Crop science transpiration

100問 • 2年前

ezekiel emano

通報

問題一覧

The loss of water from aerial parts of the plant in the form of water vapour

transpiration

waxy covering of the epidermis of leaves

cuticle

areas in the bark of stems

lenticle

It is seen in early morning in the form of water-drops at the margins or tips of leaves of herbaceous plants.

guttation

A long-distance transport of photoassimilates.

translocation

an organ or tissue that produces more assimilates than the requirement of the said organ for its own metabolism and growth exporter organ.

source

importer or consumer of assimilate.

sink

Plant body is composed of 3 organs

Leaf – Photosynthesis Stem – support Root – anchorage and absorption of water and minerals

Flattened disk or tubular sacks

endoplasmic reticulum

Mechanical protection and rigidity

cell wall

3 layers of cell wall

middle lamella primary wall secondary wall

for water storage and waste disposal.

vacuole

Semipermeable membrane surrounding the vacuole

tonoplast membrane

Small dense spherical structure in the nucleus

nucleolus

Contains the genetic materials for heredity (DNA)

nucleus

sites of cellular respiration

mitochondria

Sites of protein synthesis

ribosomes

bounds a cell

plasmalemma

component of permanent tissue

simple, complex

component of simple

epidermis, parenchyma, collenchyma, sclerenchyma

component of complex

xylem and phloem

component of xylem

xylem vessel and trancheids

component of phloem

seive tube and companion cell

Derived from meristems which have attained maturity form thus perform their specific function/s.

permanent tissue

Part of the plant where cell division

meristematic tissue

Tissue composed of single cell type

simple

Tissue composed of more than one cell type

complex

Outermost layer of cells;

epidermis

Thin-walled cells

parenchyma

Thick-walled elongated cells,

collenchyma

thick-walled highly specialized

sclerenchyma

Conduct water and mineral salts upward the plant body

xylem

Distributes dissolved food materials downward

phloem

outermost layer provides a covering for the plant body

dermal tissue system

conducting tissue, transpor

vascular tissue system

bulk of inner layers

ground tissue system

Regions of the root

Root cap Region of cell division Region of elongation Region of maturation

develops from the radicle of an embryo during seed germination

tap roots

A root that develops from any other part other than the radicle is known as?

adventitious roots

from the basal nodes of the stem,

stilt roots

Arise from the horizontal aerial branches of trees

prop roots

typical of epiphytes such as orchids

aerial roots

roots grow vertically up

Pneumatophores

these specialized roots,

contractile roots

invade the tissues of a host plant

parasitic roots

modified roots that store food and water.

Storage roots

some plants develop chlorophyll

photosynthetic roots

Legumes form root nodules.

symbiotic roots

wall-like extensions off the base of the trunk

Buttress roots

Supporting and conducting organ initially developed from the epicotyl

stem

the part of the stem where one or more leaves are borne

node

the part of the stem between two adjacent nodes

internode

union of a leaf and stem

axil

a short embryonic stem

bud

type of stem

bulb, culm , offset

Short, erect underground stem

bulb

flowering stem of grasses and sedges

culm

like runner originates from leaf axil as a short and thickened branch away from the mother plant

offset

Horizontal underground stem

rhizomes

Indeterminate aboveground stem

runner / stolon

Shoot arising below the ground from old stem

sucker

Principal photosynthetic organ

leaf

Stalk of the leaf

petiole

Flat blade of the leaf

leaf lamina

Central/ largest vein of the leaf

midrib

visible strands of conducting & strengthening tissues running through a leaf

vein

farthest from the point of attachment

tip

....

linear

leaves

lanceolate

leaves

oblong

Leaves

elliptical

leaves

ovate

leaves

cordate

leaves

auriculate

leaves

hastate

leaves

deltoid

reproductive organ of the plant

flower

have unique shape and colors to attract pollinators.

petal

the axis of a flower to which the other parts are attached

recepltacle

stalk bearing a flower or the main stalk of an inflorescence

peduncle

Protect the growing bud or the flower before it open.

sepal

Produces pollen

anther

stalk bearing a variously shaped body

filament

is the male organ of the plant

stamen

all four floral organs (sepal, petal, stamen and pistil) are present in the same flower structure.

complete flower

- lacks any one or more of these parts. Relying on wind to accomplish pollination.

incomplete flower

All their flower parts the same in size and shape.

regular flower

Flowers with different shape and size parts

irregular flower

Flowers contains both sexual flower parts (stamen and pistil)

bisexual flower

Flowers contain either stamen or pistil only

unisexual flower

(male) and (female) flowers occur on the same plant

Monoecious plant

when male and female flowers are borne on separate plants

dioecious

young leaves are chlorotic but the primary veins are typically green

iron deficiency

organic compounds that are not nutrients,

plant growth. regulator

5 plant hormones

auxin , gibberellins, cytokinins, ethylene,abscisic acid

Induce elongation in shoot cells.

auxin

Factor in stem growth like auxin, can cause excessive elongation in a number of plant stems.

gibberellic acid GA HORMONES

Cell division

cytokinins

Maintains or "seals in" bud and seed dormancy

abscisic acid

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Fruit ripening and flower opening

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問題一覧

The loss of water from aerial parts of the plant in the form of water vapour

transpiration

waxy covering of the epidermis of leaves

cuticle

areas in the bark of stems

lenticle

It is seen in early morning in the form of water-drops at the margins or tips of leaves of herbaceous plants.

guttation

A long-distance transport of photoassimilates.

translocation

an organ or tissue that produces more assimilates than the requirement of the said organ for its own metabolism and growth exporter organ.

source

importer or consumer of assimilate.

sink

Plant body is composed of 3 organs

Leaf – Photosynthesis Stem – support Root – anchorage and absorption of water and minerals

Flattened disk or tubular sacks

endoplasmic reticulum

Mechanical protection and rigidity

cell wall

3 layers of cell wall

middle lamella primary wall secondary wall

for water storage and waste disposal.

vacuole

Semipermeable membrane surrounding the vacuole

tonoplast membrane

Small dense spherical structure in the nucleus

nucleolus

Contains the genetic materials for heredity (DNA)

nucleus

sites of cellular respiration

mitochondria

Sites of protein synthesis

ribosomes

bounds a cell

plasmalemma

component of permanent tissue

simple, complex

component of simple

epidermis, parenchyma, collenchyma, sclerenchyma

component of complex

xylem and phloem

component of xylem

xylem vessel and trancheids

component of phloem

seive tube and companion cell

Derived from meristems which have attained maturity form thus perform their specific function/s.

permanent tissue

Part of the plant where cell division

meristematic tissue

Tissue composed of single cell type

simple

Tissue composed of more than one cell type

complex

Outermost layer of cells;

epidermis

Thin-walled cells

parenchyma

Thick-walled elongated cells,

collenchyma

thick-walled highly specialized

sclerenchyma

Conduct water and mineral salts upward the plant body

xylem

Distributes dissolved food materials downward

phloem

outermost layer provides a covering for the plant body

dermal tissue system

conducting tissue, transpor

vascular tissue system

bulk of inner layers

ground tissue system

Regions of the root

Root cap Region of cell division Region of elongation Region of maturation

develops from the radicle of an embryo during seed germination

tap roots

A root that develops from any other part other than the radicle is known as?

adventitious roots

from the basal nodes of the stem,

stilt roots

Arise from the horizontal aerial branches of trees

prop roots

typical of epiphytes such as orchids

aerial roots

roots grow vertically up

Pneumatophores

these specialized roots,

contractile roots

invade the tissues of a host plant

parasitic roots

modified roots that store food and water.

Storage roots

some plants develop chlorophyll

photosynthetic roots

Legumes form root nodules.

symbiotic roots

wall-like extensions off the base of the trunk

Buttress roots

Supporting and conducting organ initially developed from the epicotyl

stem

the part of the stem where one or more leaves are borne

node

the part of the stem between two adjacent nodes

internode

union of a leaf and stem

axil

a short embryonic stem

bud

type of stem

bulb, culm , offset

Short, erect underground stem

bulb

flowering stem of grasses and sedges

culm

like runner originates from leaf axil as a short and thickened branch away from the mother plant

offset

Horizontal underground stem

rhizomes

Indeterminate aboveground stem

runner / stolon

Shoot arising below the ground from old stem

sucker

Principal photosynthetic organ

leaf

Stalk of the leaf

petiole

Flat blade of the leaf

leaf lamina

Central/ largest vein of the leaf

midrib

visible strands of conducting & strengthening tissues running through a leaf

vein

farthest from the point of attachment

tip

....

linear

leaves

lanceolate

leaves

oblong

Leaves

elliptical

leaves

ovate

leaves

cordate

leaves

auriculate

leaves

hastate

leaves

deltoid

reproductive organ of the plant

flower

have unique shape and colors to attract pollinators.

petal

the axis of a flower to which the other parts are attached

recepltacle

stalk bearing a flower or the main stalk of an inflorescence

peduncle

Protect the growing bud or the flower before it open.

sepal

Produces pollen

anther

stalk bearing a variously shaped body

filament

is the male organ of the plant

stamen

all four floral organs (sepal, petal, stamen and pistil) are present in the same flower structure.

complete flower

- lacks any one or more of these parts. Relying on wind to accomplish pollination.

incomplete flower

All their flower parts the same in size and shape.

regular flower

Flowers with different shape and size parts

irregular flower

Flowers contains both sexual flower parts (stamen and pistil)

bisexual flower

Flowers contain either stamen or pistil only

unisexual flower

(male) and (female) flowers occur on the same plant

Monoecious plant

when male and female flowers are borne on separate plants

dioecious

young leaves are chlorotic but the primary veins are typically green

iron deficiency

organic compounds that are not nutrients,

plant growth. regulator

5 plant hormones

auxin , gibberellins, cytokinins, ethylene,abscisic acid

Induce elongation in shoot cells.

auxin

Factor in stem growth like auxin, can cause excessive elongation in a number of plant stems.

gibberellic acid GA HORMONES

Cell division

cytokinins

Maintains or "seals in" bud and seed dormancy

abscisic acid

100

Fruit ripening and flower opening

ethylene