The Centres of Origin as Proposed by N.I Vavilov (1926, 1935)

Secondary Centre of Origin

Abyssinian Centre

Barley , Triticum spp, jawar, bajara, gram, lentil,pea,khesari, liseed, safflower, seasamum, castor, coffee, onion, okra,etc

Broad bean ( Vicia faba)

Asia Minor Centre ( Syn, near East or Persian Centre)

Triticum spp, rye, alfalfa, carrot, cabbage, oat, lettuce, apple, pyrus spp, prunus spp, grape, alomond, chestnut, pistachio nut, persain clover, etc.

B.compestris , B. nigra, turnip, apricot, etc.

Central American Centre (Syn. Mexican Centre)

Maize, rajma, lina beans, melon, pumkin, sweet potato, arrowrrot, chillies, G.hirsutum, papaya, guava, avacado, etc.

Centra Asia Centre ( Syn, Afganistan Centre)

Triticum aestivum , pea, mung, linseed, sasamum, safflower, hemp, G. herbaceum, radish, muskmelon, carrot, onion, garlic, spinach, pear, almond, grape, apple, etc.

Rye ( Secale cereale)

China Centre

Soybean , radish, bunda (Colocasia sp), proso millet, buckwheat, opium poppy, brinjal, pear, peach, apricot, plum, orange, Chinese tea, etc

Maize, rajma, cowpea, turnip, seasamum, etc.

Hindustan Centre ( Divided into 1) Indoburma and 2) Siam-malaya- java Centre)

Rice , pigeon pea, chickpea, cowpea, mung, brinjal, cucumber, Indian radish , noble canes, G.arboreum, Mango, orange, coconut, banana, etc.

Mediterranean Centre

Triticum spp, barley, Avena spp, lentil, pea, broad bean, lathyrus spp, chickpea, clovers, Brassica spp, onion, garlic, beets, lettuce, asparagus, lavender, peppermint, etc.

South American Centre ( Divided into 1) Peru, 2) Chill, and 3) Brazil Paraguay Centre)

Potato, maize, lima bean, peanut, pineapple, pumpkin, G.barbadense, tomato, tobacco, guava, quinie tree, cassava, rubber, etc.

U.S.A Centre

Sunflower, Jerusalem artichoke.