Case study: almond constriction canker

​Case study: Almond constriction canker

By Giorgio Gusella

Multiple Choice

Commonly known as "shoot blight", is this...

• symptom

• sign

• abiotic alteration

Multiple Choice

The most frequent pathogen isolated in Sicily is

• Botryosphaeria dothidea

• Diaporthe rudis

• Diaporthe amygdali

• Phomopsis sp.

Multiple Choice

fungal canker diseases are known to be characterized by

• bacterial diseases

• complex etiology

• one pathogen-one disease interaction

Multiple Choice

What is a sign of the pathogen

• acervula on diseased tissue

• ascocarp produced on leaves

• pycnidia on diseased tissue

• pycnidia on healthy tissue

Multiple Choice

Select one of the symptoms of this disease

• leaf spot

• leaf necrosis

• internal discoloration

• pinky vascular lesions

Multiple Choice

Is this pathogen obligate?

• Yes

• No

Multiple Choice

Is this disease reported only in Italy?

• Yes

• No

Multiple Choice

Is the production affected?

• Yes

• No

Multiple Select

How this pathogen is spread

• By the water

• By the agricultural tools