Centre of origin, PRIMERY CENTRE OF ORIGIN , SECONDRY CENTER OF ORIGIN PLACE
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May 05, 2019
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Centre of origin, PRIMERY CENTRE OF ORIGIN , SECONDRY CENTER OF ORIGIN PLACE
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Language: en
Added: May 05, 2019
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centre of origin by- ARVIND YADAV ID – 721( batch :- 2017) Banda University of Agriculture Technology Banda Email- [email protected] ARVINDY2510@BUAT721
Centre of origin The concept of centre of origng is given by N. I. Vavilo Primary centre of origin primary centre of origin may be defend crop plant evolved from wild species in the area showing great diversity is known as primary centre of origin. secondary centre of origin secondary centre of origin may be defend as some area certain crop species show considerable diversity of form although, they have not originated from such area which are secondary centre of origin.
Eight main centre are recognized as proposed by vavilo China Hindustan Central Asia primary centre of origin Asia Minor Mediterranean secondary centre of origin Abyssinian Central America south America
CHINA This centre is the largest and oldest centre of origin. It includes mountain parts of central and western china besides Example. Pear - Pyrus communis peach - Prunus persica Mandarin - Citrus reticulata plum - prunus salicina
Hindustan (India) This centre includes Burma, Assam, Malayan ,Java, Borneo This centre are divided into Indo- Burma, Siam-Malaya-Java centre of origin Example Jackfruit Arcatocorpus hetrophylus Mango Magifera indica Coconut Cocus nucifera Sour lime Citrus aurantifolia Banana Musa spp.
CENTRAL ASIA It is also known as Afghanistan centre of origin It includes North west india , All Afghanistan Example Pistachio nut- Pistacia vera Almond - prunus amygladus Grape- Vitis venifera Apple - Malus domestica pyrus malus some species of apricot
ASIA MINOR This centre also known as Near East centre of origin And Persian centre of origin whole of Transcaucasia , Iran, and high lands of Turkemenistan . Primary centre of origin Fig Pomegranate some spp. Of Apple Pyrus,Prunus,Grape Secondary centre of origin Chestnut Pistachio nut
MEDITERRANEAN Example Pippermint ( Mentha spp.) ABYSSINIAN it includes Ethiopia and hilly country of Eritrea. Example Coffee
CENTRAL AMERICA This centre included south Mexico and Central America also known as Mexico centre of origin Example Papaya Carica papaya Guava psidium guajava Avocado Persia americana
SOUTH AMERICA This centre includes the high mountain region of peru , Bolivia , Ecuator Colombia parts of Chile and Brazil and whole of Paraguay. Example Pineapple few spp. of Guava