Upload
tang-tiong-min-
View
229
Download
0
Embed Size (px)
Citation preview
7/28/2019 (24.01) Plant Essential Elements
1/33
Plants Essential Elements
Macro and Micronutrients
7/28/2019 (24.01) Plant Essential Elements
2/33
Nutrients
MACRO-required in
relatively large
amounts
MICRO-required in
small amounts, minor
or trace elements
7/28/2019 (24.01) Plant Essential Elements
3/33
Macro: non-mineral elements
Carbon (C)
Hydrogen (H)
Oxygen (O)
http://www.passcal.nmt.edu/~alvarez/Work/NZ2001/images/t-WaterFall.jpg7/28/2019 (24.01) Plant Essential Elements
4/33
Macro: primary nutrients
Nitrogen (N)
Phosphorus (P)
Potassium (K)
http://images.google.com/imgres?imgurl=www.rrcnet.org/~swes/FIG6.GIF&imgrefurl=http://www.rrcnet.org/~swes/VEpage.html&h=385&w=477&prev=/images?q=corn+plant&svnum=10&hl=en&lr=&ie=UTF-8&oe=UTF-8&sa=G7/28/2019 (24.01) Plant Essential Elements
5/33
Macro: secondary nutrients
Calcium (Ca)
Magnesium (Mg)
Sulfur (S)
http://www.owlnet.rice.edu/~ling417/milk.jpg7/28/2019 (24.01) Plant Essential Elements
6/33
Micronutrients
Iron (Fe)
Copper (Cu)
Zinc (Zn)
Boron (B)
Molybdenum (Mo)
Manganese (Mn) Chlorine (Cl)
http://www.atpictures.com/images/arnold/title.jpghttp://www.atpictures.com/images/arnold/title.jpghttp://www.atpictures.com/images/arnold/title.jpghttp://www.atpictures.com/images/arnold/title.jpghttp://www.atpictures.com/images/arnold/title.jpghttp://www.atpictures.com/images/arnold/title.jpghttp://www.atpictures.com/images/arnold/title.jpghttp://www.atpictures.com/images/arnold/title.jpghttp://digilander.libero.it/mrolympia/m5.jpghttp://www.atpictures.com/images/arnold/title.jpg7/28/2019 (24.01) Plant Essential Elements
7/33
Nitrogen
Promotes growth of
leaves and stems
Gives dark green colorand improves quality
of foliage
Necessary to develop
cell proteins and
chlorophyll
http://images.google.com/imgres?imgurl=www.cropsci.ncsu.edu/personnel/smith_david/pictures/tractor.jpg&imgrefurl=http://www.cropsci.ncsu.edu/personnel/smith_david/&h=200&w=266&prev=/images?q=nitrogen+application+&svnum=10&hl=en&lr=&ie=UTF-8&oe=UTF-87/28/2019 (24.01) Plant Essential Elements
8/33
Nitrogen
Deficiency noted
when leaves are a sick,
yellow-green color Short stems, small
leaves, pale colored
leaves and flowers
Slow and dwarfed
plant growth
7/28/2019 (24.01) Plant Essential Elements
9/33
Phosphorus
Stimulates early
formation and growth
of roots Provides fast and
vigorous growth and
speeds maturity
Stimulates flowering
and seed development
http://www.dnr.state.md.us/forests/art/kf1.jpg7/28/2019 (24.01) Plant Essential Elements
10/33
Phosphorus
Symptoms of
deficiency include
slow maturity Older leaves are a
purplish color
Decrease in growth
http://images.google.com/imgres?imgurl=msucares.com/crops/corn/images/pdeficiency3.jpg&imgrefurl=http://msucares.com/crops/corn/corn_stunted.html&h=262&w=200&prev=/images?q=phosphorus+and+plants&svnum=10&hl=en&lr=&ie=UTF-8&oe=UTF-8&sa=G7/28/2019 (24.01) Plant Essential Elements
11/33
Potassium
Used to form
carbohydrates and
proteins Formation and transfer
of starches, sugars,
and oils
Increases disease
resistance, vigor, and
hardiness
http://www.extension.iastate.edu/nutrition/supplements/potassium%20containing%20bananas.jpg7/28/2019 (24.01) Plant Essential Elements
12/33
Potassium
Deficiency symptoms
include mottled,
spotted, streaked orcurled leaves
Scorched, burned,
dead leaf tips and
margins
http://images.google.com/imgres?imgurl=www.tulsamastergardeners.org/soils/potassium.jpg&imgrefurl=http://www.tulsamastergardeners.org/soils/soiltest.shtml&h=168&w=252&prev=/images?q=potassium+deficiency&svnum=10&hl=en&lr=&ie=UTF-8&oe=UTF-8&sa=G7/28/2019 (24.01) Plant Essential Elements
13/33
7/28/2019 (24.01) Plant Essential Elements
14/33
Calcium
Symptoms of
deficiency include
small developingleaves, wrinkled older
leaves
Dead stem tips
http://homepage.ntlworld.com/ian.oldham/blossom_end_rot_on_tomato_calcium_deficiency_7273.jpg7/28/2019 (24.01) Plant Essential Elements
15/33
Magnesium
Influences the intake
of other essential
nutrients Helps make fats
Assists in
translocation of
phosphorus and fats
http://www.iacr.bbsrc.ac.uk/broom/clinic/clinicimages/magnesium.jpg7/28/2019 (24.01) Plant Essential Elements
16/33
Magnesium
Deficiency symptoms
include interveinal
chlorosis-yellowing ofleaves between green
veins
Leaf tips curl or cup
upward
Slender, weak stems
http://images.google.com/imgres?imgurl=130.111.117.57/images/diseases/tmtomg.jpg&imgrefurl=http://130.111.117.57/diseases.htm&h=285&w=438&prev=/images?q=magnesium+deficiency&start=20&svnum=10&hl=en&lr=&ie=UTF-8&oe=UTF-8&sa=N7/28/2019 (24.01) Plant Essential Elements
17/33
Sulfur
Promotes root growth
and vigorous
vegetative growth Essential to protein
formation
http://www.dsuper.net/~marcouet/images/sulfur.jpg7/28/2019 (24.01) Plant Essential Elements
18/33
Sulfur
Deficiency symptoms
include young leaves
are light green withlighter colored veins
Yellow leaves and
stunted growth
http://www.back-to-basics.net/images/nds/Sulfur/Lett01S.jpg7/28/2019 (24.01) Plant Essential Elements
19/33
Iron
Essential for
chlorophyll production
Helps carry electronsto mix oxygen with
other elements
http://images.google.com/imgres?imgurl=www.senate.state.mi.us/District%20Maps/D38-%20iron%20co.gif&imgrefurl=http://www.senate.state.mi.us/SenatorInfo/senators-by-county-no-district-links.htm&h=542&w=473&prev=/images?q=iron&svnum=10&hl=en&lr=&ie=UTF-8&oe=UTF-8&sa=G7/28/2019 (24.01) Plant Essential Elements
20/33
Iron
Deficiency symptoms
include mottled and
interveinal chlorosis inyoung leaves
Stunted growth and
slender, short stems
http://aggie-horticulture.tamu.edu/cucurbit/leaf/37.3.jpeg7/28/2019 (24.01) Plant Essential Elements
21/33
Copper
Helps in the use of
iron
Helps respiration
http://images.google.com/imgres?imgurl=www.bisbeemuseum.org/pics/Copper.jpg&imgrefurl=http://www.bisbeemuseum.org/mineral_hall2.htm&h=208&w=300&prev=/images?q=copper&svnum=10&hl=en&lr=&ie=UTF-8&oe=UTF-8&sa=G7/28/2019 (24.01) Plant Essential Elements
22/33
Copper
Deficiency symptoms
include young leaves
are small andpermanently wilted
Multiple bud at stem
tips
http://aggie-horticulture.tamu.edu/syllabi/422/pics/nutr/cu_def3.jpg7/28/2019 (24.01) Plant Essential Elements
23/33
Zinc
Helps plant
metabolism function
Helps form growthhormones
Aids in reproduction
http://www.bbc.co.uk/wales/northeast/guides/clubguide/images/rhyl/zinc.jpg7/28/2019 (24.01) Plant Essential Elements
24/33
Zinc
Deficiency includes
retarded growth
between nodes(rosetted)
New leaves are thick
and small
Spotted between
veins, discolored veins
http://www.tulsamastergardeners.org/soils/zinc.jpg7/28/2019 (24.01) Plant Essential Elements
25/33
Boron
Affects water
absorption by roots
Translocation ofsugars
http://milo.usu.edu/cpl/images/plant%20nutrition/boron%20sf.JPG7/28/2019 (24.01) Plant Essential Elements
26/33
Boron
Deficiency symptoms
include short, thick
stem tips Young leaves of
terminal buds are light
green at base
Leaves become
twisted and die
http://www.back-to-basics.net/images/nds/Boron/Almo01B.jpg7/28/2019 (24.01) Plant Essential Elements
27/33
Manganese
Aids in plant
metabolism
Helps in nitrogentransformation
http://images.google.com/imgres?imgurl=milo.usu.edu/cpl/images/plant%20nutrition/manganese%20sb3.JPG&imgrefurl=http://milo.usu.edu/cpl/toxicities.html&h=450&w=600&prev=/images?q=manganese&svnum=10&hl=en&lr=&ie=UTF-8&oe=UTF-8&sa=G7/28/2019 (24.01) Plant Essential Elements
28/33
Manganese
Deficiency symptoms
include interveinal
chlorosis Young leaves die
http://www.iacr.bbsrc.ac.uk/broom/clinic/clinicimages/mn_deficiency.jpg7/28/2019 (24.01) Plant Essential Elements
29/33
Molybdenum
Aids in plant
development
Reproduction
http://www.lm.liverpool.k12.ny.us/HyperChart/periodicchart/p.c.gifs/molybdenum.GIF7/28/2019 (24.01) Plant Essential Elements
30/33
Molybdenum
Deficiency symptoms
include stunted growth
Yellow leaves, upwardcurling leaves
Leaf margin burn
http://floriculture.osu.edu/archive/aug97/images/potmol22.jpg7/28/2019 (24.01) Plant Essential Elements
31/33
7/28/2019 (24.01) Plant Essential Elements
32/33
Chlorine
Usually there are more
problems with too
much chlorine ortoxicity than with
deficiency
http://aggie-horticulture.tamu.edu/syllabi/601/ca7.jpg7/28/2019 (24.01) Plant Essential Elements
33/33
Macro and Micro Nutrients
Remember:
C Ca Fe HOPKiNS Managed By My Cuzin
MoCo ClZn