| Image |
Descriptor |
Description |
Photographer |
| 0162008 |
|
Healthy pear tree cv. Abate Fetel. for comparison |
L. Giunchedi |
| 0162009 |
Symptoms |
Pear tree cv. Abate Fetel grafted on quince C affected by pear decline showing abnormal and early red leaf discoloration. |
L. Giunchedi |
| 0162010 |
Symptoms |
Pear tree cv. Abate Fetel grafted on quince BA29 affected by pear decline. |
L. Giunchedi |
| 0162011 |
Symptoms |
Pear tree cv. Abate Fetel grafted on quince BA29 affected by pear decline. In the background: an healthy tree. |
L. Giunchedi |
| 0162012 |
Symptoms |
Japanese pear (nashi) cv. Hosui showing enlarged vein with leaf curl induced by pear decline. |
L. Giunchedi |
| 0454068 |
Symptoms |
Pear tree showing severe symptoms of decline due to pear decline phytoplasma. |
Biologische Bundesanstalt für Land- und Forstwirtschaft Archive |
| 0162002 |
Symptoms |
William pear tree grafted on Kirchensaller showing the 'quick decline' form of pear decline phytoplasma. |
L. Giunchedi |
| 0162003 |
Symptoms |
Nursery of 1 year-old pear trees (cv. Butirra Precoce Morettini). In the center: pear decline infected trees showing reddening of the leaves; healthy trees on left and right. |
L. Giunchedi |
| 0162004 |
Symptoms |
Three year-old Conference pear tree grafted on Quince A affected by pear decline showing premature yellow-reddish leaf coloration. |
L. Giunchedi |
| 0162005 |
Symptoms |
Three year-old Conference pear tree grafted on Quince A affected by pear decline showing premature yellow-reddish leaf coloration. |
L. Giunchedi |
| 0162006 |
Symptoms |
Pear tree cv. Abate Fetel grafted on quince BA29 affected by pear decline showing little terminal growth with sparse light green and slightly rolled leaves (spring symptoms). |
L. Giunchedi |
| 0162007 |
Symptoms |
Pear tree cv. Abate Fetel grafted on quince BA29 affected by pear decline showing little terminal growth with sparse ligth green and slightly rolled leaves (spring symptoms). |
L. Giunchedi |
