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Kiwifruit

Kiwifruit (Table 17). Four residue trials were carried out in New Zealand in 1986/87. The rates of application were 0.094, 0.19 and 0.25 kg ai/ha. Residues determined in whole fruit 16 and 99 days after the final application were 0.23-3.6 mg/kg and 0.28 mg/kg respectively. No GAP was available to evaluate the results.

Table 17. Residues of teflubenzuron in kiwifruit from supervised trials in New Zealand, 1986/7. Whole fruit analysed.

Application

PHI, days

Residues, mg/kg

Report No.

kg ai/hl

kg ai/ha

No.

0.008

0.19

7

16

1.3

CU 88554A

0.010

0.25

7

16

3.6

CU 88554B

0.010

0.094

7

16

0.23

CU 88554C

0.010

0.25

3

99

0.28

CU 88554D

Head cabbages (Table 18). Registered uses exist for red, white and Savoy cabbage in Germany (1 x 0.06 kg ai/ha, 14-day PHI), for red and white cabbage in The Netherlands (2-4 x 0.06 kg ai/ha, 14-day PHI), and for head cabbage in Indonesia (0.025 kg ai/ha, no further information), Italy (1 x 0.03 kg ai/ha, 7-day PHI), Jordan (2 x 0.0075 kg ai/hl, 14-day PHI), Poland (1 x 0.03 kg ai/ha, 14-day PHI) and Switzerland (1 x 0.045 kg ai/ha, 14-day PHI).

Ten trials on Savoy cabbage were conducted in Germany in 1982-1985. After applying 3 x 0.06 kg ai/ha, all residues of teflubenzuron were <0.05 mg/kg at the recommended PHI of 14 days. Residues in 2 UK trials on Savoy cabbage treated once with 0.06 kg ai/ha were 0.05 and 0.17 mg/kg at day 14.

Four US trials on white and red cabbage were available, each with analyses of duplicate samples with and without wrapper leaves. Residues after applying 6 x 0.045 kg ai/ha were 0.05 to 0.36 mg/kg in samples with wrapper leaves and <0.05 to 0.11 mg/kg without wrapper leaves.

In 2 trials in Brazil (1 x 0.015 kg ai/ha, 1 x 0.03 kg ai/ha) residues were <0.01 mg/kg 3 and 7 days after treatment.

One trial was carried out in Malaysia and one in the Philippines. The residues were 0.05 mg/kg 18 and 7 days, respectively, after applying 6 or 9 x 0.045 kg ai/ha.

Table 18. Residues of teflubenzuron in head cabbage from supervised trials.

Country, year

Application

PHI, days

Sample

Residues, mg/kg

Report No.

kg ai/hl

kg ai/ha

No.

Head cabbage

Brazil,

0.004

0.015

1

3

head

<0.01

SHGR.90.015

1989




7


<0.01


Brazil,

0.008

0.030

1

3

head

<0.01

SHGR.90.015

1989




7


<0.01


Malaysia,

0.007

0.045

6

18

head

<0.05

MYR84I01101

1984








USA, 1987

0.014

0.045

6

0

head w/o

0.18, 0.37

HAS A025.001





0

head with

0.09, 0.42






3

head w/o

0.18, 0.08






3

head with

0.67, 0.37






7

head w/o

<0.05, 0.06






7

head with

0.36, 0.15






14

head w/o

0.11, 0.10






14

head with

0.36, 0.26


USA, 1987

0.006

0.045

6

0

head w/o

<0.05, <0.05

HAS A025.001





0

head with

0.26, 0.45






3

head w/o

<0.05, <0.05






3

head with

0.33, 0.31






7

head w/o

<0.05, <0.05






7

head with

0.17, 0.21






14

head w/o

<0.05, <0.05






14

head with

0.18, 0.18


USA, 1987

0.017

0.045

6

0

head w/o

<0.05, <0.05

HAS A025. 01





0

head with

0.15, 0.14






3

head w/o

<0.05, <0.05






3

head with

<0.05, 0.20






7

head w/o

<0.05, <0.05






7

head with

0.14, 0.11






14

head w/o

<0.05, <0.05






14

head with

0.09, 0.07


USA, 1987

0.024

0.045

6

0

head w/o

<0.05, <0.05

HAS A025. 01





0

head with

0.10, 0.14






3

head w/o

<0.05, 0.05






3

head with

0.10, 0.10






7

head w/o

<0.05, <0.05






7

head with

0.15, <0.05






14

head w/o

<0.05, <0.05






14

head with

<0.05, <0.05


Savoy cabbage

Germany,

0.012

0.06

3

0

head

0.75

C821172

1982




14 28


<0.05








<0.05






35


<0.05






42


<0.05


Germany,

0.010

0.06

3

0

head

<0.05

C82110101

1982




14 28


<0.05








<0.05






35


<0.05






42


<0.05


Germany,

0.015

0.06

3

0

head

0.41

C832972

1983




14 28


<0.05








<0.05






35


<0.05






42


<0,05


Germany,

0.010

0.06

3

0

head

0,99

C83290101'

1983




17


<0.05






31


<0.05






37


<0.05






44


<0.05


Germany,

0.015

0.06

3

0

head

0.25

C83290601

1983




14


<0.05






21


<0.05






28


<0.05






34


<0.05






40


<0.05


Germany,

0.010

0.06

3

0

head

0.98

C840872

1984




7


<0.05






14


<0.05






21


<0.05






28


<0.05


Germany,

0.008

0.06

3

0

head

<0.05

C84080101

1984




7


<0.05






15


<0.05






20


<0.05






27


<0.05


Germany,

0.008

0.06

3

0

head

0.10

C851501

1985




3


0.05






7


<0.05






10


<0.05






14


<0.05


Germany, 1985

0.010

0.06

3

0

head

<0.05

C851505





3


<0.05






7


<0.05






10


<0.05






14


<0.05


Germany, 1985

0.010-0.012

0.06

3

0

head

0.31

C851572





3


0.22






7


<0,05






14 21


<0.05








<0.05


UK, 1985

0.02

0.06

1

13

head

0.05

GBR85I00101

UK, 1985

0.02

0.06

1

13

head

0.17

GBR85I00102

White cabbage

Philippines,

0.005

0.045

9

0

head

0.12

PHI85I00201

1985




3


<0,05






5


<0.05






7


<0.05


w/o: without wrapper leaves
with: with wrapper leaves

Double-underlined residues were from treatments according to German GAP, but 3 treatments instead 1 were carried out


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