Plant Breeding
Chapter Name : Strategies For Enhancement In Food Production |
Sub Topic Code : 103_12_09_02_01 |
Topic Name : Plant Breeding |
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Sub Topic Name : Plant Breeding |
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Introduction
Plant breeding is the purposeful manipulation of plant species in order to create desired plant types that are better suited for cultivation, are disease resistant and give high yield.
Pre-Requisites:
Domestic crops used for food.
Activity:
Find the different characteristics desired in a particular crop plant.
Real Life Question:
How are crops cultivated in huge amounts to provide food for such a large population?
Key Words / FlashCards
| Key Words | Definitions (pref. in our own words) |
|---|---|
| Classical plant breeding | Classical plant breeding involves crossing or hybridisation of pure lines, followed by artificial selection to produce plants with desirable traits such as higher yield, nutrition and disease resistance. |
| Steps involved in breeding a particular crop | Collection of variability, evaluation and selection of parents, cross hybridization among the selected parents, selection and testing of superior recombinants, testing release and commercialization of new cultivars. |
| Indian agriculture | Accounts for 33% of GDP and employs nearly 62% of population. Some Indian hybrid crops of high yielding varieties are rice, wheat, sugarcane, maize, jowar and bajra. |
Learning aids / Gadgets
| Gadgets | How it can be used |
|---|---|
| Encyclopedia and internet. |
Places to visit :
Plant breeding laboratories.
Practical examples around us
| Examples | Explainations |
|---|---|
| Plant Breeding | Plant breeding has helped Green revolution to succeed and increased the crops yield to high amounts. |
What you learn in Theory:
Increase in the crop yield and getting desirable characteristics in the plant through plant breeding.
What you learn in Practice:
How plant breeding is carried out.