Question:
Seed production of which of the following varieties is not possible in the plains?
Seed production of which of the following varieties is not possible in the plains?
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Remember vegetable seed production:
- Temperate crops require vernalization for seed production
- Seed production in plains is possible for tropical/subtropical varieties
- Cauliflower: Pusa Sharad, Pusa Chetki (plains), Pusa Chandrima (hills)
- Cabbage: Pusa Mukta (plains), Golden Acre (hills)
Chilling requirement is critical for seed production of temperate vegetables.
- Temperate crops require vernalization for seed production
- Seed production in plains is possible for tropical/subtropical varieties
- Cauliflower: Pusa Sharad, Pusa Chetki (plains), Pusa Chandrima (hills)
- Cabbage: Pusa Mukta (plains), Golden Acre (hills)
Chilling requirement is critical for seed production of temperate vegetables.
Updated On: Aug 19, 2026
- Pusa Rudhira
- Pusa Sharad
- Pusa Chetki
- Pusa Chandrima
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Verified By Collegedunia
The Correct Option is D
Solution and Explanation
Step 1: Understanding the Concept:
This question tests knowledge of varietal adaptation and seed production requirements.
Step 2: Detailed Explanation:
Pusa Chandrima is a variety of cauliflower that requires temperate conditions for seed production.
It is a typical temperate crop that needs vernalization (exposure to cold temperatures) for flowering.
In plains (subtropical/tropical regions), the chilling requirement is not met, so seed production is not possible.
Other varieties mentioned:
- Pusa Rudhira (A): A radish variety suitable for plains seed production.
- Pusa Sharad (B): A cauliflower variety that can produce seed in plains.
- Pusa Chetki (C): A cauliflower variety suitable for plains seed production.
Thus, Pusa Chandrima is the variety whose seed production is not possible in the plains due to its chilling requirement.
Step 3: Final Answer:
Thus, seed production of Pusa Chandrima is not possible in the plains, which corresponds to option (D).
[0.5cm]
This question tests knowledge of varietal adaptation and seed production requirements.
Step 2: Detailed Explanation:
Pusa Chandrima is a variety of cauliflower that requires temperate conditions for seed production.
It is a typical temperate crop that needs vernalization (exposure to cold temperatures) for flowering.
In plains (subtropical/tropical regions), the chilling requirement is not met, so seed production is not possible.
Other varieties mentioned:
- Pusa Rudhira (A): A radish variety suitable for plains seed production.
- Pusa Sharad (B): A cauliflower variety that can produce seed in plains.
- Pusa Chetki (C): A cauliflower variety suitable for plains seed production.
Thus, Pusa Chandrima is the variety whose seed production is not possible in the plains due to its chilling requirement.
Step 3: Final Answer:
Thus, seed production of Pusa Chandrima is not possible in the plains, which corresponds to option (D).
[0.5cm]
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