abiotic disorders the other diseases john f. baniecki, ph.d. extension specialist, plant...
TRANSCRIPT
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Abiotic Disorders
The Other Diseases
John F. Baniecki, Ph.D.
Extension Specialist, Plant Pathology/Entomology
Professor, Plant Pathology, College of Agriculture, Forestry and Consumer Sciences
West Virginia University
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Abiotic Disorders
The Other Diseases
OBJECTIVES
1. To discuss major causes of abiotic disorders on some ornamentals and vegetables (as examples).
2. To create an awareness that abiotic disorders do exist.
3. To increase an interest in wanting to know more about abiotic disorders.
4. Consequently, to improve upon problem solving recognition.
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Abiotic Disorders
The Other Diseases
First, Understand the Healthy Plant
1. Know thy plant
1. What does the healthy plant look like?
2. What are the characteristics of the plant?
3. Is the plant adapted to the area?
4. How is the plant cultured?
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Abiotic Disorders
The Other Diseases
–Understand the sick or diseased plant.
–A plant may not always be healthy.
–Plant problems do exist and a disease can occur.
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Abiotic Disorders
The Other Diseases
Diseases May Be Caused (Biotic) Living Agents Or Non-Living Agents (Abiotic) Or Both.
There are:
Infectious Living Agents. Fungi, Bacteria, Viruses, (Viroids, Plasmids), And Nematodes.
Non-Infectious Living Agents. Insects And Vertebrates (Rodents, Deer, and Humans).
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The Other Diseases
Abiotic Disorders
In plant problem solving, it is important to be aware of the other diseases------------
This presentation will focus on:This presentation will focus on:
--------------------------ABIOTIC DISORDERS.
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Abiotic Disorders
The Other Diseases
There are those abiotic disorders that are uncontrollable and associated with the environment.
Environmental causes of disorders include:
Temperature Effects (Cold and Heat)
Effects of Wetness or Dryness/Drought
Lightning
Gas Leakage
Effects of Air Pollution
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Abiotic Disorders
The Other Diseases
There are those abiotic disorders that are controllable and are a frequent cause of plant disorders that are brought about by a lack of a practice or misuse of a practice associated with no one else, but the -----------
human.
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Abiotic Disorders
The Other Diseases
Plant disorders associated with the human practices are:
Cultural
Planting
Mulching
Soil Fertility
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Abiotic Disorders
The Other Diseases
Plant disorders associated with the human practices are:
Mechanical
Use Of:
Guide Or Staking Wires
Weed Eater
Lawn Mower
Planting Material
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Abiotic Disorders
The Other Diseases
Plant disorders associated with the human practices are:
Chemical Use
Examples Are The Use Of:
Salt
Fertilizer
Pesticide
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Abiotic Disorders
The Other Diseases
Environmental Causes of Plant Disorders
Temperature Effects--COLD
Sudden Drop In Temperature
Frozen Ground
Windy Northern Exposure
Water Loss
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Abiotic Disorders
The Other Diseases Environmental
Effects----COLD
Winter
Desiccation
Northern Exposure
Evergreen Damage
Rhododendron Damage
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Abiotic Disorders
The Other Diseases
Environmental
Effects----COLD
Frost Injury Freeze Damage
Frost Injury
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Abiotic Disorders
The Other Diseases
Environmental
Effects----COLD
Late Frost InjuryFrost Damage
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Abiotic Disorders
The Other Diseases
Environmental Causes of Plant Disorders
Temperature Effects--HEAT
Sunny Exposure
Water Loss
Wilting, Yellowing, Browning
-----Death
Scalding
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Abiotic Disorders
The Other Diseases Environmental
Effects----HEAT
Heat Reflection From A Paved Surface
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Abiotic Disorders
The Other Diseases Environmental
Effects----HEAT
SUNSCALD
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Abiotic Disorders
The Other Diseases Environmental
Effects----DROUGHT
Loss of water
Wilting, Yellowing, Browning
-----Death
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Abiotic Disorders
The Other Diseases
Environmental Effects----
DROUGHT
Loss Of Water From The Plant
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Environmental
Effects--------------------------WETNESS
POOR DRAINAGE
Abiotic Disorders
The Other Diseases
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Abiotic Disorders
The Other Diseases
Environmental
Effects--------------------------WETNESS
POOR DRAINAGE
Waterlogged Soil
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Abiotic Disorders
The Other Diseases
Environmental
Effects--------------------------HAIL
May Be Unnoticed
Or
Noticeable Pockets Or Rifts Tattered Leaves
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Abiotic Disorders
The Other Diseases Environmental
Effects
--------------------------Lightning
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Abiotic Disorders
The Other Diseases Environmental
Effects
-----Gas Injury
Plants Affected May Be Far Removed From The Gas Leakage
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Environmental
Effects
-----Air Pollutants
Ozone, Sulfur Dioxide, Nitrogen Oxides And
Peroxyacyl Nitrates (PAN), Fluoride,
Chlorine, And Ammonia
Abiotic Disorders
The Other Diseases
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Abiotic Disorders
The Other Diseases Environmental Effects
-----Ozone
Flecking, Mottling, Chlorosis, Banding, Bronzing, Browning, Blanching
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Abiotic Disorders
The Other Diseases Environmental Effects
-----Sulfur Dioxide
Browning, Chlorosis, Banding, Bleaching, Bronzing
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Abiotic Disorders
The Other Diseases Environmental Effects
-----Nitrogen Oxides And
Peroxyacyl Nitrates (PAN)
Light Browning, Glazing, Bronzing
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Abiotic Disorders
The Other Diseases
Environmental Effects
-----Fluoride
Chlorotic Flecking, Marginal Browning
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Abiotic Disorders
The Other Diseases
Environmental Effects
-------
Chlorine Ammonia
Light Browning On Tips and Edges
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Abiotic Disorders
The Other Diseases
Plant Disorders Associated With Human Practices------------Cultural
Planting Problems
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Abiotic Disorders
The Other Diseases
Plant Disorders Associated With Human Practices ------------Cultural
Fill Soil Over Existing Roots Constructionitis
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Abiotic Disorders
The Other Diseases
Plant Disorders Associated With Human Practices ------------Cultural
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Abiotic Disorders
The Other Diseases
Plant Disorders Associated With Human Practices ------------Cultural
Nutrient Deficiencies
Nitrogen Phosphorus Potassium
Lower Leaves Affected First
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Abiotic Disorders
The Other Diseases
Plant Disorders Associated With Human Practices ------------Cultural
Nutrient Deficiencies
Iron Manganese
Immobile
Magnesium
Mobile
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Abiotic Disorders
The Other Diseases
Plant Disorders Associated With Human Practices ------------Cultural
Nutrient Deficiencies
Calcium
Affects Root Growth Constituent Of The Middle Lamella
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Abiotic Disorders
The Other Diseases
Plant Disorders Associated With Human Practices
Mechanical/ Physical Injury
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Abiotic Disorders
The Other Diseases
Plant Disorders Associated With Human Practices Mechanical/ Physical Injury
Staking Wire Injury Girdling Plastic Twine
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Abiotic Disorders
The Other Diseases
Plant Disorders Associated With Human Practices
Mechanical/ Physical Injury
Lawn Mower Damage
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Abiotic Disorders
The Other Diseases
Plant Disorders Associated With Human Practices Chemical Use
Over Fertilization
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Abiotic Disorders
The Other Diseases
Plant Disorders Associated With Human Practices Chemical Use
Distortion, Cupping,
Browning
2,4-D On Tomato Dicamba Injury
Linden
Taxus
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Abiotic Disorders
The Other Diseases
Plant Disorders Associated With Human Practices Chemical Use Yellowing, Browning, Distortion
Orthene
Roundup
Urine
(Another Matter)
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Abiotic Disorders
The Other Diseases
AS ONE CAN SEE
NOT ALL “BUGS” (LIVING AGENTS; FUNGI, BACTERIA, VIRUSES, NEMATODES, INSECTS) AND VERTEBRATES (RODENTS, DEER) CAUSE PLANT PROBLEMS.
CAN HUMANS BUG THE PLANTS?
FOR A LARGE PART THEY DO.