Table 3. 1996 blossom, yield and tree growth measurements from the NC-140 'Royal Gala' semi-dwarfing rootstock trial planted in 1994 at the Horticultural Experiment Station, Simcoe, Ontario. Trees are trained to the slender spindle orchard system. Rootstocks are ranked in order of increasing vigour (tcsa).z




Rootstock


Number
of flower cluster/
tree


No.
of
fruit /tree


Total
yield /tree
(kg)

Cum.
Yield
'95-'96
(kg)

Avg. fruit
wt
(g)

Cum.
Yield
efficiency
(kg.cm-2)

Avg.
shoot
length
(cm)


1996
TCSA
(cm2)
TCSA
relative
to
M.26
EMLA
Incremental increase in
TCSA
'94-'95
(cm2)

Tree
height
1995
(cm)

Tree
spread
1995
(cm)


Height:
spread
ratio
M.26 EMLA258.19.31.252.01230.1934.011.51.005.22862211.33
V.2131.5-16.32.43+3.21410.2541.9+13.31.156.6+299246+1.23
G.30350.0+13.61.832.31280.1739.4+14.0+1.22+6.6+322+252+1.28
P.1288.113.31.821.91350.1240.7+16.5+1.43+8.1+336+264+1.28
G.117.7-1.20.02-0.1-1280.00-50.9+17.0+1.47+9.3+346+261+1.33
CG.1317.8-0.1-0.01-0.0-1000.00-53.0+17.6+1.53+9.9+349+255+1.38
Significancey***********ns************ ************
LSD(P=5%)80.98.21.171.3440.11 5.11.90.171.326220.08
z Parameters significantly greater (+) or significantly less (-) than M.26 EMLA using LSD (P=0.05)
y ns, *, **, ***, indicates not significant and significant difference at P=0.05, P=0.10, and P=0.01, respectively