Table grape rootstocks in South Africa

KEY

(1) Block removed in 2002 (2) Trial terminated in 2010 (3) Trial terminated in 2001

High uptake Low uptake

Nutrient status trends (Petiole nutrients content)

P

K

Ca

Mg

Na

Mn

Fe

Cu

Zn

B

- - - -

- - - -

- - - -

- - - -

- - - -

- - - -

- - - -

- - - -

- - - -

- - - -

-

-

-

-

-

-

-

-

-

-

Dog Ridge

Freedom

US 8-7

SO4

Ru 140

Ramsey

R 110

Ru 140 P 1103

Ramsey

R 99

Dog Ridge Freedom

R 99

Dog Ridge

Dog Ridge

R 99

P 1103

R 110

R 99

P 1103

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

P 1103

P 1045

SO4

Dog Ridge

Jacquez

P 1103

Dog Ridge

Freedom Harmony

Jacquez

R 99

Jacquez

Ru 140

Freedom

Harmony Freedom

R 110

SO4

Ramsey

Freedom

SO4

P 1103

P 1103 US 2-1

US 2-1

US 2-1

US 2-1 P 1103

143 B Mgt

143 B Mgt

SO4

R 110

SO4

Ramsey

Freedom

P 1103

Dog Ridge 143 B Mgt

143 B Mgt Dog Ridge

Dog Ridge 143 B Mgt

P 1103

US 2-1

Dog Ridge 143 B Mgt

R 99

143 B Mgt

Ramsey

R 99

SO4

R 99

R 110

143 B Mgt

Ru 140

SO4

SO4

Ramsey

SO4

P 1103

US 2-1

SO4

Ramsey

R 110

SO4

US 2-1

143 B Mgt SO4

143 B Mgt

US 8-7

Ru 140

R 99

Ru 140 US 2-1 US 8-7

Ru 140

Ramsey

Ramsey

SO4

R 99

SO4

Ramsey

R 110

143 B Mgt

SO4

P 1103

P 1103

US 2-1

R 99

143 B Mgt

US 2-1

143 B Mgt

Ru 140 US 8-7 US 2-1 143 B Mgt

Table Grape Rootstocks in South Africa 55