Role of heterosis in plant breeding
Answers
Answer:
The answer to the question-"Role of heterosis in plant breeding" is-
In this progeny of different varieties of a species or crosses between species exhibit speed of development ,greater biomass, and fertility than both parents.
Explanation:
Heterosis
It refers to a phenomenon that progeny of diverse varieties of a species of plants crosses and exhibit -
- greater biomass,
- speed of development, and
- fertility than both parents.
Various models are there to explain this phenomenon which include-
- dominance,
- overdominance, and
- pseudo-overdominance.
Role of heterosis
In heterosis breeding into heterotic groups the germplasm were assigned and in accordance with the experimental evidence , support is provided to them and their heterotic pattern is identified in various crops and various heterotic groups and heterotic patterns in different crops are listed up.
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