| 0176071 |
mal secco |
Phoma tracheiphila |
Lemon tree (Citrus limon) infected by mal secco. |
| 0162003 |
pear decline phytoplasma |
Candidatus Phytoplasma pyri |
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. |
| 0162005 |
pear decline phytoplasma |
Candidatus Phytoplasma pyri |
Three year-old Conference pear tree grafted on Quince A affected by pear decline showing premature yellow-reddish leaf coloration. |
| 0176089 |
angular leaf spot of strawberry |
Xanthomonas fragariae |
Lower surface of a strawberry leaflet affected by Xanthomonas fragariae. Angular, water-soaked and reddish-brown spots are evident |
| 0162004 |
pear decline phytoplasma |
Candidatus Phytoplasma pyri |
Three year-old Conference pear tree grafted on Quince A affected by pear decline showing premature yellow-reddish leaf coloration. |
| 0162009 |
pear decline phytoplasma |
Candidatus Phytoplasma pyri |
Pear tree cv. Abate Fetel grafted on quince C affected by pear decline showing abnormal and early red leaf discoloration. |
| 0162002 |
pear decline phytoplasma |
Candidatus Phytoplasma pyri |
William pear tree grafted on Kirchensaller showing the 'quick decline' form of pear decline phytoplasma. |
| 0162010 |
pear decline phytoplasma |
Candidatus Phytoplasma pyri |
Pear tree cv. Abate Fetel grafted on quince BA29 affected by pear decline. |
| 0162007 |
pear decline phytoplasma |
Candidatus Phytoplasma pyri |
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). |
| 0162012 |
pear decline phytoplasma |
Candidatus Phytoplasma pyri |
Japanese pear (nashi) cv. Hosui showing enlarged vein with leaf curl induced by pear decline. |
| 0162011 |
pear decline phytoplasma |
Candidatus Phytoplasma pyri |
Pear tree cv. Abate Fetel grafted on quince BA29 affected by pear decline. In the background: an healthy tree. |
| 0162006 |
pear decline phytoplasma |
Candidatus Phytoplasma pyri |
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). |
| 5383027 |
oak anthracnose |
Apiognomonia errabunda |
|
| 5383038 |
Guignardia blotch of buckeyes and horsechestnuts |
Guignardia aesculi |
|
| 5383039 |
Guignardia blotch of buckeyes and horsechestnuts |
Guignardia aesculi |
|
| 0660093 |
mal secco |
Phoma tracheiphila |
Lemon tree severely affected by mal secco (Deuterophoma tracheiphila) |
| 0660026 |
angular leaf spot of strawberry |
Xanthomonas fragariae |
Close-up of Xanthomonas fragariae lesions on strawberry leaf |
| 0660025 |
angular leaf spot of strawberry |
Xanthomonas fragariae |
Strawberry leaf severely affected by Xanthomonas fragariae. Note its ragged appearance and the coalescence of the spots along the main veins. |
| 0656044 |
mal secco |
Phoma tracheiphila |
Wood discoloration in a lemon tree (Citrus limon) infected by mal secco (Deuterophoma tracheiphila). |
| 0176090 |
angular leaf spot of strawberry |
Xanthomonas fragariae |
|
| 0162008 |
pear decline phytoplasma |
Candidatus Phytoplasma pyri |
Healthy pear tree cv. Abate Fetel. for comparison |