2008 Survey

Samples

Results

Year

Type of population

Location and (Province) of apple trees

Mean n˚ treatments/ year with dithianon***

Mean DE50* (mg/L)

MIC**

(mg/L)

12-02

2008

Wild-types

Bologna

0

0.053

n.d.****

158

Suviana lake (BO)

0

0.030

n.d.

62

Po river foodplain (MN)

0

0.034

n.d.

313

Well-controlled

Bagnacavallo (RA)

9

0.055

n.d.

222

Formignana (FE)

3

0.060

n.d.

402

Ferrara

6

0.065

n.d.

99

Cona (FE)

3

0.092

n.d.

98

Cona (FE)

3

0.095

n.d.

225

Fosso Ghiaia (RA)

6

0.105

n.d.

202

Pordenone (PN)

5

0.11

n.d.