Desired improved varieties of economically useful crops are raised by_...
Plants with desired traits are obtained by hybridization between two varieties having desired traits. Economically useful crops like wheat, rice, pulses are raised for higher yields, resistant to disease etc. by hybridization.
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Desired improved varieties of economically useful crops are raised by_...
Hybridization is the process of crossing two genetically different varieties of plants to produce offspring with desirable traits.
Hybridization is a widely used method in plant breeding to develop improved varieties of economically useful crops. It involves crossing two genetically different varieties or lines of plants to create offspring that possess the desired traits from both parents. This process allows breeders to combine the best characteristics of different varieties into a single plant, resulting in improved yield, disease resistance, quality, and other desirable traits.
Key Points:
- Hybridization: The process of crossing two genetically different varieties of plants.
- Genetic diversity: Hybridization increases genetic diversity by combining the genetic material of two different varieties.
- Desirable traits: Offspring produced through hybridization inherit the desirable traits from both parents, such as high yield, better quality, disease resistance, or tolerance to adverse environmental conditions.
- Selective breeding: Breeders carefully select the parent plants based on their desired traits and use controlled pollination techniques to cross them.
- Hybrids: The resulting plants from hybridization are called hybrids or F1 generation.
- Vigour: Hybrids often exhibit hybrid vigor or heterosis, which is the increased growth, yield, or adaptability compared to the parent varieties.
- Uniformity: Hybrids also tend to be more uniform in their traits compared to the parent varieties, making them more predictable and easier to cultivate.
- Commercial importance: Hybrid crops are widely cultivated around the world due to their improved characteristics, which lead to increased productivity and profitability for farmers.
- Continued breeding: The process of hybridization is an ongoing process, and breeders continuously work to develop new and improved varieties by crossing different parent lines.
In conclusion, hybridization is an essential technique in plant breeding to develop improved varieties of economically useful crops. It allows breeders to combine desirable traits from different parent plants, resulting in offspring with improved characteristics and increased productivity. Hybrid crops are widely cultivated due to their commercial significance and the benefits they offer to farmers and consumers.
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