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Module 2Healthy Plant Appearance
When doing a field diagnosis, know how a healthy plant should appear.
Consider the many parameters that can affect a healthy plant’s appearance.
Healthy soybean plant
Healthy Plant Appearance
Know what a normal plant should look like for the crop you are surveying at each growth stage:
Seedling
Leaf
Reproductive
Healthy Plant AppearanceKnow what a normal plant should look like for the crop you are surveying at each growth stage:
Seedling
Leaf
Reproductive
Healthy wheat leaf stage
Healthy Plant AppearanceKnow what a normal plant should look like for the crop you are surveying at each growth stage:
Seedling
Leaf
ReproductiveHealthy wheat reproductive stage
Healthy Plant Appearance
Plant appearance can be modified by:
VarietyEnvironmentFertilityInsectsDiseasesCropping
practices
Healthy Plant Appearance
Varieties of crops may have different canopy structure, growth habits or floral structures. Variety can modify plant morphology.
Two varieties of barley
Healthy Plant Appearance
Plant appearance can be modified by:
VarietyEnvironmentFertility InsectsDiseasesCropping
practices
Larry Heatherly examines soybean plants
Healthy Plant Appearance
Plant appearance can be modified by:
VarietyEnvironmentFertilityInsectsDiseasesCropping
practices
Sugar beet breeding lines USDA photo by Scott Bauer
Module 2Healthy Plant Appearance
Plant appearance can be modified by:
VarietyEnvironmentFertility InsectsDiseasesCropping
practices Squash bug
Healthy Plant Appearance
Plant appearance can be modified by:
VarietyEnvironmentFertility InsectsDiseasesCropping
practices
Healthy Plant Appearance
Plant appearance can be modified by:
VarietyEnvironmentFertilityInsectsDiseasesCropping
practicesLeonard Panella Photo by Scott Bauer
Healthy Plant Appearance
Plant color can be modified by:
CropVariety
Potato flower
Healthy Plant Appearance
Plant color can be modified by:
CropVariety
Potato flower of another variety