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Test Your Knowledge on Overcoming Pre and Post-Fertilization Barriers in Plant R...

10 Questions

1 Views

Test Your Knowledge on Overcoming Pre and Post-Fertilization Barriers in Plant R...

Created by

@FlexibleZeal

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Questions and Answers

What is the purpose of pre-fertilization barriers?

To prevent seed development

To promote pollen growth

To promote seed germination

To prevent F1 zygote formation (correct)

What is the purpose of post-fertilization barriers?

To promote pollen growth

To promote seed germination

To prevent F1 zygote formation

To prevent seed development (correct)

Which technique can promote the development of an immature or weak embryo into a viable plant?

Pioneer pollen

Cut style

Embryo rescue (correct)

Stylar graft

What is the purpose of Pistil manipulation?

To increase seed set Signup and view all the answers

What does Cut style involve?

Removing the stigma and part or whole of the style and pollinating the cut end Signup and view all the answers

What does Stylar graft involve?

Depositing pollen grains on a compatible stigma and grafting the style of the pollen donor onto the ovary of another plant Signup and view all the answers

What does Mentor pollen involve?

Mixing incompatible pollen with a compatible source to allow the growth of pollen tubes Signup and view all the answers

What is Pioneer pollen?

A variation of mentor pollen where compatible pollen is applied first followed by incompatible pollen Signup and view all the answers

Which environmental condition can overcome incompatibility in self-incompatibility systems?

High temperatures Signup and view all the answers

Which technique can result in seed set by pollinating unopened buds or old flowers?

Pistil manipulation Signup and view all the answers

Study Notes

Pre-fertilization barriers prevent F1 zygote formation.
Post-fertilization barriers prevent seed development.
Techniques like Pistil manipulation, Cut style, Stylar graft, Chemical treatment, Mentor pollen, Pioneer pollen, and Environmental conditions can overcome pre-fertilization barriers.
Embryo rescue can promote the development of an immature or weak embryo into a viable plant.
In Pistil manipulation, pollinating unopened buds or old flowers can result in seed set.
Cut style involves removing the stigma and part or whole of the style and pollinating the cut end.
Stylar graft involves depositing pollen grains on a compatible stigma and grafting the style of the pollen donor onto the ovary of another plant.
Mentor pollen involves mixing incompatible pollen with a compatible source to allow the growth of pollen tubes.
Pioneer pollen is a variation of mentor pollen where compatible pollen is applied first followed by incompatible pollen.
High temperatures can overcome incompatibility in self-incompatibility systems.

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Description

If you're interested in plant genetics and reproduction, this quiz is for you! Test your knowledge on the different pre- and post-fertilization barriers that prevent successful plant breeding. Learn about techniques like Pistil manipulation, Cut style, Stylar graft, Chemical treatment, Mentor pollen, Pioneer pollen, and Environmental conditions that can help overcome these barriers. Get ready to dive into the fascinating world of plant breeding and reproduction!