F ... 18 - Ethnobotany Flashcards
1
Q
define ethnobotany
A
study of interactions of plants and humans
2
Q
centers of diversity
A
- primary
2. secondary
3
Q
primary center of diversity
A
region where particular crop originated, and where max diversity of that crop is present
4
Q
secondary center of diversity
A
regions which crop is introduced and domesticated
5
Q
When did plant breeding likely start?
A
10k years ago
6
Q
____ of crops has occurred through plant breeding.
A
Domestication
7
Q
Common traits bred for in domestication
A
reduction of seed dispersal increased yield, size change in growth pattern better taste/storage resistances increased ploidy
8
Q
ploidy
A
of complete sets of chromosomes
9
Q
haploid
A
gametes
10
Q
diploid
A
zygote
11
Q
triploid
A
breeding between diploid and tetraploid
- sterile
12
Q
Types of ploidy possible
A
tetraploid, hexaploid, octoploid
13
Q
top center of origin
A
China
14
Q
5 most produced crops
A
sugarcane corn rice wheat potato
15
Q
herbs
A
aromatic leaves
