respectively). However, there is statistics difference in area and perimeter
dimensions in days 1, 2, 3 and 21, area and perimeter value vary from 10.55 to
20.77 and 13.03 to 17.8, respectively. Concerning to the sphericity index, it is
possible to establish that grain hydration is not uniform because it is moving away
from the particle roundness as the conditioning days pass by.
A similar behavior for area and perimeter was obtained for wheat grain of group
II (AR and HR), see Table 13.4. Regarding to sphericity index for AR variety no
significant difference was found neither in days 1, 2, and 3 nor between day 1 and
21, from which we can deduce that the endosperm hydration is quite similar in
each one of the grain sides, keeping in this way its original shape.
For wheat grain of group III (GP, JA, and SA), significant statistics difference in
grain area and perimeter were observed between days 1 and 2, see Table 13.5.
Table 13.3 Wheat grain morphometrics for group I
Conditioning days
RC
Area (mm
2
)
Perimeter (mm)
Sphericity index
1
10.55 ± 1.62c
13.03 ± 0.94c
0.82 ± 0.02a
2
14.03 ± 2.71b
14.70 ± 1.31b
0.79 ± 0.04ab
3
15.74 ± 2.55b
15.50 ± 1.25b
0.77 ± 0.05ab
21
20.77 ± 2.98a
17.80 ± 1.32a
0.76 ± 0.05b
Average ± standard deviation with media comparison by Tukey (\0.01), for same letters no
significant difference
Table 13.4 Wheat grain morphometrics for group II
Conditioning days
AR
Area (mm
2
)
Perimeter (mm)
Sphericity index
1
12.32 ± 0.93c
14.76 ± 0.93c
0.80 ± 0.021ab
2
18.24 ± 1.59b
17.18 ± 1.59ab
0.80 ± 0.05b
3
18.19 ± 1.42b
16.70 ± 1.42b
0.78 ± 0.04b
21
21.66 ± 1.19a
18.45 ± 1.19a
0.83 ± 0.04a
Average ± standard deviation with media comparison by Tukey (\0.01), for same letters no
significant difference
Table 13.5 Wheat grain morphometrics for group III
Conditioning days
SA
Area (mm
2
)
Perimeter (mm)
Sphericity index
1
15.50 ± 1.29c
0.85 ± 0.01a
0.83 ± 0.02ab
2
21.22 ± 3.05b
18.34 ± 1.35b
0.82 ± 0.01ab
3
21.91 ± 2.59b
18.65 ± 1.28b
0.81 ± 0.02b
21
27.16 ± 4.20a
20.80 ± 1.47a
0.80 ± 0.03b
Average ± standard deviation with media comparison by Tukey (\0.01), for same letters no
significant difference
13 Instrumentation and Control to Improve the Crop Yield
373
dimensions in days 1, 2, 3 and 21, area and perimeter value vary from 10.55 to
20.77 and 13.03 to 17.8, respectively. Concerning to the sphericity index, it is
possible to establish that grain hydration is not uniform because it is moving away
from the particle roundness as the conditioning days pass by.
A similar behavior for area and perimeter was obtained for wheat grain of group
II (AR and HR), see Table 13.4. Regarding to sphericity index for AR variety no
significant difference was found neither in days 1, 2, and 3 nor between day 1 and
21, from which we can deduce that the endosperm hydration is quite similar in
each one of the grain sides, keeping in this way its original shape.
For wheat grain of group III (GP, JA, and SA), significant statistics difference in
grain area and perimeter were observed between days 1 and 2, see Table 13.5.
Table 13.3 Wheat grain morphometrics for group I
Conditioning days
RC
Area (mm
2
)
Perimeter (mm)
Sphericity index
1
10.55 ± 1.62c
13.03 ± 0.94c
0.82 ± 0.02a
2
14.03 ± 2.71b
14.70 ± 1.31b
0.79 ± 0.04ab
3
15.74 ± 2.55b
15.50 ± 1.25b
0.77 ± 0.05ab
21
20.77 ± 2.98a
17.80 ± 1.32a
0.76 ± 0.05b
Average ± standard deviation with media comparison by Tukey (\0.01), for same letters no
significant difference
Table 13.4 Wheat grain morphometrics for group II
Conditioning days
AR
Area (mm
2
)
Perimeter (mm)
Sphericity index
1
12.32 ± 0.93c
14.76 ± 0.93c
0.80 ± 0.021ab
2
18.24 ± 1.59b
17.18 ± 1.59ab
0.80 ± 0.05b
3
18.19 ± 1.42b
16.70 ± 1.42b
0.78 ± 0.04b
21
21.66 ± 1.19a
18.45 ± 1.19a
0.83 ± 0.04a
Average ± standard deviation with media comparison by Tukey (\0.01), for same letters no
significant difference
Table 13.5 Wheat grain morphometrics for group III
Conditioning days
SA
Area (mm
2
)
Perimeter (mm)
Sphericity index
1
15.50 ± 1.29c
0.85 ± 0.01a
0.83 ± 0.02ab
2
21.22 ± 3.05b
18.34 ± 1.35b
0.82 ± 0.01ab
3
21.91 ± 2.59b
18.65 ± 1.28b
0.81 ± 0.02b
21
27.16 ± 4.20a
20.80 ± 1.47a
0.80 ± 0.03b
Average ± standard deviation with media comparison by Tukey (\0.01), for same letters no
significant difference
13 Instrumentation and Control to Improve the Crop Yield
373