Table 5 Transfer factors in system soil-grapevine-wine (mg/kg and mg/L); STDV= standard deviation; RSD%= relative standard deviation

TF _cs  = C _canes /C _soil c

Cultivar

Cu

Zn

Pb

Cd

Ni

Fetească albă

0.079

0.226

0. 1 60

0.400

0.641

Fetească regală

0.125

0.182

0.093

0.325

0.726

Riesling italian

0.129

0.237

0.173

0.250

0.568

AVERAGE

0.111

0.215

0.142

0.325

0.645

Ni > Cd > Zn > Pb > Cu

STDEV

0.027

0.029

0.043

0.075

0.079

RSD%

24.724

13.625

30.340

23.077

12.271

Pb > Cu > Cd > Zn > Ni

TF_Ic = C_leaves/C_canes

Cultivar

Cu

Zn

Pb

Cd

Ni

Fetească albă

1.201

1.592

2.162

3.625

1.032

Fetească regală

0.938

2.237

2.364

6.077

0.831

Riesling italian

0.660

1.561

1.907

9.300

1.043

AVERAGE

0.933

1.797

2.144

6.334

0.968

Cd > Pb > Zn > Ni > Cu

STDEV

0.270

0.382

0.229

2.846

0.119

RSD%

28.951

21.254

10.685

44.936

12.314

Cd > Cu > Zn > Ni > Pb

TF_mc = C_must/C_canes

Cultivar

Cu

Zn

Pb

Cd

Ni

Fetească albă

0.237

0.527

0.101

0.000

0.017

Fetească regală

0.141

0.415

0.242

0.000

0.018

Riesling italian

0.161

0.370

0.041

0.000

0.022

AVERAGE

0.180

0.438

0.128

0.000

0.019

Zn > Cu > Pb > Ni

STDEV

0.051

0.081

0.104

0.000

0.002

RSD%

28.153

18.471

80.934

12.837

Pb > Cu > Zn > Ni

TF_wm = C_wine/C_must

Cultivar

Cu

Zn

Pb

Cd

Ni

Fetească albă

0.025

0.055

0.522

0.000

0.235

Fetească regală

0.036

0.114

0.469

0.000

0.100

Riesling italian

0.01 5

0.065

0.000

0.000

0.316

AVERAGE

0.025

0.078

0.330

0.000

0.217

Pb > Ni > Zn > Cu

STDEV

0.01 1

0.031

0.287

0.000

0.109

RSD%

43.186

39.888

86.974

50.246

Pb > Ni > Cu > Zn