Parameters Symptomatic for Boron Toxicity in Leaves of Tomato Plants
Table 1
A factorial ANOVA analysing the independent effect of the type of cultivar (CV) and boron treatment (B) used, as well as the sampling day (T) on the parameters analysed in this work.
Dependent variable
Independent variable
CV
B
T
Biomass
23.07
***1
3.02
ns
82.70
***
Foliar area
13.99
***
14.86
***
27.81
***
Total B
4.47
*
287.24
***
61.87
***
0.08
ns
49.63
***
6.78
***
H2O2
9.09
**
56.90
***
18.17
***
MDA
37.54
***
24.70
***
52.38
***
Proline
0.95
ns
15.79
***
14.52
***
Chlorophyll a
1.27
ns
3.99
*
1.68
ns
Chlorophyll b
0.02
ns
16.49
***
7.89
***
Chlorophyll a + b
0.02
ns
12.32
***
4.77
**
Carotenoids
0.48
ns
8.43
***
6.41
***
Anthocyanins
0.08
ns
68.71
***
31.27
***
Phenols
15.56
***
930.13
***
24.50
***
Flavonoids
33.88
***
12.80
***
51.39
***
GPX
85.29
***
99.86
***
30.45
***
PPO
1.84
ns
29.74
***
25.51
***
The significance levels were represented as: *(), **(), ***() and ns (not significant, ).