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Residues of ziram in pears

Table 8. Residues of ziram (as CS2) in pears from foliar application of ziram in supervised trials in Belgium, France, Italy, The Netherlands, Spain and USA. Underlined residues are from treatments according to GAP and are valid data for MRL estimation.

Country, year (variety)

Application

PHI, days

Ziram residues as CS2 mg/kg

Ref.

Form

kg ai/ha

kg ai/hl

No.

Belgium, 1966 (Conference)

 

WP

 

7x3.6

7x0.18

11

0

0.601

66/09

 

+4x2.7

+4x0.15


2

0.45




7

0.80




14

0.60




21

<0.2

Belgium, 1994 (Conference)

WG

 

2.3

0.23

4

0

3.8 c 0.13

UCB B 94-1 93101-RU-010-8




15

0.66 c 0.09




20

0.54 c 0.14

France, 1992 (Conference)

WG

 

2.4

0.20

14

0

1.3

2-37




15

0.78




32

0.26

France, 1992 (Conference)

WG

 

4.8

0.40

14

0

2.3

2-37

 




15

0.78




32

0.27

France, 1993 (Williams)

 

WG

 

2.92

0.54

6

0

4.9

UCB B 93-12 93101-RU-010-7

 




6

4.3




13

3.6




20

2.4




27

3.8




34

1.5

1 Residues in this trial were measured as ziram, by a polarographic method. Residue data in the table are calculated and expressed as CS2.

2 Nominal application rate 2.4 kg ai/ha, measured 2.9 ± 0.2 kg ai/ha.

Country, year (variety)

Application

PHI, days

Ziram residues as CS2 mg/kg

Ref.

Form

kg ai/ha

kg ai/hl

No.

France, 1994 (Guyot)

 

WG

 

2.3

0.23

4

0

1.8 3.4 2.5

94021/02-FPBI

 




7

2.7 1.0 1.2 c 0.2




14

0.94 0.65 1.5




21

0.80 1.0 1.6




28

0.50 1.1 0.40

Italy, 1993 (William)

 

WG

 

2.8

0.16

4

7

1,8

304727 RA-2095/93

 



5

0

3.3




10

0.64




21

0.47




28

0.33




35

0.23

Netherlands, 1994 (Conference)

WG

2.4

0.23

4

0

1.6 c 0.15

UCB B 94-2 93101-RU-010-9




14

0.58 c 0.07

Spain, 1994 (Ercolini)

 

WG

 

2.3

0.23

4

0

1.3 1.6 3.3

94021/01-FPBI

 




7

1.1 1.6 1.9




14

1.1 0.85 1.1




21

1.0 0.50 0.85




28

0.80 1.4 0.50

USA (CA), 1988 (Bartlett)

WG

6.8

1.8

4 dt

5

1.8 1.1 0.86 1.1

90A-88

 




14

0.53 0.67 0.49 0.64





c 0.12 c 0.14

USA (NY), 1988 (Bartlett)

WG

6.8

1.8

7

14

0.42 0.84 0.94 0.62

89B-88




21

0.21 0.59 0.04 0.29

USA (WA), 1988 (Red D'Anjou)

WG

6.8

1.45

4

5

2.0

90C-88




14

1.2

dt: other dithiocarbamates also used during the growing period.
c: control sample.
a: application by aircraft.

Table 9. Residues of ziram (as CS2) in apricots from foliar applications of ziram in supervised trials in the USA.

State, year (variety)

Application

PHI, days

Ziram residues as CS2, mg/kg

Ref.

Form

kg ai/ha

kg ai/hl

No.

CA, 1988 (Modesto)

 

WG

 

5.1

1.2

5

30

0.97 1.4 1.3 1.5

84D-88

 




45

1.0 1.4 1.6 0.90




60

0.89 0.75 0.78 0.90

CA, 1990 (Royal Blenheim)

WG

 

6.8

1.45

5

30

2.8 4.8

90101

 




45

3.0 1.2




60

2.4 1.0

CA, 1990 (Royal Blenheim)

 

WG

 

6.8

7.3

5 a

30

5.3 0.88 0.80 0.55

90101

 




45

1.9 0.46 0.37 0.32




60

1.4 0.34 0.37 0.33

WA, 1990 (Tilton)

WG

6.8

1.45

5

30

3.7 3.6 3.4

90102

 




45

2.8 2.4 2.4




60

1.5 1.5 1.1

a: application by aircraft.


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