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Zinc sulphate or zinc nanoparticle applications to leaves of green beans

, , , , , ,  und   
28. Dez. 2021

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Figure 1

Green beans cv. ‘Strike’ plants under greenhouse conditions at Universidad Autónoma of Chihuahua, Mexico.
Green beans cv. ‘Strike’ plants under greenhouse conditions at Universidad Autónoma of Chihuahua, Mexico.

Figure 2

(A and B) Sample morphology of ZnO NPs by scanning electron microcopy and (C and D) transmission electron microscopy (Ponce-García et al., 2019). NPs, nanoparticles.
(A and B) Sample morphology of ZnO NPs by scanning electron microcopy and (C and D) transmission electron microscopy (Ponce-García et al., 2019). NPs, nanoparticles.

Figure 3

(A) Elemental analysis (chemical composition) by energy dispersive X-ray scattering and (B) crystalline structure by X-ray diffraction of the sample ZnO NPs (Ponce-García et al., 2019). NPs, nanoparticles.
(A) Elemental analysis (chemical composition) by energy dispersive X-ray scattering and (B) crystalline structure by X-ray diffraction of the sample ZnO NPs (Ponce-García et al., 2019). NPs, nanoparticles.

Figure 4

Zn2+ concentrations in leaflet, stem, root and pods of the green bean cv. ‘Strike’ sprayed with ZnSO4 and ZnO NPs. The data shown are mean values ± standard deviations (n = 10). Bars with the same letter are not significantly different according to Tukey's test (p ≤ 0.05). NPs, nanoparticles.
Zn2+ concentrations in leaflet, stem, root and pods of the green bean cv. ‘Strike’ sprayed with ZnSO4 and ZnO NPs. The data shown are mean values ± standard deviations (n = 10). Bars with the same letter are not significantly different according to Tukey's test (p ≤ 0.05). NPs, nanoparticles.

Figure 5

Effect of application of ZnSO4 and ZnO NPs on biomass accumulation and yield (fresh pods) in the green bean cv. ‘Strike’. NPs, nanoparticles.
Effect of application of ZnSO4 and ZnO NPs on biomass accumulation and yield (fresh pods) in the green bean cv. ‘Strike’. NPs, nanoparticles.

Changes in concentrations of photosynthetic pigments, bioactive compounds and antioxidant capacities in leaflets of the green bean cv_ ‘Strike’ following applications of ZnSO4 and ZnO NPs_

Treatment Chl TC TAn Sucrose TP TFl AC

a b
Control 11.41 b 7.70 b 2.91 a 1.05 a 5.06 b 3.37 a 0.32 a 62.90 a
ZnSO4 12.62 b 8.24 b 2.14 a 1.24 a 6.38 a 3.55 a 0.42 a 72.31 a
ZnO NPs 15.40 a 11.64 a 1.58 a 1.50 a 5.53 ab 3.20 a 0.44 a 56.57 a

Concentrations of sucrose, TP, TFl and AC in pods and seeds of the green bean cv_ ‘Strike’ by supplying ZnSO4 and ZnO NPs_

Organ Treatment Sucrose (mg · g−1) TP (mg GAE · 100 g−1) TFl (mg CE · 100 g−1) AC (% DPPH inhibition)
Pod Control 10.87 a 1.96 b 0.061 a 12.36 b
ZnSO4 10.89 a 1.80 b 0.074 a 18.60 a
ZnO NPs 15.06 a 2.53 a 0.092 a 21.39 a

Seed Control 12.90 a 2.18 b 0.109 a 71.15 a
ZnSO4 14.92 a 2.16 b 0.077 b 70.96 a
ZnO NPs 17.87 a 4.15 a 0.136 a 70.48 a
Sprache:
Englisch
Zeitrahmen der Veröffentlichung:
2 Hefte pro Jahr
Fachgebiete der Zeitschrift:
Biologie, Botanik, Zoologie, Ökologie, Biologie, andere