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AGRI 41 | LEC | MODULE 3 > Reproduction and Dispersal > Flashcards

Reproduction and Dispersal Flashcards

1
Q

TYPES OF VEGETATIVE PROPAGULES

A
  1. tuber
  2. rhizome
  3. runner/stolon
  4. offshoots
  5. bulbs
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2
Q

TUBER

A
  1. enlarged terminal portion of rhizomes
  2. possess storage tissues and axillary buds
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3
Q

RHIZOME

A
  1. horizontal underground stem
  2. produce adventitious roots and shoots at the nodes
  3. presence of buds and scales
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4
Q

STOLON

A
  1. above ground stem
  2. flat on the ground
  3. adventitious shoots and roots at the nodes
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5
Q

OFFSHOOTS

A
  1. small, complete daughter plant
  2. asexually produced
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6
Q

BULBS

A
  1. specialized underground storage organ
  2. surrounded by thickly fleshy leaves
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7
Q

DISPERSAL

A
  1. movement of propagation units from place where they are produced to new environment
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8
Q

MECHANISM OF DISPERSAL

A
  1. mechanical
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9
Q

DISPERSAL AGENTS

A
  1. wind
  2. water
  3. humans
  4. animal
  5. machinery
  6. mimicry
  7. dormancy
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10
Q

MECHANICAL DISSEMINATION

A
  1. made through seed attachment features
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11
Q

SEED STRUCTURES

A
  1. awns
  2. hooks
  3. burs
  4. pointy seed pods
  5. sticky resin
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12
Q

AWNS

A
  1. long and slender
  2. present in grasses
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13
Q

HOOKS

A
  1. burlike structure
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14
Q

BURS

A
  1. consist of one to several spikelets
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15
Q

POINTY SEED PODS

A
  1. ice tong-like structure
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16
Q

STICKY RESIN

A
  1. covered with sticky resin
17
Q

SEED STRUCTURE FOR WINDS

A
  1. winged seed
  2. pappus
  3. feathery styles
  4. comose
  5. inflated papery calyx
  6. special wind dispersal mechanism
18
Q

WINGED SEED

A
  1. wing-like structure
19
Q

PAPPUS

A
  1. parachute like modification
20
Q

FEATHERY STYLES

A
  1. styles are feathery
21
Q

COMOSE

A
  1. covered with hairs
  2. partially or fully
22
Q

INFLATED PAPERY CALYX

A
  1. enclosed fruits loosely with entrapped air
23
Q

SPECIAL WIND DISPERSAL MECHANISM

A
  1. tumble and roll with the wind
  2. held by series of twisted hairs
24
Q

SEED STRUCTURE FOR WATER

A
  1. winged achene
  2. very light pericarp
  3. oily film cover

AGRI 41 | LEC | MODULE 3 (5 decks)

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