CROP BREEDING Flashcards
1
Q
GENOTYPE (G)
A
set limits for phenotype
2
Q
ENVIRONMENT (E)
A
modifies expression of phenotype
3
Q
VARIETY
A
group of plants within particular cultivated species
4
Q
CULTIVAR
A
distinct variant from any plant already in cultivation
5
Q
CLONES
A
cultivars propagated by vegetative means
6
Q
LINES
A
cultivars propagated by seeds
7
Q
GENETIC RESOURCES OF CROPS
A
1) wild species
2) weedy races
3) traditional varieties
4) obsolete varieties
5) products of plant breeding
6) GMO’s
8
Q
METHODS OF CONSERVATION
A
1) ex-situ (outside natural habitat)
2) in-situ (in natural habitat)
9
Q
SOURCES OF VARIATION
A
1) mutation
2) migration
3) recombination