4.7 Yield Variability based on Rootstock Variety
Fruits/plot based on rootstock variety were subj ected to SAS ANOVA PROC. The results
showed that yield from Cleopatra mandarin and Swingle citrumelo were grouped together
and were sufficiently higher than Carrizo citrange variety. The mean fruits/plot details for
the three different rootstock variety is shown in Figure 420.
Table 411. Fruits/plot for 48 plots groupe using means test.
Mean
Number
Tukey Grouping number of Citrus Rootstock
of plots
fruits/plot
A 1608.5 16 Cleopatra mandarin
A 1649.8 16 Swingle citrumelo
B 1036.5 16 Carrizo citrange
1800
1600
1400
3 1200

1000 

E 800 
600 

400 
200
0
Cleopatra mandarin Swingle citrumelo Carrizo citrange
Rootstock Variety
Figure 420. Yield variability based on rootstock variety.