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Causes and Management of Turf Stress

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Instructor: Bill Kreuser, PhD

Turfgrass plants need to adapt to changing weather conditions or they parish. This course covers different forms of abiotic stress, their impact on health, and management strategies to over-come stress. Different topics include heat, cold, too little & too much light, drought, ice encasement, desiccation, and traffic damage. Multiple stresses, plant health, and plant health promoting products will also be discussed.

Designed Duration: 12 Lectures, 6 Quizzes

Credits Earned: 2

Curriculum

  • 7 Sections
  • 23 Lessons
  • 3 Quizzes
  • 0 Zooms
  • 0 Assignments
  • 12h Duration
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Welcome to Causes and Management of Turfgrass Stress!
2 Lessons0 Quizzes0 Zooms0 Assignments
  1. About this course
  2. How to use GreenKeeper University Software
Section 1: "Normal" Turfgrass Growth and Development
2 Lessons1 Quiz0 Zooms0 Assignments
  1. Lecture 1: Turfgrass Growth and Photosynthesis
  2. Lecture 1.2: Phytosynthetic stress causes damage
  3. Section 1 Quiz
Section 2: Carbon Partitioning, Traffic and Cultivation
5 Lessons1 Quiz0 Zooms0 Assignments
  1. Lecture 2.1: Hormones, PGRs and different classes of stress
  2. Lecture 2.2: Carbon partitioning, mowing and traffic stress
  3. Optional Video: Linking brown patch and dollar spot to growth rate
  4. Optional Video: Mowing practices and PGRs impact putting green performance
  5. Bonus Content: Discussion about managing growth rate with PGRs
  6. Section 2 Quiz
Section 3: Light Stress - Too Little or Too Much
4 Lessons0 Quizzes0 Zooms0 Assignments
  1. Lecture 3.1.1: Light Stress
  2. Lecture 3.1.2: Light Stress (Continued)
  3. Lecture 3.2: Shade Stress
  4. Daily Light Integral Example
Section 4: Heat and Cold Stress
3 Lessons0 Quizzes0 Zooms0 Assignments
  1. Lecture 4.1: Heat Stress
  2. Lecture 4.2: General Winterkill
  3. Lecture 4.3: Cold temperature, Ice and Snow Molds
Section 5: Turfgrass Water Use & Desiccation During Winter and Summer
4 Lessons1 Quiz0 Zooms0 Assignments
  1. Lecture 5.1.1: Winter Dessication
  2. Lecture 5.1.2: Recovery from Winterkill
  3. Lecture 5.2: Turfgrass Water Use and Drought
  4. Lecture 5.3: Plant-Soil-Weather Relations
  5. Section 5 Quiz
Section 6: Maximizing Turfgrass Health with Products
3 Lessons0 Quizzes0 Zooms0 Assignments
  1. Lecture 6.1: PGRs and Plant Health
  2. Lecture 6.2: Products to Improve Plant Health
  3. Optional Content: Dr. Paul Koch on Dollar Spot, Chlorothalonil and the Soil Microbiome
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