Research Article

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 variableIndependent variable
CVBT

Biomass23.07***13.02ns82.70 ***
Foliar area13.99 *** 14.86 *** 27.81 ***
Total B4.47 * 287.24 *** 61.87 ***
O 2 0.08ns49.63 *** 6.78 ***
H2O29.09 ** 56.90 *** 18.17 ***
MDA37.54 *** 24.70 *** 52.38 ***
Proline0.95ns15.79 *** 14.52 ***
Chlorophyll a1.27ns3.99 * 1.68ns
Chlorophyll b0.02ns16.49 *** 7.89 ***
Chlorophyll a + b0.02ns12.32 *** 4.77 **
Carotenoids0.48ns8.43 *** 6.41 ***
Anthocyanins0.08ns68.71 *** 31.27 ***
Phenols15.56 *** 930.13 *** 24.50 ***
Flavonoids33.88 *** 12.80 *** 51.39 ***
GPX85.29 *** 99.86 *** 30.45 ***
PPO1.84ns29.74 *** 25.51 ***

The significance levels were represented as: *( 𝑃 < 0 . 0 5 ), **( 𝑃 < 0 . 0 1 ), ***( 𝑃 < 0 . 0 0 1 ) and ns (not significant, 𝑃 > 0 . 0 5 ).