Uneingeschränkter Zugang

Outcomes of foliar iodine application on growth, minerals and antioxidants in tomato plants under salt stress

José E. García Fuentes
José E. García Fuentes
, 
Biaani F. Herrera Castellanos
Biaani F. Herrera Castellanos
, 
Erika N. Rivas Martínez
Erika N. Rivas Martínez
, 
Willian A. Narváez Ortiz
Willian A. Narváez Ortiz
, 
Adalberto Benavides Mendoza
Adalberto Benavides Mendoza
 und 
Julia Medrano Macías
Julia Medrano Macías
   | 27. Feb. 2022
Folia Horticulturae's Cover Image
Über diesen Artikel
Vorheriger Artikel
Nächster Artikel
Zitieren
Article Category: Original Article
Online veröffentlicht: 27. Feb. 2022
Seitenbereich: 27 - 37
Eingereicht: 26. Nov. 2021
Akzeptiert: 24. Jan. 2022
DOI: https://doi.org/10.2478/fhort-2022-0003
Schlüsselwörter
© 2022 José E. García Fuentes et al., published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Figure 1

Effect of iodine application in vegetative biomass, in three samplings [(1) 41 dat, (2) 71 dat, (3) 125 dat]; the units are expressed in grams. Means with same letters do not show statistically significant differences, p ≤ 0.05, vertical bars represent standard deviations. KIO3, potassium iodate.
Effect of iodine application in vegetative biomass, in three samplings [(1) 41 dat, (2) 71 dat, (3) 125 dat]; the units are expressed in grams. Means with same letters do not show statistically significant differences, p ≤ 0.05, vertical bars represent standard deviations. KIO3, potassium iodate.

Figure 2

Effects of iodine application in total tomato yield expressed in kg F.W.; treatments control, salt control (NaCl) and KIO3. Means with same letters do not show statistically significant differences, p ≤ 0.05, vertical bars represent standard deviations. KIO3, potassium iodate.
Effects of iodine application in total tomato yield expressed in kg F.W.; treatments control, salt control (NaCl) and KIO3. Means with same letters do not show statistically significant differences, p ≤ 0.05, vertical bars represent standard deviations. KIO3, potassium iodate.

Figure 3

Iodine concentration in leaves and fruits of tomato, expressed in mg · kg−1 D.W. Means with same letters do not show statistically significant differences, p ≤ 0.05, vertical bars represent standard deviations. KIO3, potassium iodate.
Iodine concentration in leaves and fruits of tomato, expressed in mg · kg−1 D.W. Means with same letters do not show statistically significant differences, p ≤ 0.05, vertical bars represent standard deviations. KIO3, potassium iodate.

Effect of iodine on microelement content in tomato fruits.

Treatments Fe Zn Cu Mn
(mg · kg−1 D.W.)
NaCl 2.96 b 27.69 a 11.87 a 12.81 a
KIO3 + NaCl 1.83 b 24.35 a 10.12 a 10.89 a
Control 28.04 a 23.64 b 8.38 a 13.29 a

Effects of iodine on macroelement content in tomato leaves.

Treatments N P Ca K Mg Na
(g · kg−1 D.W.)
NaCl 19.10 b* 3.56 a 36.83 bc 21.03 a 16.03 a 46.88 a
KIO3 + NaCl 22.60 a 4.05 a 31.60 c 23.63 a 13.16 a 35.27 a
Control 17.23 b 2.94 a 44.52 a 29.66 a 19.91 a 7.14 b

Effect of iodine on microelement content in tomato leaves.

Treatments Fe Zn Cu Mn
(mg · kg−1 D.W.)
NaCl 192.34 a* 51.60 a 13.43 a 245.23 a
KIO3 + NaCl 145.80 a 43.90 a 17.12 a 241.68 a
Control 100.86 b 41.50 a 5.63 b 183.29 a

Effects of iodine on fruit number, plant fresh weight, height, number of foliole and stem diameter of tomato plants.

Treatment Fruit number Fresh weight (g) Height (cm)
Sampling 1 2 3 1 2 3
NaCl 21.6 c* 231.96 b 609.32 b 784.80 b 52.40 b 61.70 b 73.60 b
KIO3 + NaCl 34.2 b 245.96 b 683.16 b 760.22 b 51.10 b 61.80 b 70.80 b
Control 48.8 a 394.42 a 833.06 a 1914.92 a 59.80 a 94.70 a 96.00 a
Foliole number Stem diameter (cm)
1 2 3 1 2 3
NaCl 151.00 b 294.60 b 780.80 b 9.80 b 11.80 a 15.00 b
KIO3 + NaCl 142.40 b 307.40 b 603.00 b 10.80 b 13.20 a 15.20 b
Control 217.50 a 462.20 a 1476.00 a 14.40 a 12.80 a 18.60 a

Effects of iodine on macroelement content in tomato fruit.

Treatments N P Ca K Mg Na
(g · kg−1 D.W.)
NaCl 24.02 a 2.59 a 1.00 bc 58.31 a 2.72 a 6.12 a
KIO3 + NaCl 18.27 b 2.51 a 0.53 c 52.32 a 2.01 a 9.04 a
Control 15.39 c 2.12 a 2.02 a 58.29 a 2.68 a 2.32 b

Representation of treatments and controls.

Salt conditions NaCl (salt control) 35 plants NaCl + KIO3 35 plants
Normal conditions Absolute control (only Steiner solution)35 plants

Effect of iodine on antioxidant content in tomato fruit

Treatments CA (mM trolox) AsA* (g · kg−1) Lic (mg · kg−1) GSH (g · kg−1) Prot (g · kg−1) CAT (U · min−1) GPX (U · min−1) APX (U · min−1) SOD (U · min−1)
NaCl 51.8 a** 37 b 19 a 0.68 a 16.1 b 0.12 a 1.6 a 0.01 a 5.68 a
NaCl+KIO3 21.2 b 59.5 a 4.4 b 0.87 a 16.2 a 0.11 a 1.6 a 0.01 a 5.40 a
Control 29.6 b 70.8 a 22.5 a 0.99 a 12.5 c 0.14 a 3.1 b 0.01a 6.52 a
eISSN:
2083-5965
Sprache:
Englisch
Zeitrahmen der Veröffentlichung:
2 Hefte pro Jahr
Fachgebiete der Zeitschrift:
Biologie, Botanik, Zoologie, Ökologie, andere
Zeitschrift RSS Feed