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Plant Breeding

Propagation

Propagation

Propagation deals with the deliberate (or intentional) production of new plants using various starter materials (e.g. organs, tissues), including their intensive but temporary care. It is primarily practiced to produce seedlings or clones of nursery crops for outplanting, or for planting in containers for display or decor or other uses. Nursery …

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Genetics-Important Points

Genetics

 The term ‘genetics’ was coined by- Bateson (1906).  Theory of germplasm was introduced by- August Weisman.  Mendel studied the inheritance of seven different pairs of contrasting characters.  % of homozygous offsprings in F2 generation of monohybrid cross is – 50  The terms ‘genotype’ and ‘phenotype’ coined by- Johanssen  Test to …

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GENETICS AND PLANT BREEDING-IMPORTANT POINTS

1717: Thomas Fairchild produced the first artificial hybrid popularly known as Fairchild’s mule by crossing carnation with sweet William Dwarfing gene in rice – Dee-Gee-Woo-Gen (Japonica rice, Taiwan)  Dwarfing gene in wheat – Norin 10 (Japanese variety)  Tift 23 A – source of Cytoplasmic male sterility in pearl millet  Kafir …

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Center of Diversity

Center of Diversity

A center of diversity is an area that has a high degree of genetic variation for a particular plant taxon (e.g. family, genus or species) that can also be the center of origin for that group. The two areas often, but not always, coincide; the degree of coincidence remains the …

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Classification of plants

Classification of plants

According to the use of plants and plant products to man the grouping is made. Cereals It is generally applicable to the grains obtained from the members of the Family Poaceae. Rice, Wheat, Maize, Sorghum, Ragi, Barley, Pearl Millet, Fax tail millet, Rye, Oats etc come under this group. Principal source of …

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