19
“Prima Donna’, an F; hybrid was released during 1909 belongs to which of the following ornamental crop?
EXPLANATION
Breeding Methods, Heterosis & F1 Hybrids in F
- First Commercial $F_1$ Hybrid Ornamental:
- 'Prima Donna' was introduced in 1909 by the pioneering German seed company Ernst Benary (Erfurt, Germany).
- Belongs to Begonia semperflorens (syn. Begonia $\times$ semperflorens-cultorum, fibrous-rooted wax begonia).
- Marked a historic milestone as the world's first commercially bred $F_1$ hybrid bedding plant, celebrated for extraordinary uniformity, vigorous branching, and continuous floriferousness.
- Correct Option: Option 2 (Begonia semperflorens).
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