Weed Seed Characteristics Flashcards
1
Q
SEED
A
- basic unit for growth, reproduction, and dispersal
- mature fertilized ovule
- small plant package for dispersal
2
Q
COMPONENTS OF SEEDS
A
- embryo
- endosperm
- seed coat
3
Q
WEED SEED CHARACTERISTICS
A
- small seed size
- seed abundance
- seed production capacity
4
Q
SEED SIZE
A
- very small
- ease of being dispersed
- not easily detected
5
Q
SEED ABUNDANCE
A
- great abundance in soil
6
Q
WEED SEED BANK
A
- soil as seed reserve
7
Q
SEED PRODUCTION CAPACITY
A
- prolific seed producers
8
Q
SEED RAIN
A
- seed deposit due to shedding from mother plant
9
Q
FORMS OF SEEDBANK
A
- dormant
- non-dormant
10
Q
CHALLENGES OF DORMANT SEED BANK
A
- subjected to predation by large animals
- infested by microorganisms
11
Q
CHALLENGES OF NON-DORMANT SEED BANK
A
- die due to harsh environmental conditions
- subjected to control efforts
12
Q
PROCESSES OF REPLENISHING SEED BANKS
A
- seed being deposited to seed banks after one growing season
- seeds dispersed from other areas