Parent Selection Flashcards Preview

Plant Genetics and Crop Improvement > Parent Selection > Flashcards

Flashcards in Parent Selection Deck (5)
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1
Q

Sources of parental germplasm

A
  • Cultivars
  • Elite breeding lines
  • Breeding lines / germplasm release
  • Transgenic plants (GMO)
  • Plant introductions of cultivated species (PIs)
  • Related species and [sometimes] genera
2
Q

Qualitative inheritance

A

At least ONE parent must have desired trait.

3
Q

Quantitative inheritance

A

Transgressive segregation… perform better than parents -> outliers.

4
Q

Improvement implies…

A

population development through parent selection.

5
Q

When setting goals, make sure they are…

A

** achievable!

5 traits would be extremely difficult…
- ex. 1/4 x 1/8 x 1/20 x 1/60 x 1/100 = 1/3.84 million lines!

2 traits is more reasonable…
- ex. 1/4 x 1/8 = 32 lines!