Treatment

Leaf N

(% dwt)

Yield

(kg/tree)

Fruit weight

(g)

2015

2016

2015

2016

2015

2016

Rootstock

Nic 29

2.30 a^x

2.33 a

46.1 a

47.3 a

238.4 a

246.6 a

Bud 9

2.19 b

2.26 b

25.3 b

45.8 a

229.1b

230.5 b

Tree Training

Central Leader

2.29 a

2.27 a

38.8 a

43.4 b

235.7 a

242.7 a

Tall Spindle

2.20 b

2.32 a

31.3 a

49.1 a

231.4 a

234.0 a

Girdling^z

NOGD

2.30 a

2.30 b

36.2 a

41.6 b

213.5 b

223.3 b

BG15

2.16 b

2.41 a

36.5 a

51.9 a

243.8 a

241.6 ab

SG15

2.28 a

2.32 b

32.1 a

46.6 ab

240.0 a

236.0 ab

BG1516

.

2.17 c

.

45.0 ab

.

242.0 ab

SG1516

.

2.27 b

.

50.3 a

.

249.3 a

Significance^y

Rootstock

**

**

**

NS

**

**

Tree training

**

NS

NS

*

NS

NS

Rootstock*tree training

NS

NS

NS

*

NS

NS

Rootstock*tree training* girdling

NS

NS

NS

NS

NS

NS