Question:
Elite tree is ______________
Elite tree is ______________
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Plus Tree = Looked at. Elite Tree = Tested. An Elite tree is a Plus tree that has passed its "DNA exam."
Updated On: Aug 20, 2026
- Phenotypically superior
- Genotypically superior
- Phenotypically and genotypically superior
- A candidate tree which is graded for its overall morphology by comparing check trees
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The Correct Option is C
Solution and Explanation
Step 1: Understanding the Question:
The question defines a specific category of tree used in advanced stages of tree improvement programs.
Step 2: Detailed Explanation:
• Hierarchy of Superiority: In tree improvement, trees are graded as follows:
- Candidate Tree: A tree identified as potentially superior.
- Plus Tree: A tree that is "phenotypically superior" (it looks the best in the forest compared to its neighbors).
• Definition of Elite Tree: An elite tree is a plus tree that has been "proven" through progeny testing to have superior genetic qualities. This means it is not just good-looking because of its environment, but it also passes on those superior traits to its offspring.
• Dual Requirement: Therefore, an elite tree is both "phenotypically superior" (outward appearance) and "genotypically superior" (internal genetic worth confirmed by tests).
• Usage: Elite trees are used to establish advanced-generation seed orchards and for large-scale clonal propagation. They represent the highest level of genetic quality in a breeding program.
Step 3: Final Answer:
An elite tree is both phenotypically and genotypically superior.
The question defines a specific category of tree used in advanced stages of tree improvement programs.
Step 2: Detailed Explanation:
• Hierarchy of Superiority: In tree improvement, trees are graded as follows:
- Candidate Tree: A tree identified as potentially superior.
- Plus Tree: A tree that is "phenotypically superior" (it looks the best in the forest compared to its neighbors).
• Definition of Elite Tree: An elite tree is a plus tree that has been "proven" through progeny testing to have superior genetic qualities. This means it is not just good-looking because of its environment, but it also passes on those superior traits to its offspring.
• Dual Requirement: Therefore, an elite tree is both "phenotypically superior" (outward appearance) and "genotypically superior" (internal genetic worth confirmed by tests).
• Usage: Elite trees are used to establish advanced-generation seed orchards and for large-scale clonal propagation. They represent the highest level of genetic quality in a breeding program.
Step 3: Final Answer:
An elite tree is both phenotypically and genotypically superior.
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