|
Appearance |
Symptoms |
Possible Cause(s) |
| Skips in rows where plants fail to emerge |
No seed planted |
- Planter problem or malfunction
- Seed delivery system plugged or clogged
- Faulty or incorrect planter plates
- Empty planter box
- Uneven or irregular planting depth
|
| |
Kernels normal, not germinated |
- Seed not viable
- Seedbed too dry
- Seedbed temperature below 50 degrees F
- Fertilizer placed too close or in direct contact with seed
- Anhydrous or aqua ammonia injury
|
| |
Kernels swelled, not germinated |
- Seed not viable
- Soil too wet
- Seedbed temperature below 50 degrees F
|
| |
Rotted seed or seedlings |
- Seed not viable
- Cool, wet seedbed for prolonged period
- Fungal seed rots or seedling blights
|
| |
Sprouts twisted or leaves unfurled below soil surface |
- Crusted soil
- Soil compaction
- Cloddy soil allowing light to reach seedling too soon
- Herbicide injury such as:
- Insecticide injury
- Excessive amount
- Misplacement
- Anhydrous or aqua ammonia injury
- Deep seed placement
|
| Seed eaten, dug up or sprouts cut off |
Kernels hollowed out |
|
| |
Plants pulled up and kernel eaten |
- Crows, pheasants, blackbirds
|
| |
Unemerged seedlings and kernels dug up and eaten |
- Mice, ground squirrels, groundhogs, gophers, rats, skunks
|