who proposed the concept of centres of origin for cultivated plants?

Back

Alexander von Humboldt.

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What did Alphonse de Candolle study in relation to cultivated plants?

Back

He studied 247 cultivated species and provided information about their ancestral forms, origin of domestication, and history.

Front

What are the three classes of plants of old world origin based on cultivation duration?

Back

1. Cultivated for 4000 years and more. 2. Cultivated for 2000 years and more. 3. Cultivated for less than 2000 years.

Front

Give examples of plants cultivated for over 4000 years.

Back

Almond, fig, peach, apple, pear, apricot, grape, rice, hemp, barley, millet, tea, cabbage, wheat, and olive.

Front

What is the significance of Vavilov's work in plant domestication?

Back

Vavilov's work established the concept of gene centres for cultivated plants and their wild progenitors.

Front

What are landraces in the context of cultivated plants?

Back

Landraces are populations of cultivated plants that have a distinct identity and origin, often genetically diverse and locally adapted.