MSU Extension Pesticide Education Ornamental Pest Management (Category 3B) Non-Pest Disorders and...
-
Upload
winfred-allen -
Category
Documents
-
view
219 -
download
1
Transcript of MSU Extension Pesticide Education Ornamental Pest Management (Category 3B) Non-Pest Disorders and...
![Page 1: MSU Extension Pesticide Education Ornamental Pest Management (Category 3B) Non-Pest Disorders and Landscape Weeds Chapter 5.](https://reader035.fdocuments.in/reader035/viewer/2022062320/56649d225503460f949f81b8/html5/thumbnails/1.jpg)
MSU ExtensionMSU ExtensionPesticide EducationPesticide Education
Ornamental Pest Ornamental Pest Management (Category 3B)Management (Category 3B)
Non-Pest Disorders andNon-Pest Disorders and Landscape Weeds Landscape Weeds
Chapter 5Chapter 5
![Page 2: MSU Extension Pesticide Education Ornamental Pest Management (Category 3B) Non-Pest Disorders and Landscape Weeds Chapter 5.](https://reader035.fdocuments.in/reader035/viewer/2022062320/56649d225503460f949f81b8/html5/thumbnails/2.jpg)
Environmental & Cultural Environmental & Cultural DisordersDisorders
Most landscape plant injury is caused by poor growing conditions.
Weakened plants are more susceptible to pest attack than non-stressed plants.
![Page 3: MSU Extension Pesticide Education Ornamental Pest Management (Category 3B) Non-Pest Disorders and Landscape Weeds Chapter 5.](https://reader035.fdocuments.in/reader035/viewer/2022062320/56649d225503460f949f81b8/html5/thumbnails/3.jpg)
MSU ExtensionMSU ExtensionPesticide EducationPesticide Education
Environmental and Cultural Environmental and Cultural DisordersDisorders
ConstructionConstruction Salt Salt DessicationDessication Mechanical Mechanical
damagedamage PesticidesPesticides CompactionCompaction
DroughtDrought FloodingFlooding Improper plantingImproper planting Improper cultural Improper cultural
practicespractices Poor plant Poor plant
selectionselection
![Page 4: MSU Extension Pesticide Education Ornamental Pest Management (Category 3B) Non-Pest Disorders and Landscape Weeds Chapter 5.](https://reader035.fdocuments.in/reader035/viewer/2022062320/56649d225503460f949f81b8/html5/thumbnails/4.jpg)
MSU ExtensionMSU ExtensionPesticide EducationPesticide Education
Tough environmental
conditions.
![Page 5: MSU Extension Pesticide Education Ornamental Pest Management (Category 3B) Non-Pest Disorders and Landscape Weeds Chapter 5.](https://reader035.fdocuments.in/reader035/viewer/2022062320/56649d225503460f949f81b8/html5/thumbnails/5.jpg)
MSU ExtensionMSU ExtensionPesticide EducationPesticide Education
Site too wet for this species.
![Page 6: MSU Extension Pesticide Education Ornamental Pest Management (Category 3B) Non-Pest Disorders and Landscape Weeds Chapter 5.](https://reader035.fdocuments.in/reader035/viewer/2022062320/56649d225503460f949f81b8/html5/thumbnails/6.jpg)
MSU ExtensionMSU ExtensionPesticide EducationPesticide Education
Tough environmental conditions.
![Page 7: MSU Extension Pesticide Education Ornamental Pest Management (Category 3B) Non-Pest Disorders and Landscape Weeds Chapter 5.](https://reader035.fdocuments.in/reader035/viewer/2022062320/56649d225503460f949f81b8/html5/thumbnails/7.jpg)
MSU ExtensionMSU ExtensionPesticide EducationPesticide Education
Poor planting technique.
Note the twine that has not decayed.
![Page 8: MSU Extension Pesticide Education Ornamental Pest Management (Category 3B) Non-Pest Disorders and Landscape Weeds Chapter 5.](https://reader035.fdocuments.in/reader035/viewer/2022062320/56649d225503460f949f81b8/html5/thumbnails/8.jpg)
MSU ExtensionMSU ExtensionPesticide EducationPesticide Education
Herbicide injury through root absorption.
![Page 9: MSU Extension Pesticide Education Ornamental Pest Management (Category 3B) Non-Pest Disorders and Landscape Weeds Chapter 5.](https://reader035.fdocuments.in/reader035/viewer/2022062320/56649d225503460f949f81b8/html5/thumbnails/9.jpg)
MSU ExtensionMSU ExtensionPesticide EducationPesticide Education
Black walnut trees and stunted white pine.
![Page 10: MSU Extension Pesticide Education Ornamental Pest Management (Category 3B) Non-Pest Disorders and Landscape Weeds Chapter 5.](https://reader035.fdocuments.in/reader035/viewer/2022062320/56649d225503460f949f81b8/html5/thumbnails/10.jpg)
MSU ExtensionMSU ExtensionPesticide EducationPesticide Education
Excavation and construction activity caused this tree to die early.
![Page 11: MSU Extension Pesticide Education Ornamental Pest Management (Category 3B) Non-Pest Disorders and Landscape Weeds Chapter 5.](https://reader035.fdocuments.in/reader035/viewer/2022062320/56649d225503460f949f81b8/html5/thumbnails/11.jpg)
MSU ExtensionMSU ExtensionPesticide EducationPesticide Education
Poor site conditions post-construction.
![Page 12: MSU Extension Pesticide Education Ornamental Pest Management (Category 3B) Non-Pest Disorders and Landscape Weeds Chapter 5.](https://reader035.fdocuments.in/reader035/viewer/2022062320/56649d225503460f949f81b8/html5/thumbnails/12.jpg)
MSU ExtensionMSU ExtensionPesticide EducationPesticide Education
Flooded conditions suffocate roots.
![Page 13: MSU Extension Pesticide Education Ornamental Pest Management (Category 3B) Non-Pest Disorders and Landscape Weeds Chapter 5.](https://reader035.fdocuments.in/reader035/viewer/2022062320/56649d225503460f949f81b8/html5/thumbnails/13.jpg)
MSU ExtensionMSU ExtensionPesticide EducationPesticide Education
Desiccation
![Page 14: MSU Extension Pesticide Education Ornamental Pest Management (Category 3B) Non-Pest Disorders and Landscape Weeds Chapter 5.](https://reader035.fdocuments.in/reader035/viewer/2022062320/56649d225503460f949f81b8/html5/thumbnails/14.jpg)
MSU ExtensionMSU ExtensionPesticide EducationPesticide Education
Cold temperature injury.
![Page 15: MSU Extension Pesticide Education Ornamental Pest Management (Category 3B) Non-Pest Disorders and Landscape Weeds Chapter 5.](https://reader035.fdocuments.in/reader035/viewer/2022062320/56649d225503460f949f81b8/html5/thumbnails/15.jpg)
MSU ExtensionMSU ExtensionPesticide EducationPesticide Education
Lightening injury on oak.
![Page 16: MSU Extension Pesticide Education Ornamental Pest Management (Category 3B) Non-Pest Disorders and Landscape Weeds Chapter 5.](https://reader035.fdocuments.in/reader035/viewer/2022062320/56649d225503460f949f81b8/html5/thumbnails/16.jpg)
MSU ExtensionMSU ExtensionPesticide EducationPesticide Education
Environmental and Cultural Environmental and Cultural DisordersDisorders
ConstructionConstruction Salt Salt DessicationDessication Mechanical Mechanical
damagedamage PesticidesPesticides CompactionCompaction
DroughtDrought FloodingFlooding Improper plantingImproper planting Improper cultural Improper cultural
practicespractices Poor plant Poor plant
selectionselection
![Page 17: MSU Extension Pesticide Education Ornamental Pest Management (Category 3B) Non-Pest Disorders and Landscape Weeds Chapter 5.](https://reader035.fdocuments.in/reader035/viewer/2022062320/56649d225503460f949f81b8/html5/thumbnails/17.jpg)
MSU ExtensionMSU ExtensionPesticide EducationPesticide Education
Landscape WeedLandscape Weed
WEEDWEED = any plant = any plant growing where it is not growing where it is not
wanted.wanted.
![Page 18: MSU Extension Pesticide Education Ornamental Pest Management (Category 3B) Non-Pest Disorders and Landscape Weeds Chapter 5.](https://reader035.fdocuments.in/reader035/viewer/2022062320/56649d225503460f949f81b8/html5/thumbnails/18.jpg)
Change the location and any plant can become a weed.
For example, bluegrass invading a flower bed is a weed.
![Page 19: MSU Extension Pesticide Education Ornamental Pest Management (Category 3B) Non-Pest Disorders and Landscape Weeds Chapter 5.](https://reader035.fdocuments.in/reader035/viewer/2022062320/56649d225503460f949f81b8/html5/thumbnails/19.jpg)
MSU ExtensionMSU ExtensionPesticide EducationPesticide Education
Weeds Compete For:Weeds Compete For:
Growing spaceGrowing space
WaterWater
NutrientsNutrients
SunlightSunlight
![Page 20: MSU Extension Pesticide Education Ornamental Pest Management (Category 3B) Non-Pest Disorders and Landscape Weeds Chapter 5.](https://reader035.fdocuments.in/reader035/viewer/2022062320/56649d225503460f949f81b8/html5/thumbnails/20.jpg)
MSU ExtensionMSU ExtensionPesticide EducationPesticide Education
Knotweed is tolerant of compacted soil.
![Page 21: MSU Extension Pesticide Education Ornamental Pest Management (Category 3B) Non-Pest Disorders and Landscape Weeds Chapter 5.](https://reader035.fdocuments.in/reader035/viewer/2022062320/56649d225503460f949f81b8/html5/thumbnails/21.jpg)
MSU ExtensionMSU ExtensionPesticide EducationPesticide Education
Weeds are Indicators of Site Weeds are Indicators of Site ConditionsConditions
Hot soilHot soil– Purslane, spurgePurslane, spurge
Compacted, wetCompacted, wet– Annual bluegrassAnnual bluegrass
Wet, shadyWet, shady– Rough bluegrass, horsetailRough bluegrass, horsetail
Deep shadeDeep shade– Ground ivy, chickweedGround ivy, chickweed
![Page 22: MSU Extension Pesticide Education Ornamental Pest Management (Category 3B) Non-Pest Disorders and Landscape Weeds Chapter 5.](https://reader035.fdocuments.in/reader035/viewer/2022062320/56649d225503460f949f81b8/html5/thumbnails/22.jpg)
Weeds can...
- Girdle plants
- Harbor pests
- Injure people
![Page 23: MSU Extension Pesticide Education Ornamental Pest Management (Category 3B) Non-Pest Disorders and Landscape Weeds Chapter 5.](https://reader035.fdocuments.in/reader035/viewer/2022062320/56649d225503460f949f81b8/html5/thumbnails/23.jpg)
MSU ExtensionMSU ExtensionPesticide EducationPesticide Education
Vines can girdle established plants.
![Page 24: MSU Extension Pesticide Education Ornamental Pest Management (Category 3B) Non-Pest Disorders and Landscape Weeds Chapter 5.](https://reader035.fdocuments.in/reader035/viewer/2022062320/56649d225503460f949f81b8/html5/thumbnails/24.jpg)
MSU ExtensionMSU ExtensionPesticide EducationPesticide Education
Monocots: parallel leaf veins, growth Monocots: parallel leaf veins, growth points at/below soil levelpoints at/below soil level– Grass family Grass family
• Crabgrass, quackgrassCrabgrass, quackgrass
– Sedge family Sedge family • NutsedgeNutsedge
– Lily familyLily family• Wild garlicWild garlic
![Page 25: MSU Extension Pesticide Education Ornamental Pest Management (Category 3B) Non-Pest Disorders and Landscape Weeds Chapter 5.](https://reader035.fdocuments.in/reader035/viewer/2022062320/56649d225503460f949f81b8/html5/thumbnails/25.jpg)
MSU ExtensionMSU ExtensionPesticide EducationPesticide Education
Dicots: net-like leaf veins, diverse growing Dicots: net-like leaf veins, diverse growing pointspoints– Composite family
• Dandelions, thistles
– Mustard family • Shepherd's purse
– Carrot family• Wild carrot
Many others
![Page 26: MSU Extension Pesticide Education Ornamental Pest Management (Category 3B) Non-Pest Disorders and Landscape Weeds Chapter 5.](https://reader035.fdocuments.in/reader035/viewer/2022062320/56649d225503460f949f81b8/html5/thumbnails/26.jpg)
MSU ExtensionMSU ExtensionPesticide EducationPesticide Education
Stages of Weed DevelopmentStages of Weed Development
1. Seedling1. Seedling
– Tender, vulnerableTender, vulnerable
2. Vegetative2. Vegetative
– Great uptake of Great uptake of water and nutrientswater and nutrients
3. Seed production3. Seed production
– Reduced uptake, energy Reduced uptake, energy directed to flowers, fruitdirected to flowers, fruit
4. Maturity4. Maturity
– Little uptake or energy Little uptake or energy production production
![Page 27: MSU Extension Pesticide Education Ornamental Pest Management (Category 3B) Non-Pest Disorders and Landscape Weeds Chapter 5.](https://reader035.fdocuments.in/reader035/viewer/2022062320/56649d225503460f949f81b8/html5/thumbnails/27.jpg)
MSU ExtensionMSU ExtensionPesticide EducationPesticide Education
Annual weeds: live one year Annual weeds: live one year – Summer annuals: Summer annuals: seed and die by winter.seed and die by winter.
• Pigweed, crabgrassPigweed, crabgrass
– Winter annuals: Winter annuals: germinate in late germinate in late summer, overwinter, produce seed, die the summer, overwinter, produce seed, die the next season.next season.
• Chickweed, pennycressChickweed, pennycress
![Page 28: MSU Extension Pesticide Education Ornamental Pest Management (Category 3B) Non-Pest Disorders and Landscape Weeds Chapter 5.](https://reader035.fdocuments.in/reader035/viewer/2022062320/56649d225503460f949f81b8/html5/thumbnails/28.jpg)
MSU ExtensionMSU ExtensionPesticide EducationPesticide Education
Lambsquarter
![Page 29: MSU Extension Pesticide Education Ornamental Pest Management (Category 3B) Non-Pest Disorders and Landscape Weeds Chapter 5.](https://reader035.fdocuments.in/reader035/viewer/2022062320/56649d225503460f949f81b8/html5/thumbnails/29.jpg)
MSU ExtensionMSU ExtensionPesticide EducationPesticide Education
Biennial weeds: broadleaf plants with Biennial weeds: broadleaf plants with a two year life cyclea two year life cycle
– vegetative growth first yearvegetative growth first year
– mature, seed and die in second yearmature, seed and die in second year
• Queen Anne’s lace, bull thistleQueen Anne’s lace, bull thistle
![Page 30: MSU Extension Pesticide Education Ornamental Pest Management (Category 3B) Non-Pest Disorders and Landscape Weeds Chapter 5.](https://reader035.fdocuments.in/reader035/viewer/2022062320/56649d225503460f949f81b8/html5/thumbnails/30.jpg)
MSU ExtensionMSU ExtensionPesticide EducationPesticide Education
Queen Anne’s lace.
![Page 31: MSU Extension Pesticide Education Ornamental Pest Management (Category 3B) Non-Pest Disorders and Landscape Weeds Chapter 5.](https://reader035.fdocuments.in/reader035/viewer/2022062320/56649d225503460f949f81b8/html5/thumbnails/31.jpg)
MSU ExtensionMSU ExtensionPesticide EducationPesticide Education
Perennial weeds: live 3 or more yearsPerennial weeds: live 3 or more years
– most persistent most persistent
– difficult to controldifficult to control
– propagulespropagules• rhizomes, stolons, bulbs, tubersrhizomes, stolons, bulbs, tubers
– wide range of dicots and monocotswide range of dicots and monocots• quackgrass, dandelion, poison ivyquackgrass, dandelion, poison ivy
![Page 32: MSU Extension Pesticide Education Ornamental Pest Management (Category 3B) Non-Pest Disorders and Landscape Weeds Chapter 5.](https://reader035.fdocuments.in/reader035/viewer/2022062320/56649d225503460f949f81b8/html5/thumbnails/32.jpg)
MSU ExtensionMSU ExtensionPesticide EducationPesticide Education
Quackgrass
Dandelion
![Page 33: MSU Extension Pesticide Education Ornamental Pest Management (Category 3B) Non-Pest Disorders and Landscape Weeds Chapter 5.](https://reader035.fdocuments.in/reader035/viewer/2022062320/56649d225503460f949f81b8/html5/thumbnails/33.jpg)
MSU ExtensionMSU ExtensionPesticide EducationPesticide Education
Scout, identify and inventory populations.
![Page 34: MSU Extension Pesticide Education Ornamental Pest Management (Category 3B) Non-Pest Disorders and Landscape Weeds Chapter 5.](https://reader035.fdocuments.in/reader035/viewer/2022062320/56649d225503460f949f81b8/html5/thumbnails/34.jpg)
MSU ExtensionMSU ExtensionPesticide EducationPesticide Education
Managing Landscape WeedsManaging Landscape Weeds
Maintain vigorous ornamentalsMaintain vigorous ornamentals
Prevent seed productionPrevent seed production
Prevent seed germinationPrevent seed germination
Limit emerged weeds earlyLimit emerged weeds early
Limit susceptible stages of mature Limit susceptible stages of mature weeds.weeds.
![Page 35: MSU Extension Pesticide Education Ornamental Pest Management (Category 3B) Non-Pest Disorders and Landscape Weeds Chapter 5.](https://reader035.fdocuments.in/reader035/viewer/2022062320/56649d225503460f949f81b8/html5/thumbnails/35.jpg)
Alternative Weed ControlsAlternative Weed Controls
SanitationSanitation
TillageTillage
CultivationCultivation
CuttingCutting
MulchingMulching
![Page 36: MSU Extension Pesticide Education Ornamental Pest Management (Category 3B) Non-Pest Disorders and Landscape Weeds Chapter 5.](https://reader035.fdocuments.in/reader035/viewer/2022062320/56649d225503460f949f81b8/html5/thumbnails/36.jpg)
MSU ExtensionMSU ExtensionPesticide EducationPesticide Education
Chemical designed to control Chemical designed to control weeds. Plant, soil and weeds. Plant, soil and weather conditions influence weather conditions influence herbicidal activity.herbicidal activity.
![Page 37: MSU Extension Pesticide Education Ornamental Pest Management (Category 3B) Non-Pest Disorders and Landscape Weeds Chapter 5.](https://reader035.fdocuments.in/reader035/viewer/2022062320/56649d225503460f949f81b8/html5/thumbnails/37.jpg)
MSU ExtensionMSU ExtensionPesticide EducationPesticide Education
Herbicide Herbicide CharacteristicsCharacteristics
Contact Systemic
![Page 38: MSU Extension Pesticide Education Ornamental Pest Management (Category 3B) Non-Pest Disorders and Landscape Weeds Chapter 5.](https://reader035.fdocuments.in/reader035/viewer/2022062320/56649d225503460f949f81b8/html5/thumbnails/38.jpg)
MSU ExtensionMSU ExtensionPesticide EducationPesticide Education
Herbicide CharacteristicsHerbicide Characteristics
PersistentNon
Persistent
![Page 39: MSU Extension Pesticide Education Ornamental Pest Management (Category 3B) Non-Pest Disorders and Landscape Weeds Chapter 5.](https://reader035.fdocuments.in/reader035/viewer/2022062320/56649d225503460f949f81b8/html5/thumbnails/39.jpg)
MSU ExtensionMSU ExtensionPesticide EducationPesticide Education
Herbicide CharacteristicsHerbicide Characteristics
SelectiveNon
Selective
![Page 40: MSU Extension Pesticide Education Ornamental Pest Management (Category 3B) Non-Pest Disorders and Landscape Weeds Chapter 5.](https://reader035.fdocuments.in/reader035/viewer/2022062320/56649d225503460f949f81b8/html5/thumbnails/40.jpg)
MSU ExtensionMSU ExtensionPesticide EducationPesticide Education
Herbicide CharacteristicsHerbicide Characteristics Application in relation to plant developmentApplication in relation to plant development
– Pre-plantPre-plant
• Before crop is plantedBefore crop is planted
– Pre-emergentPre-emergent
• Before weeds emergeBefore weeds emerge
– Post emergentPost emergent• After weeds emergeAfter weeds emerge
![Page 41: MSU Extension Pesticide Education Ornamental Pest Management (Category 3B) Non-Pest Disorders and Landscape Weeds Chapter 5.](https://reader035.fdocuments.in/reader035/viewer/2022062320/56649d225503460f949f81b8/html5/thumbnails/41.jpg)
MSU ExtensionMSU ExtensionPesticide EducationPesticide Education
Herbicides and Plant Herbicides and Plant CharacteristicsCharacteristics
Growing pointsGrowing points
Leaf shape and orientationLeaf shape and orientation
Wax and cuticleWax and cuticle
![Page 42: MSU Extension Pesticide Education Ornamental Pest Management (Category 3B) Non-Pest Disorders and Landscape Weeds Chapter 5.](https://reader035.fdocuments.in/reader035/viewer/2022062320/56649d225503460f949f81b8/html5/thumbnails/42.jpg)
MSU ExtensionMSU ExtensionPesticide EducationPesticide Education
Herbicides and Plant Herbicides and Plant CharacteristicsCharacteristics
Leaf hairsLeaf hairs
DeactivationDeactivation
Life cycle stageLife cycle stage
![Page 43: MSU Extension Pesticide Education Ornamental Pest Management (Category 3B) Non-Pest Disorders and Landscape Weeds Chapter 5.](https://reader035.fdocuments.in/reader035/viewer/2022062320/56649d225503460f949f81b8/html5/thumbnails/43.jpg)
Herbicide EffectivenessHerbicide Effectiveness
seedling vegetative flowering mature0
20
40
60
80
100
seedling vegetative flowering mature
% control
![Page 44: MSU Extension Pesticide Education Ornamental Pest Management (Category 3B) Non-Pest Disorders and Landscape Weeds Chapter 5.](https://reader035.fdocuments.in/reader035/viewer/2022062320/56649d225503460f949f81b8/html5/thumbnails/44.jpg)
Climatic FactorsClimatic Factors
Relative humidityRelative humidity
LightLight
PrecipitationPrecipitation
TemperatureTemperature