Answers

Improvement in food resources

Explain any one method of crop production which ensures high yield.

10/11/2024

Science

9th

Answers

One effective method for ensuring high crop yields is plant breeding, also known as crop variety improvement. This involves selectively breeding plants to develop new varieties with desirable traits like high yield, early maturation, and better seed quality. Plant breeding can also enhance disease resistance and adapt crops to specific environmental conditions.
How Plant Breeding Works:
1. Identifying Desirable Traits:
Plant breeders select plants with desirable traits from different locations and varieties.
2. Cross-Breeding:
They then cross-breed these plants (hybridization) to combine the desired traits.
3. Selection and Improvement:
The resulting hybrid plants are carefully selected and improved through further breeding cycles.
Benefits of Plant Breeding:
Increased Yield: Breeding programs can lead to significant increases in crop yield.
Improved Quality: Crops can be bred for better seed quality, taste, and nutritional content.
Enhanced Disease Resistance: Plant breeding can develop varieties that are resistant to common diseases.
Adaptability: Crops can be bred to thrive in specific climates and soil conditions.
Early Maturation: Some breeding programs focus on developing crops that mature earlier, allowing for more frequent harvests.
Examples of Plant Breeding Techniques:
Inter-varietal crossing: Crossing two different varieties of the same species.
Inter-generic crossing: Crossing two different genera (plant groups).
Inter-specific crossing: Crossing two different species within the same plant group.
By focusing on plant breeding, farmers and researchers can develop crops that not only produce more but also offer other advantages like improved quality, disease resistance, and adaptability.

Nandita Jhajhria

27/04/2025