| Image |
Descriptor |
Description |
Photographer |
| 0162062 |
Damage |
Damage to onion plants. |
Central Science Laboratory, Harpenden Archive |
| 0162063 |
Damage |
Damage to tulip flower. |
Central Science Laboratory, Harpenden Archive |
| 0162064 |
Damage |
|
Dr. Augustin |
| 0162065 |
Damage |
|
Dr. Augustin |
| 0162066 |
Damage |
|
Dr. Augustin |
| 0162067 |
Damage |
Damage in a lucerne field. |
Dr. Augustin |
| 0162068 |
Damage |
|
Dr. Augustin |
| 1194023 |
Damage |
|
DAFF Archive |
| 0162059 |
Damage |
Patches in lucerne field. |
Central Science Laboratory, Harpenden Archive |
| 0162060 |
Damage |
Damage to Narcissus bulb. |
Central Science Laboratory, Harpenden Archive |
| 5356819 |
Damage |
White "flagging" of the plant at top center shows typical sign of damage to plants in an alfalfa field caused by the stem nematode, Ditylenchus dipsaci. |
William M. Brown Jr. |
| 5356953 |
Damage |
Damage to an alfalfa field caused by the stem and bulb nematode, Ditylenchus dipsaci. |
William M. Brown Jr. |
| 5357227 |
Damage |
Alfalfa plants showing damage due to infestation with the stem and bulb nematode, Ditylenchus dipsaci. |
Howard F. Schwartz |
| 5357228 |
Damage |
Alfalfa plant showing damage due to infestation with the stem and bulb nematode, Ditylenchus dipsaci. |
Howard F. Schwartz |
| 0162061 |
Infestation |
Nematodes within Narcissus bulb. |
Central Science Laboratory, Harpenden Archive |
| 5357099 |
Inspection |
Conducting a survey for damage to alfalfa caused by the stem and bulb nematode, Ditylenchus dipsaci. |
William M. Brown Jr. |
| 5361507 |
Research |
Onion transplants showing stem and bulb damage caused by the stem and bulb nematode, Ditylenchus dipsaci. |
Howard F. Schwartz |
| 5337001 |
Symptoms |
|
Robert Wick |
