What are the different ways of crop improvement?
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Methods such as Hybridization and Gene incorporation are used for crop improvement
1) Hybridization: The crossing of genetically dissimilar plants is referred to as hybridization. Hybridization may take place between different varieties(intervarietal), between two different species of the same genus(interspecific) or between different genera (intergeneric).
2)Gene Incorporation: Genes are responsible for the traits. Thus, we can improve a crop’s quality and quantity by incorporating the genes with desirable traits. This method is more scientific and results in genetically modified food crops.
Crop production is more like a business in many countries. Thus, the strains we develop must be economically profitable. The new varieties should be able to produce maximum quality and quantity under different conditions and regions. Hence, we need to be very selective about seeds for its acceptance
1) Hybridization: The crossing of genetically dissimilar plants is referred to as hybridization. Hybridization may take place between different varieties(intervarietal), between two different species of the same genus(interspecific) or between different genera (intergeneric).
2)Gene Incorporation: Genes are responsible for the traits. Thus, we can improve a crop’s quality and quantity by incorporating the genes with desirable traits. This method is more scientific and results in genetically modified food crops.
Crop production is more like a business in many countries. Thus, the strains we develop must be economically profitable. The new varieties should be able to produce maximum quality and quantity under different conditions and regions. Hence, we need to be very selective about seeds for its acceptance
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(i) Intercontinental plant introduction:
Plant material is introduced from the country of another continent e.g., ridley wheat variety from Austria in India.
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(ii) Intercontinental or Inter-countries plant introduction:
Introduction of plant material from another country within same continent, for e.g., Litchi and loquat from China.
(iii) Interstate plant introduction:
Introduction of plant material from another state within the same country, for e.g., N.P. wheat varieties from Delhi.
(iv) Intrastate or Inter-district plant introduction:
Introduction of plant material into different states within the country or from another district within the same state, for e.g., distribution of state recommended varieties of different crops from one district to another within the same state for general cultivation.
Plant material is introduced from the country of another continent e.g., ridley wheat variety from Austria in India.
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(ii) Intercontinental or Inter-countries plant introduction:
Introduction of plant material from another country within same continent, for e.g., Litchi and loquat from China.
(iii) Interstate plant introduction:
Introduction of plant material from another state within the same country, for e.g., N.P. wheat varieties from Delhi.
(iv) Intrastate or Inter-district plant introduction:
Introduction of plant material into different states within the country or from another district within the same state, for e.g., distribution of state recommended varieties of different crops from one district to another within the same state for general cultivation.
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