Heuchera Creme Brulee and Mahogany Medicinal Value under Water Stress and Oligosaccharide (COS) Treatment
Table 2
Effect of irrigation intervals and oligosaccharides treatment on total carbohydrate, K, Ca, and proline content in the leaves oftwo Heuchera cultivars in two successive seasons. Values are means (± sd).
Water interval
Oligosaccharides treatment (ppm)
Total carbohydrates (% DW)
K (mg g−1 DW)
Ca (mg g−1 DW)
Proline (mg g−1 DW)
2017
2018
2017
2018
2017
2018
2017
2018
2DWI
0
Creme Brulee
13.45 ± 0.1b
13.37 ± 0.1b
19.7 ± 0.1d
19.5 ± 0.5d
3.76 ± 0.05b
3.63 ± 0.04b
1.35 ± 0.05c
1.32 ± 0.01c
50
14.33 ± 0.1a
14.22 ± 0.1ab
24.8 ± 0.1b
23.9 ± 0.1b
4.12 ± 0.0a
4.11 ± 0.2a
1.44 ± 0.03b
1.41 ± 0.00cb
200
14.53 ± 0.2a
14.67 ± 0.1a
25.8 ± 0.2b
24.9 ± 0.1b
4.15 ± 0.09a
4.09 ± 0.03a
1.47 ± 0.01b
1.44 ± 0.03b
500
13.53 ± 0.1b
13.49 ± 0.1b
19.9 ± 0.0d
19.4 ± 0.1d
3.85 ± 0.01b
3.79 ± 0.05b
1.37 ± 0.01c
1.35 ± 0.02c
6DWI
0
12.19 ± 0.2c
12.05 ± 0.1c
21.5 ± 0.1b
21.3 ± 0.3c
3.63 ± 0.06b
3.65 ± 0.06b
1.48 ± 0.02b
1.46 ± 0.01ab
50
12.89 ± 0.1cb
12.51 ± 0.1c
27.3 ± 0.3a
26.8 ± 0.1a
4.05 ± 0.03a
3.97 ± 0.01a
1.56 ± 0.03a
1.53 ± 0.03a
200
12.87 ± 0.1cb
12.98 ± 0.1bc
27.9 ± 0.1a
27.7 ± 0.1a
4.19 ± 0.07a
4.11 ± 0.04a
1.58 ± 0.02a
1.55 ± 0.02a
500
12.32 ± 0.2c
12.31 ± 0.1c
22.2 ± 0.2c
21.8 ± 0.2c
3.78 ± 0.06b
3.70 ± 0.05b
1.49 ± 0.03ab
1.47 ± 0.01ab
2DWI
0
Mahogany
15.32 ± 0.1
15.05 ± 0.1b
21.3 ± 0.1c
21.7 ± 0.3c
3.61 ± 0.04b
3.67 ± 0.08b
1.42 ± 0.02c
1.38 ± 0.01c
50
15.99 ± 0.1ab
15.91 ± 0.0a
26.4 ± 0.1b
26.1 ± 0.1b
3.97 ± 0.03a
3.94 ± 0.05a
1.55 ± 0.04b
1.46 ± 0.01b
200
16.30 ± 0.1a
16.13 ± 0.3a
26.8 ± 0.1b
26.6 ± 0.3b
4.06 ± 0.06a
4.01 ± 0.06a
1.58 ± 0.08b
1.49 ± 0.04b
500
15.51 ± 0.1b
15.27 ± 0.3b
23.3 ± 0.3d
22.6 ± 0.1c
3.73 ± 0.04b
3.75 ± 0.03b
1.47 ± 0.01c
1.41 ± 0.01c
6DWI
0
14.41 ± 0.2c
14.12 ± 0.3c
25.5 ± 0.1b
24.7 ± 0.1b
3.58 ± 0.02b
3.68 ± 0.02b
1.56 ± 0.03b
1.51 ± 0.04b
50
15.45 ± 0.1b
15.13 ± 0.1b
29.9 ± 0.1a
28.9 ± 0.3a
3.93 ± 0.01a
3.95 ± 0.01a
1.70 ± 0.01a
1.69 ± 0.02a
200
15.55 ± 0.1b
15.25 ± 0.5b
30.3 ± 0.1a
29.7 ± 0.2a
3.93 ± 0.01a
3.96 ± 0.04a
1.74 ± 0.03a
1.71 ± 0.02a
500
14.37 ± 0.1c
14.24 ± 0.3c
26.4 ± 0.1a
25.8 ± 0.3b
3.63 ± 0.05b
3.67 ± 0.02b
1.59 ± 0.02b
1.54 ± 0.01b
Means followed by different letters within columns are significantly different, based on LSD test (P ≤ 0.05).