Problem overview
Problem
Physical Damage & missing plants
Leaf color change and reduced size
Color changes with spots or surface growths
Leaf edge burning
Leaf rolling
Spindly plants
Poor growth and stunted plants
Leaf color change and reduced size
Color changes with spots or surface growths
Leaf edge burning
Leaf rolling
Spindly plants
Poor growth and stunted plants
Likely cause(s)
Insects
Mechanical damage,
Rodents, other pests
Nutrient
Disease (check for disease present)
Nutrient deficiency, inadequate water, disease
Insects or water stress
Too much nitrogen or plants growing in shade
Low pH and/or poor nutrition and weed competition
Low temperature
Insects and diseases
Inadequate water
Mechanical damage,
Rodents, other pests
Nutrient
Disease (check for disease present)
Nutrient deficiency, inadequate water, disease
Insects or water stress
Too much nitrogen or plants growing in shade
Low pH and/or poor nutrition and weed competition
Low temperature
Insects and diseases
Inadequate water
Possible action(s)
Resistant varieties
Train machine operators
Remove pest habitat
Add nutrient
Resistant varieties
Add nutrient, add water, resistant variety, change planting date
Adequate moisture, planting date
Avoid excessive nitrogen, and
plant in full sun.
Add lime and fertilizer according to soil test. Control weeds.
Plant later or use soil warming
methods such as black plastic.
Plant resistant varieties
Water to keep soil moist (but not flooded) around roots
Train machine operators
Remove pest habitat
Add nutrient
Resistant varieties
Add nutrient, add water, resistant variety, change planting date
Adequate moisture, planting date
Avoid excessive nitrogen, and
plant in full sun.
Add lime and fertilizer according to soil test. Control weeds.
Plant later or use soil warming
methods such as black plastic.
Plant resistant varieties
Water to keep soil moist (but not flooded) around roots