Have a personal or library account? Click to login
Does the sunblock alleviate abiotic stress in mango trees grown in the tropical semiarid? Cover

Does the sunblock alleviate abiotic stress in mango trees grown in the tropical semiarid?

Folia Horticulturae
Volume 34 (2022): Issue 2 (December 2022)
By: Anderson R. L. Silva,  Ítalo H. L. Cavalcante,  Marcelle A. Silva,  Vespasiano B. Paiva Neto,  Renata A. Amariz and  Letícia Y. A. Amorim  
Open Access
|Dec 2022

Figures & Tables

Figure 1

Maximum, minimum and average air temperature, air humidity and rainfall recorded during the execution of the experiment.
Maximum, minimum and average air temperature, air humidity and rainfall recorded during the execution of the experiment.

Figure 2

Net photosynthesis – A (A) and leaf transpiration – E (B) of “Palmer” mango trees as a function of sunblock strategies and days after treatments. Points with the same lowercase letters do not differ on each evaluation date by Tukey's test at 0.01 probability level. Vertical lines indicate error bars. (T1) control (no sunblock); (T2) calcium carbonate (50 g · L−1); (T3) sunblock (5 mL · L−1); (T4) sunblock (5 mL · L−1); (T5) sunblock (5 mL · L−1) + sunblock silicon concentrated (20 mL · L−1) and (T6) sunblock (20 mL · L−1).
Net photosynthesis – A (A) and leaf transpiration – E (B) of “Palmer” mango trees as a function of sunblock strategies and days after treatments. Points with the same lowercase letters do not differ on each evaluation date by Tukey's test at 0.01 probability level. Vertical lines indicate error bars. (T1) control (no sunblock); (T2) calcium carbonate (50 g · L−1); (T3) sunblock (5 mL · L−1); (T4) sunblock (5 mL · L−1); (T5) sunblock (5 mL · L−1) + sunblock silicon concentrated (20 mL · L−1) and (T6) sunblock (20 mL · L−1).

Figure 3

Total soluble carbohydrate concentrations (TSC) in “Palmer” mango leaves as a function of sunblock strategies and days after treatments. Points with the same lowercase letters do not differ on each evaluation date by Tukey's test at 0.01 probability level. Vertical lines indicate error bars. (T1) control (no sunblock); (T2) calcium carbonate (50 g · L−1); (T3) sunblock (5 mL · L−1); (T4) sunblock (5 mL · L−1) + calcium carbonate (50 g · L−1); (T5) sunblock (5 mL · L−1) + sunblock silicon concentrated (20 mL · L−1) and (T6) sunblock (20 mL · L−1).
Total soluble carbohydrate concentrations (TSC) in “Palmer” mango leaves as a function of sunblock strategies and days after treatments. Points with the same lowercase letters do not differ on each evaluation date by Tukey's test at 0.01 probability level. Vertical lines indicate error bars. (T1) control (no sunblock); (T2) calcium carbonate (50 g · L−1); (T3) sunblock (5 mL · L−1); (T4) sunblock (5 mL · L−1) + calcium carbonate (50 g · L−1); (T5) sunblock (5 mL · L−1) + sunblock silicon concentrated (20 mL · L−1) and (T6) sunblock (20 mL · L−1).

Figure 4

Leaf concentrations of starch (A) and α-amylase activity (B) of “Palmer” mango trees as a function of sunblock strategies and days after treatments. Points with the same lowercase letters do not differ on each evaluation date by Tukey's test at 0.01 probability level. Vertical lines indicate error bars. FM = fresh mass; (T1) control (no sunblock); (T2) calcium carbonate (50 g · L−1); (T3) sunblock (5 mL · L−1); (T4) sunblock (5 mL · L−1) + calcium carbonate (50 g · L−1); (T5) sunblock (5 mL · L−1) + sunblock silicon concentrated (20 mL · L−1) and (T6) sunblock (20 mL · L−1).
Leaf concentrations of starch (A) and α-amylase activity (B) of “Palmer” mango trees as a function of sunblock strategies and days after treatments. Points with the same lowercase letters do not differ on each evaluation date by Tukey's test at 0.01 probability level. Vertical lines indicate error bars. FM = fresh mass; (T1) control (no sunblock); (T2) calcium carbonate (50 g · L−1); (T3) sunblock (5 mL · L−1); (T4) sunblock (5 mL · L−1) + calcium carbonate (50 g · L−1); (T5) sunblock (5 mL · L−1) + sunblock silicon concentrated (20 mL · L−1) and (T6) sunblock (20 mL · L−1).

Figure 5

Leaf activity of catalase – CAT (A) and ascorbate peroxidase – APX (B) enzymes of “Palmer” mango trees as a function of sunblock strategies and days after treatments. Points with the same lowercase letters do not differ on each evaluation date by Tukey's test at 0.01 probability level. Vertical lines indicate error bars. (T1) control (no sunblock); (T2) calcium carbonate (50 g · L−1); (T3) sunblock (5 mL · L−1); (T4) sunblock (5 mL · L−1) + calcium carbonate (50 g · L−1); (T5) sunblock (5 mL · L−1) + sunblock silicon concentrated (20 mL · L−1) and (T6) sunblock (20 mL · L−1).
Leaf activity of catalase – CAT (A) and ascorbate peroxidase – APX (B) enzymes of “Palmer” mango trees as a function of sunblock strategies and days after treatments. Points with the same lowercase letters do not differ on each evaluation date by Tukey's test at 0.01 probability level. Vertical lines indicate error bars. (T1) control (no sunblock); (T2) calcium carbonate (50 g · L−1); (T3) sunblock (5 mL · L−1); (T4) sunblock (5 mL · L−1) + calcium carbonate (50 g · L−1); (T5) sunblock (5 mL · L−1) + sunblock silicon concentrated (20 mL · L−1) and (T6) sunblock (20 mL · L−1).

Figure 6

Details of treatment distribution on leaves of “Palmer” mango trees as a function of sunblock strategies. (T1) control (no sunblock); (T2) calcium carbonate (50 g · L−1); (T3) sunblock (5 mL · L−1); (T4) sunblock (5 mL · L−1) + calcium carbonate (50 g · L−1); (T5) sunblock (5 mL · L−1) + sunblock silicon concentrated (20 mL · L−1) and (T6) sunblock (20 mL · L−1).
Details of treatment distribution on leaves of “Palmer” mango trees as a function of sunblock strategies. (T1) control (no sunblock); (T2) calcium carbonate (50 g · L−1); (T3) sunblock (5 mL · L−1); (T4) sunblock (5 mL · L−1) + calcium carbonate (50 g · L−1); (T5) sunblock (5 mL · L−1) + sunblock silicon concentrated (20 mL · L−1) and (T6) sunblock (20 mL · L−1).

Figure 7

Fruit yield of “Palmer” mango trees as a function of sunblock strategies. Grey bars with the same lowercase letters do not differ by Tukey's test at 0.01 probability level. Vertical lines indicate error bars. (T1) control (no sunblock); (T2) calcium carbonate (50 g · L−1); (T3) sunblock (5 mL · L−1); (T4) sunblock (5 mL · L−1) + calcium carbonate (50 g · L−1); (T5) sunblock (5 mL · L−1) + sunblock silicon concentrated (20 mL · L−1) and (T6) sunblock (20 mL · L−1).
Fruit yield of “Palmer” mango trees as a function of sunblock strategies. Grey bars with the same lowercase letters do not differ by Tukey's test at 0.01 probability level. Vertical lines indicate error bars. (T1) control (no sunblock); (T2) calcium carbonate (50 g · L−1); (T3) sunblock (5 mL · L−1); (T4) sunblock (5 mL · L−1) + calcium carbonate (50 g · L−1); (T5) sunblock (5 mL · L−1) + sunblock silicon concentrated (20 mL · L−1) and (T6) sunblock (20 mL · L−1).

Chemical and physical characteristics of the soil (0–30 cm soil depth) in the experimental site before the execution of the experiment_

Soil characteristicValue
Organic matter (%)2.61
pH (in KCl)5.38
Ca2+ (cmolc· dm−3)3.6
Mg2+ (cmolc· dm−3)1.14
Al3+ (cmolc· dm−3)0.06
K+ (cmolc· dm−3)0.78
Na+ (cmolc· dm−3)0.18
P (mg · dm−3)14.84

Leaf nutrient concentrations of the “Palmer” mango orchard before the experiment_

NPKCaMgMnFeZnB
________________________________________ g · kg−1 ________________________________________________________________________________ mg· kg−1 ________________________________________
8.822.4811.5828.782.76426.1755.0126.98108.72
DOI: https://doi.org/10.2478/fhort-2022-0016 | Journal eISSN: 2083-5965 | Journal ISSN: 0867-1761
Journal RSS Feed
Language: English
Page range: 211 - 221
Submitted on: Jun 23, 2022
Accepted on: Oct 10, 2022
Published on: Dec 8, 2022
Published by: Polish Society for Horticultural Sciences (PSHS)
In partnership with: Paradigm Publishing Services
Publication frequency: 2 issues per year
Keywords:
enzyme activity,
L,
photosynthesis,
soluble carbohydrates
Related subjects:
Life sciences,
Plant science,
Zoology,
Ecology,
Life sciences, other

© 2022 Anderson R. L. Silva, Ítalo H. L. Cavalcante, Marcelle A. Silva, Vespasiano B. Paiva Neto, Renata A. Amariz, Letícia Y. A. Amorim, published by Polish Society for Horticultural Sciences (PSHS)
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Previous articleVolume 34 (2022): Issue 2 (December 2022)Next article