Figures & data
FIGURE 1 Changes in fruit and flesh weight and moisture percentage of ‘Lonet-Mesaed’ date palm during development and ripening. Data are the means of the 2009 and 2010 seasons. LSD at 5% for time effect is 0.061, 0.045, and 0.773 for fruit and flesh weight and moisture percentage, respectively.
FIGURE 2 Changes in fruit and flesh weight and moisture percentage of ‘Helali’ date palm during development and ripening. Data are the means of the 2009 and 2010 seasons. LSD at 5% for time effect is 0.047, 0.046, and 1.01 for fruit and flesh weight and moisture percentage, respectively.
FIGURE 3 Changes in total and reducing sugars and sucrose concentration and sucrose/reducing sugars ratio of ‘Lonet-Mesaed’ date palm fruit during development and ripening. Data are the means of the 2009 and 2010 seasons. LSD at 5% for time effect is 0.126, 0.056, 0.137, and 0.019 for total and reducing sugars and sucrose concentration and sucrose/reducing sugars ratio, respectively.
FIGURE 4 Changes in total and reducing sugars and sucrose concentration and sucrose/reducing sugars ratio of ‘Helali’ date palm fruit during development and ripening. Data are the means of the 2009 and 2010 seasons. LSD at 5% for time effect is 0.066, 0.170, 0.165, and 0.026 for total and reducing sugars and sucrose concentration and sucrose/reducing sugars ratio, respectively.
FIGURE 5 Changes in MSI % and total proteins concentration of ‘Lonet-Mesaed’ date palm fruit during development and ripening. Data are the means of the 2009 and 2010 seasons. LSD at 5% for time effect is 2.73 and 0.096 for MSI % and total proteins concentration, respectively.
FIGURE 6 Changes in MSI % and total proteins concentration of ‘Helali’ date palm fruit during development and ripening. Data are the mean of 2009 and 2010 seasons. LSD at 5% for time effect is 2.97 and 0.115 for MSI % and total proteins concentration, respectively.
FIGURE 7 Changes in polygalacturonase, cellulase, xylanase, and α-amylase activities of ‘Lonet-Mesaed’ date palm fruit during development and ripening during the 2010 season. LSD at 5% for time effect is 0.147, 0.052, 0.115, and 0.058 for polygalacturonase, cellulase, xylanase, and α-amylase activities, respectively.
TABLE 1 Enzyme Activities in Apical and Basal (Stem) End Tissues of ‘Lonet-Mesaed’ Date Palm Fruit During the 2010 Season
FIGURE 8 Changes in polygalacturonase, cellulase, xylanase, and α-amylase activities of ‘Helali’ date palm fruit during development and ripening during the 2010 season. LSD at 5% for time effect is 0.327, 0.017, 1.25, and 0.042 for polygalacturonase, cellulase, xylanase, and α-amylase activities, respectively.
