Introduction

Welcome to the Plant Physiology for Growers video series, with Tropical Plant and Soil Expert Lynn Griffith.

Lynn is an expert in the horticulture industry, as well as hands-on consultant. He has been a star class speaker for many facets of the industry, and his passion is making sure plants are growing and thriving.

Part 1: How Plants "Think"

• How plants are able to sense their surroundings and react to their environment
• The basic requirements for plant growth
• How plants get what they need from the soil and the atmosphere

Part 2: Conditions that Affect Growth

What's covered in this video: 

• How dry conditions inhibit plant growth
• The importance of light and carbon dioxide
• How plant hormones help during dry conditions
• The importance of a plant's moisture economy and transpiration

Part 3: Light, Heat and Moisture Conditions

What's covered in this video: 

• Plant stomates: what they do, and how they work
• How plants cope with heat and moisture loss
• How plants take in moisture
• The balance of salts in roots vs. the soil

Part 4: Plant Nutrient Absorption

What's covered in this video: 

• The functions of plant roots
• The role of nutrients like calcium, nitrogen, magnesium and boron
• Nutrient needs, and how deficiencies affect plants

Part 5: The Importance of Iron

What's covered in this video: 

• How to visually spot an iron deficiency
• Factors that affect iron uptake
• How well different leaf types take in foliar nutrients

Check out the Harrell's YouTube Channel for more videos on a variety of topics relevant to the turf, horticulture and specialty agriculture industries.