Species Soluble sugar content (mg/g)
May June August September
P. bretschnrideriRehd. (n=6) 37.4±3.7a 26.8±3.9a 43.0±3.3a 68.1±4.4b
P. pyrifolia Burm Nakai. (n=3) 23.4±4.4a 32.0±3.5a 52.6±12.2a 83.3±4.4a
P. communis Linn. (n=4) 39.1±9.5a 30.0±6.2a 50.5±12.4a 76.3±5.5ab
P. hybrid (n=16) 41.2±4.1a 26.9±2.0a 48.7±2.8a 80.8±1.8a
Values in column followed by the same letter are not significantly different at P=0.05
Table 2: Changes in soluble sugar content (Mean ± S.E. in mg/g DW) in pear leaves of four different interspecies over a cropping season.