Seeds Flashcards
(10 cards)
1
Q
What are some ways that mechanical dormancy can be broken?
A
Shaking, scratching, chemcials
2
Q
What are some ways that mechanical dormancy can be broken naturally?
A
Freeze-thaw, snow abraison, passage through gut (of bird, for example)
3
Q
What is vivipary?
A
Germinating when attached to parent. (More common in crops)
4
Q
Which part of the seed emerges first?
A
Radicle
5
Q
Epigeous, and example.
A
Cotyledon raised above ground. ex bean and onion
6
Q
Hypogeous and example
A
Cotyledon stays below ground. Corn, pea
7
Q
What does an annual plant mean?
A
Means it completes life cycle in 1 year
8
Q
What does a perennial mean?
A
Lives longer than 2 years
9
Q
What are biennials?
A
Plants that complete life cycle in 2 years
10
Q
A