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Table 1 Short and long term effects of SA on symptoms alleviation in potato plants infected by phytoplasma at 90 days after transplanting (DAT)
Sprayed plants with
SA [mM]
Plant height
(cm)
6th internode
length (cm)
6th internode
diameter (cm)
Tubers quantity
per plant
Tubers
weigh (g)
Weigh-number of
tubers relation
Tubers browning on
the inside (%)
0-
84.294
+
0.97*
2.566
+
0.04*
0.181
+
0.006*
3.1
+
0.08*
6.29 ? 0.06*
1.52
+
0.02*
0.000
+
0.00*
0+
63.187
+
0.67
1.803
+
0.05
0.231
+
0.001
3.8
+
0.15
2.97 ? 0.07
0.71
+
0.05
16.90
+
0.00
0.1
66.483
+
0.49
1.940
+
0.02*
0.236
+
0.002
2.6
+
0.10*
5.97 ? 0.06*
1.34
+
0.03*
11.93
+
0.10*
0.01
74.886
+
0.84*
2.088
+
0.02*
0.223
+
0.003*
3.7
+
0.09
3.48 ? 0.10*
0.96
+
0.03
14.52
+
0.27*
0.001
73.488
+
0.66*
2.500
+
0.05*
0.231
+
0.003
3.2
+
0.08*
3.74 ? 0.02*
1.17
+
0.03*
10.32
+
0.32*
In vitro treated with
SA [mM]
0-
80.19 ± 0.48*
3.20 ± 0.03*
0.25 ± 0.006*
5.5 ± 0.10
5.2 ± 0.11*
0.97 ± 0.01*
3.254 ± 0.27*
0+
74.41 ± 0.51
2.90 ± 0.02
0.295 ± 0.001
5.6 ± 0.06
3.3 ± 0.06
0.32 ± 0.00
17.533 ± 0.18
0.1
69.87 ± 0.34
2.86 ± 0.03*
0.219 ± 0.002*
7.2 ± 0.09*
3.7 ± 0.20
0.51 ± 0.02*
11.089 ± 0.49*
0.01
80.60 ± 0.53*
3.34 ± 0.02*
0.219 ± 0.003*
6.4 ± 0.05*
3.4 ± 0.04
0.70 ± 0.03
10.91 ± 0.04*
0.001
75.10 ± 0.61
3.56 ± 0.03*
0.23 ± 0.003*
5.1 ± 0.07*
4.5 ± 0.27*
0.93 ± 0.05*
10.88 ± 0.32*
Controls were phytoplasma-free (0-) and phytoplasma-infected plants (0+)
*Significantly different 0+
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