Asexual Propagation and Nursery Practices

Question 1

NURSERY

Answer 1

1. area for producing and caring of planting materials

Question 2

ACTIVITIES IN NURSERY

Answer 2

1. seed extraction and germination
2. media preparation and bagging
3. transplanting and caring of seedlings
4. asexual propagation

Question 3

FACILITIES IN NURSERY

Answer 3

1. office
2. workshed
3. storage area
4. laboratory
5. preparation room
6. parking lot

Question 4

STRUCTURES IN NURSERY

Answer 4

1. germination and rooting beds
2. shaded area for seedlings
3. open area for seedlings and propagated plants
4. scion grove

Question 5

SCION GROVE

Answer 5

1. rows of clonally propagated varieties
2. source of scion

Question 6

TYPES OF NURSERY: PRODUCTION SYSTEM

Answer 6

1. container
2. field

Question 7

TYPES OF NURSERY: FUNCTION

Answer 7

1. propagation
2. wholesale
3. retail production
4. research
5. quarantine

Question 8

TYPES OF NURSERY: PRODUCT

Answer 8

1. general
2. specialty

Question 9

ASEXUAL PROPAGATION

Answer 9

1. vegetative propagation
2. produce identical plant from mother plant

Question 10

TOTIPOTENCY

Answer 10

1. property allowing vegetative propagation
2. due to genetic information stored in nuclei
3. reproduce the entire plant

Question 11

PURPOSE OF ASEXUAL PROPAGATION

Answer 11

1. convenience
2. selection and maintenance of clones
3. combination of genotypes
4. shorten reproductive maturity
5. control growth phase and morphology

Question 12

METHODS OF ASEXUAL PROPAGATION

Answer 12

1. separation
2. division
3. cutting
4. grafting
5. layering
6. micropropagation

Question 13

SEPARATION

Answer 13

1. use of naturally detachable organs from mother plant
2. e.g. sucker, runner, bulb, rhizome (onion and tulips)

Question 14

DIVISION

Answer 14

1. cutting of modified organ into sections
2. should have at least 2 buds
3. e.g. banana, abaca, sweet potato, ginger

Question 15

CUTTING

Answer 15

1. regeneration of detached organ
2. e.g. stem cutting, leaf, leaf bud, root (rose, trumpet vine, geranium)

Question 16

CONDITIONS FOR ROOT LEAFY CUTTINGS

Answer 16

1. tropical temperature (18-25C)
2. low water loss
3. ample light
4. well-drained and well-aerated medium

Question 17

GRAFTING

Answer 17

1. connecting 2 living plant tissue

Question 18

COMPONENTS OF GRAFTING

Answer 18

1. stock (lower portion developing as root system)
2. interstock (inserted stem)
3. vascular cambium (thin tissue of plant between bark and wood)

Question 19

PURPOSE OF GRAFTING

Answer 19

1. benefits of rootstocks
2. changing cultivars
3. hastens reproductive maturity
4. special form of plant growth

Question 20

REQUIREMENTS FOR SUCCESSFUL GRAFTING

Answer 20

1. compatible
2. intimate contact
3. proper physiological stage
4. protected from desiccation
5. proper care

Question 21

TYPES OF GRAFTING

Answer 21

1. whip
2. side
3. wedge
4. cleft
5. inarching
6. budding

Question 22

LAYERING

Answer 22

1. formation of adventitious roots while still attached to parent plant

Question 23

MICROPROPAGATION

Answer 23

1. rapid multiplying of stock
2. use of plant tissue culture

Question 24

ADVANTAGE OF MICROPROPAGATION

Answer 24

1. mass propagation
2. pathogen-free plants
3. year-round nursery production