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Assisted pollination by means of an electrostatic system in the production and quality of sweet cherries cv. 'Regina'

Javier Sánchez-Contreras

Javier Sánchez-Contreras

Departamento de Ciencias Agrarias, Facultad de Ciencias Agrarias y Forestales, Universidad Católica del MauleCuricó, Chile
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Sánchez-Contreras, Javier
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Miguel Palma

Miguel Palma

Centro de Pomáceas, Facultad de Ciencias Agrarias, Universidad de TalcaTalca, Chile
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Palma, Miguel
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José Antonio Yuri

José Antonio Yuri

Centro de Pomáceas, Facultad de Ciencias Agrarias, Universidad de TalcaTalca, Chile
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Yuri, José Antonio
  
Sep 24, 2025
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Article Category: ORIGINAL ARTICLE
Published Online: Sep 24, 2025
Received: Oct 12, 2024
Accepted: Jul 02, 2025
DOI: https://doi.org/10.2478/fhort-2025-0013
Keywords
© 2024 Javier Sánchez-Contreras et al., published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Figure 1.

Mean daily air temperature (°C), bee activity (hours with air temperature >15°C and solar radiation >300 W · m−2) and precipitation (mm) during the bloom periods of a fruit set of cv. 'Regina' established in San Clemente, Chile. Yellow arrow: dates of assisted pollination.
Mean daily air temperature (°C), bee activity (hours with air temperature >15°C and solar radiation >300 W · m−2) and precipitation (mm) during the bloom periods of a fruit set of cv. 'Regina' established in San Clemente, Chile. Yellow arrow: dates of assisted pollination.

Figure 2.

(A) Assisted pollination during blooming in an orchard of 'Regina' sweet cherry trees under plastic cover. (B) Experimental unit of plant material.
(A) Assisted pollination during blooming in an orchard of 'Regina' sweet cherry trees under plastic cover. (B) Experimental unit of plant material.

Fruit quality in sweet cherries 'Regina' at harvest and after 30 days of cold storage (0 ± 1°C/85%–90% RH)_

Period Treatment Weight (g) Diameter (mm) Colour (1–5) Firmness (g ⋅ mm−1) SSC (Brix)
Harvest Traditional pollination 12.4 ± 1.5 a 28.1 ± 1.3 a 4.0 ± 0.0 b 285 ± 38 a 19.1 ± 0.6 b
Assisted pollination 11.7 ± 1.5 b 28.2 ± 1.4 a 4.4 ± 0.5 a 262 ± 36 b 20.4 ± 0.7 a
30 days MAP Traditional pollination 11.8 ± 1.3 a 28.4 ± 1.2 a 4.1 ± 0.4 a 322 ± 63 b 19.1 ± 0.6 a
Assisted pollination 11.7 ± 1.3 a 28.0 ± 1.2 a 4.1 ± 0.4 a 355 ± 46 a 20.5 ± 0.9 a

Fruit set, retention and yield in 'Regina' sweet cherries_

Treatment Total flowers Fruit set (%) Fruit retention (%) Yield
(kg ⋅ tree−1) (kg ⋅ ha−1)
Traditional pollination 567 14.1 ± 5.9 b 50.9 ± 29.6 a 11.1 ± 4.9 a 15424 ± 3229 a
Assisted pollination 455 19.9 ± 6.0 a 52.6 ± 24.8 a 13.3 ± 2.3 a 18479 ± 6830 a
Language:
English
Publication timeframe:
2 times per year
Journal Subjects:
Life Sciences, Plant Science, Zoology, Ecology, Life Sciences, other
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