Photoselective Nets Alter Apple Canopy Air Temperature and Carbon Translocation during Dormancy and Budbreak

Photoselective nets were used to examine apple shoot physiology during dormancy and budbreak. Two trials were conducted: one in the field and one in controlled conditions. In the first, three colored nets (red, blue, and white, shading 20%) covered sections of single trees, leaving an empty portion...

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Main Authors: Alexandra Boini, Enrico Muzzi, Aude Tixier, Maciej Zwieniecki, Luigi Manfrini, Luca Corelli Grappadelli
Format: Article
Language:English
Published: American Society for Horticultural Science (ASHS) 2021-09-01
Series:HortScience
Subjects:
Online Access:https://journals.ashs.org/hortsci/view/journals/hortsci/56/10/article-p1166.xml
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author Alexandra Boini
Enrico Muzzi
Aude Tixier
Maciej Zwieniecki
Luigi Manfrini
Luca Corelli Grappadelli
author_facet Alexandra Boini
Enrico Muzzi
Aude Tixier
Maciej Zwieniecki
Luigi Manfrini
Luca Corelli Grappadelli
author_sort Alexandra Boini
collection DOAJ
description Photoselective nets were used to examine apple shoot physiology during dormancy and budbreak. Two trials were conducted: one in the field and one in controlled conditions. In the first, three colored nets (red, blue, and white, shading 20%) covered sections of single trees, leaving an empty portion as control, from December to April. The white net increased canopy air temperature compared with the blue one. Differences were found in carbohydrate seasonal patterns; however, it appeared that soil temperature had higher impacts on sugar movement in the trees. No differences were found in bud phenology. In the second trial, cuttings were placed in boxes constructed with the same-colored nets and monitored from the end of February to April. Results showed differences in phenology and carbohydrate translocation. The white box hastened bloom and its cuttings had higher amounts of carbohydrates at the end of the trial. On the contrary, the blue box delayed bloom while resources were still being consumed and its cuttings had the lowest amounts of reserves at the end of the trial. These results add new insights on apple physiology under different light spectra and commercial applications should not be excluded for improving crop management.
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spelling doaj.art-2743546dfb904db9b28357c07c4300ba2022-12-21T21:47:47ZengAmerican Society for Horticultural Science (ASHS)HortScience2327-98342021-09-01561011661174https://doi.org/10.21273/HORTSCI15545-20Photoselective Nets Alter Apple Canopy Air Temperature and Carbon Translocation during Dormancy and BudbreakAlexandra BoiniEnrico MuzziAude TixierMaciej ZwienieckiLuigi ManfriniLuca Corelli GrappadelliPhotoselective nets were used to examine apple shoot physiology during dormancy and budbreak. Two trials were conducted: one in the field and one in controlled conditions. In the first, three colored nets (red, blue, and white, shading 20%) covered sections of single trees, leaving an empty portion as control, from December to April. The white net increased canopy air temperature compared with the blue one. Differences were found in carbohydrate seasonal patterns; however, it appeared that soil temperature had higher impacts on sugar movement in the trees. No differences were found in bud phenology. In the second trial, cuttings were placed in boxes constructed with the same-colored nets and monitored from the end of February to April. Results showed differences in phenology and carbohydrate translocation. The white box hastened bloom and its cuttings had higher amounts of carbohydrates at the end of the trial. On the contrary, the blue box delayed bloom while resources were still being consumed and its cuttings had the lowest amounts of reserves at the end of the trial. These results add new insights on apple physiology under different light spectra and commercial applications should not be excluded for improving crop management.https://journals.ashs.org/hortsci/view/journals/hortsci/56/10/article-p1166.xmlapplebudbreakdormancyfruit tree cropphotoselective netssoluble sugarsspectrumstarch
spellingShingle Alexandra Boini
Enrico Muzzi
Aude Tixier
Maciej Zwieniecki
Luigi Manfrini
Luca Corelli Grappadelli
Photoselective Nets Alter Apple Canopy Air Temperature and Carbon Translocation during Dormancy and Budbreak
HortScience
apple
budbreak
dormancy
fruit tree crop
photoselective nets
soluble sugars
spectrum
starch
title Photoselective Nets Alter Apple Canopy Air Temperature and Carbon Translocation during Dormancy and Budbreak
title_full Photoselective Nets Alter Apple Canopy Air Temperature and Carbon Translocation during Dormancy and Budbreak
title_fullStr Photoselective Nets Alter Apple Canopy Air Temperature and Carbon Translocation during Dormancy and Budbreak
title_full_unstemmed Photoselective Nets Alter Apple Canopy Air Temperature and Carbon Translocation during Dormancy and Budbreak
title_short Photoselective Nets Alter Apple Canopy Air Temperature and Carbon Translocation during Dormancy and Budbreak
title_sort photoselective nets alter apple canopy air temperature and carbon translocation during dormancy and budbreak
topic apple
budbreak
dormancy
fruit tree crop
photoselective nets
soluble sugars
spectrum
starch
url https://journals.ashs.org/hortsci/view/journals/hortsci/56/10/article-p1166.xml
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