QuestionDecember 18, 2025

8. What is one reason growers use cuttings to grow poinsettias? 9. Why are poinsettias grown in greenhouses? 10. What does it mean that poinsettias are short day plants?

8. What is one reason growers use cuttings to grow poinsettias? 9. Why are poinsettias grown in greenhouses? 10. What does it mean that poinsettias are short day plants?
8. What is one reason growers use cuttings to grow poinsettias?
9. Why are poinsettias grown in greenhouses?
10. What does it mean that poinsettias are short day plants?

Solution
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Answer

8. To ensure uniform plants and rapid propagation. ### 9. For controlled environment and optimal growth. ### 10. They require long nights to trigger flowering. Explanation 1. Reason for using cuttings Cuttings ensure genetic uniformity and faster propagation compared to seeds. 2. Reason for greenhouse cultivation Greenhouses provide controlled temperature, humidity, and light, optimizing growth and quality. 3. Meaning of short day plants Short day plants flower when nights are longer than a critical length; poinsettias need long nights to bloom.

Explanation

1. Reason for using cuttings<br /> Cuttings ensure genetic uniformity and faster propagation compared to seeds.<br />2. Reason for greenhouse cultivation<br /> Greenhouses provide controlled temperature, humidity, and light, optimizing growth and quality.<br />3. Meaning of short day plants<br /> Short day plants flower when nights are longer than a critical length; poinsettias need long nights to bloom.
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