Question:
Which of the following is $F_1$ hybrid of watermelon ?
Which of the following is $F_1$ hybrid of watermelon ?
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In watermelon breeding, using gynoecious lines or manual hand-pollination is essential to produce commercial-grade $F_1$ hybrid seeds economically.
Updated On: Jul 23, 2026
- Arka Akash
- Arka Shyama
- Arka Manik
- Arka Muthu
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Verified By Collegedunia
The Correct Option is A
Solution and Explanation
Step 1: Understanding the Concept:
Developing $F_1$ hybrids in watermelon (*Citrullus lanatus*) is a major goal for plant breeders aiming to improve yields, fruit quality, uniform ripening, and disease resistance.
Step 2: Detailed Explanation:
The Indian Institute of Horticultural Research (IIHR) in Bengaluru has released several prominent watermelon cultivars:
- Arka Akash: This is a high-yielding $F_1$ hybrid of watermelon.
It produces large, round-to-oval fruits with dark green stripes on a light green background.
The flesh is deep red, sweet (TSS $11-12^\circ\text{Brix}$), and firm with excellent transport and keeping qualities.
Let us review the other options:
- Arka Manik is an open-pollinated variety, not an $F_1$ hybrid. It is famous for its triple resistance to anthracnose, powdery mildew, and downy mildew.
- Arka Muthu is a dwarf diploid variety developed through selection, primarily grown for its compact growth habit suited for home gardens.
- Arka Shyama is a variety of grape/fruit crop rather than a primary watermelon hybrid.
Therefore, Arka Akash is the representative $F_1$ hybrid of watermelon among the options.
Step 3: Final Answer:
The $F_1$ hybrid of watermelon is Arka Akash, corresponding to option (A).
Developing $F_1$ hybrids in watermelon (*Citrullus lanatus*) is a major goal for plant breeders aiming to improve yields, fruit quality, uniform ripening, and disease resistance.
Step 2: Detailed Explanation:
The Indian Institute of Horticultural Research (IIHR) in Bengaluru has released several prominent watermelon cultivars:
- Arka Akash: This is a high-yielding $F_1$ hybrid of watermelon.
It produces large, round-to-oval fruits with dark green stripes on a light green background.
The flesh is deep red, sweet (TSS $11-12^\circ\text{Brix}$), and firm with excellent transport and keeping qualities.
Let us review the other options:
- Arka Manik is an open-pollinated variety, not an $F_1$ hybrid. It is famous for its triple resistance to anthracnose, powdery mildew, and downy mildew.
- Arka Muthu is a dwarf diploid variety developed through selection, primarily grown for its compact growth habit suited for home gardens.
- Arka Shyama is a variety of grape/fruit crop rather than a primary watermelon hybrid.
Therefore, Arka Akash is the representative $F_1$ hybrid of watermelon among the options.
Step 3: Final Answer:
The $F_1$ hybrid of watermelon is Arka Akash, corresponding to option (A).
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