Daily and seasonal changes of sap flow in Gamhong apple cultivar and estimate the tree-level transpiration using Penman-Monteith reference evapotranspiration.
| Title: | Daily and seasonal changes of sap flow in Gamhong apple cultivar and estimate the tree-level transpiration using Penman-Monteith reference evapotranspiration. |
|---|---|
| Authors: | Bhusal, Narayan1,2 (AUTHOR) bhusal.narayan4@gmail.com, Santiago, Louis S.2 (AUTHOR), Lee, Joncheon1 (AUTHOR), Jeong, Sanghak1 (AUTHOR), Park, In Hee1,3 (AUTHOR), Choi, Byeong-Ho1 (AUTHOR), Kweon, Hun-Joong4 (AUTHOR), Han, Su-Gon3 (AUTHOR), Yoon, Tae-Myung1,3 (AUTHOR) tmyoon@knu.ac.kr |
| Source: | South African Journal of Botany. Oct2024, Vol. 173, p397-410. 14p. |
| Subject Terms: | *PLANT transpiration, *VAPOR pressure, *WEATHER, *LEAF area, *ATMOSPHERIC temperature |
| Abstract: | • VPD and R g predominantly drive variations in tree-level transpiration. • Soil moisture availability did not limit tree-level transpiration. • Xylem sap flow exhibited a strong correlation with VPD, R g , and RH. • Significant correlation (P < 0.001) was observed between actual and potential transpiration. • Apple tree water usage was higher in the early season compared to mid- and late seasons. Understanding the environmental drivers and hydraulic dynamics of plants is pivotal for elucidating future water use strategies and refining precise irrigation techniques. In our investigation, we focused on the daily and seasonal fluctuations in sap flow (SF) using compensation heat-pulse techniques on 7-year-old 'Gamhong' apple trees. Predictions of stand transpiration were integrated using the Penman-Monteith grass reference evapotranspiration. Additionally, we measured leaf-level diurnal and seasonal stomatal conductance (g s), leaf water potential (Ψ Leaf), and transpiration rate (E) to explore the relationship between plant-level transpiration and orchard microclimate. Diurnal SF exhibited a pattern similar to global radiation (R g) and vapor pressure deficit (VPD), increasing in the morning with a peak in the afternoon and decreasing towards evening. Seasonal water use varied, with rates of 10.62 ± 0.282 L day-1 in early (May–June), 8.40 ± 0.222 L day-1 in mid- (July–August), and 5.96 ± 0.154 L day-1 in late season (September–October). Plant water consumption was influenced by weather conditions and evaporative demand driven by atmospheric VPD and R g. Clear and sunny days resulted in higher water use (10.23 ± 0.291 L day-1) compared to partially sunny but windy days (9.85 ± 0.32 L day-1) and cloudy/rainy days (5.37 ± 0.176 L day-1). Plant transpiration strongly correlated with VPD (R² = 0.565), R g (R² = 0.616), relative humidity (R ² = 0.623), and wind velocity (u, R ² = 0.684), while no significant correlation was observed with air temperature (T a , R ² = 0.19) or soil moisture status (Ψ soil , R² = 0.19). VPD and R g emerged as the primary drivers, with Ψ soil playing a minor role and not limiting tree-level transpiration. Leaf-level g s , Ψ Leaf , and E displayed similar diurnal trends. In our study, the integrated daily sap flow provided valuable insights into plant-water relations differently across growing seasons and its relationship with reference evapotranspiration (E o). The Penman–Monteith equation, using grass reference evapotranspiration indicated a positive correlation (R ² = 0.764, P < 0.001) between actual and estimated transpiration. However, the slope of the relationship differed significantly from 1.0, suggesting that E o per unit leaf area of grass corresponds to E 288 = E o /2.88 (L m-2 of leaf area d-1), which underestimated evapotranspiration. [ABSTRACT FROM AUTHOR] |
| Copyright of South African Journal of Botany is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.) | |
| Database: | Academic Search Complete |
| FullText | Text: Availability: 0 CustomLinks: – Url: https://www.doi.org/10.1016/j.sajb.2024.08.042? Name: ScienceDirect (all content)-s8985755 Category: fullText Text: View record from ScienceDirect MouseOverText: View record from ScienceDirect – Url: https://resolver.ebsco.com/c/xy5jbn/result?sid=EBSCO:a9h&genre=article&issn=02546299&ISBN=&volume=173&issue=&date=20241001&spage=397&pages=397-410&title=South African Journal of Botany&atitle=Daily%20and%20seasonal%20changes%20of%20sap%20flow%20in%20Gamhong%20apple%20cultivar%20and%20estimate%20the%20tree-level%20transpiration%20using%20Penman-Monteith%20reference%20evapotranspiration.&aulast=Bhusal%2C%20Narayan&id=DOI:10.1016/j.sajb.2024.08.042 Name: Full Text Finder (for New FTF UI) (s8985755) Category: fullText Text: Find It @ SCU Libraries MouseOverText: Find It @ SCU Libraries |
|---|---|
| Header | DbId: a9h DbLabel: Academic Search Complete An: 179530170 AccessLevel: 6 PubType: Academic Journal PubTypeId: academicJournal PreciseRelevancyScore: 0 |
| IllustrationInfo | |
| Items | – Name: Title Label: Title Group: Ti Data: Daily and seasonal changes of sap flow in Gamhong apple cultivar and estimate the tree-level transpiration using Penman-Monteith reference evapotranspiration. – Name: Author Label: Authors Group: Au Data: <searchLink fieldCode="AR" term="%22Bhusal%2C+Narayan%22">Bhusal, Narayan</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<i> bhusal.narayan4@gmail.com</i><br /><searchLink fieldCode="AR" term="%22Santiago%2C+Louis+S%2E%22">Santiago, Louis S.</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Lee%2C+Joncheon%22">Lee, Joncheon</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Jeong%2C+Sanghak%22">Jeong, Sanghak</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Park%2C+In+Hee%22">Park, In Hee</searchLink><relatesTo>1,3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Choi%2C+Byeong-Ho%22">Choi, Byeong-Ho</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Kweon%2C+Hun-Joong%22">Kweon, Hun-Joong</searchLink><relatesTo>4</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Han%2C+Su-Gon%22">Han, Su-Gon</searchLink><relatesTo>3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Yoon%2C+Tae-Myung%22">Yoon, Tae-Myung</searchLink><relatesTo>1,3</relatesTo> (AUTHOR)<i> tmyoon@knu.ac.kr</i> – Name: TitleSource Label: Source Group: Src Data: <searchLink fieldCode="JN" term="%22South+African+Journal+of+Botany%22">South African Journal of Botany</searchLink>. Oct2024, Vol. 173, p397-410. 14p. – Name: Subject Label: Subject Terms Group: Su Data: *<searchLink fieldCode="DE" term="%22PLANT+transpiration%22">PLANT transpiration</searchLink><br />*<searchLink fieldCode="DE" term="%22VAPOR+pressure%22">VAPOR pressure</searchLink><br />*<searchLink fieldCode="DE" term="%22WEATHER%22">WEATHER</searchLink><br />*<searchLink fieldCode="DE" term="%22LEAF+area%22">LEAF area</searchLink><br />*<searchLink fieldCode="DE" term="%22ATMOSPHERIC+temperature%22">ATMOSPHERIC temperature</searchLink> – Name: Abstract Label: Abstract Group: Ab Data: • VPD and R g predominantly drive variations in tree-level transpiration. • Soil moisture availability did not limit tree-level transpiration. • Xylem sap flow exhibited a strong correlation with VPD, R g , and RH. • Significant correlation (P < 0.001) was observed between actual and potential transpiration. • Apple tree water usage was higher in the early season compared to mid- and late seasons. Understanding the environmental drivers and hydraulic dynamics of plants is pivotal for elucidating future water use strategies and refining precise irrigation techniques. In our investigation, we focused on the daily and seasonal fluctuations in sap flow (SF) using compensation heat-pulse techniques on 7-year-old 'Gamhong' apple trees. Predictions of stand transpiration were integrated using the Penman-Monteith grass reference evapotranspiration. Additionally, we measured leaf-level diurnal and seasonal stomatal conductance (g s), leaf water potential (Ψ Leaf), and transpiration rate (E) to explore the relationship between plant-level transpiration and orchard microclimate. Diurnal SF exhibited a pattern similar to global radiation (R g) and vapor pressure deficit (VPD), increasing in the morning with a peak in the afternoon and decreasing towards evening. Seasonal water use varied, with rates of 10.62 ± 0.282 L day-1 in early (May–June), 8.40 ± 0.222 L day-1 in mid- (July–August), and 5.96 ± 0.154 L day-1 in late season (September–October). Plant water consumption was influenced by weather conditions and evaporative demand driven by atmospheric VPD and R g. Clear and sunny days resulted in higher water use (10.23 ± 0.291 L day-1) compared to partially sunny but windy days (9.85 ± 0.32 L day-1) and cloudy/rainy days (5.37 ± 0.176 L day-1). Plant transpiration strongly correlated with VPD (R² = 0.565), R g (R² = 0.616), relative humidity (R ² = 0.623), and wind velocity (u, R ² = 0.684), while no significant correlation was observed with air temperature (T a , R ² = 0.19) or soil moisture status (Ψ soil , R² = 0.19). VPD and R g emerged as the primary drivers, with Ψ soil playing a minor role and not limiting tree-level transpiration. Leaf-level g s , Ψ Leaf , and E displayed similar diurnal trends. In our study, the integrated daily sap flow provided valuable insights into plant-water relations differently across growing seasons and its relationship with reference evapotranspiration (E o). The Penman–Monteith equation, using grass reference evapotranspiration indicated a positive correlation (R ² = 0.764, P < 0.001) between actual and estimated transpiration. However, the slope of the relationship differed significantly from 1.0, suggesting that E o per unit leaf area of grass corresponds to E 288 = E o /2.88 (L m-2 of leaf area d-1), which underestimated evapotranspiration. [ABSTRACT FROM AUTHOR] – Name: AbstractSuppliedCopyright Label: Group: Ab Data: <i>Copyright of South African Journal of Botany is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.) |
| PLink | https://login.libproxy.scu.edu/login?url=https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&scope=site&db=a9h&AN=179530170 |
| RecordInfo | BibRecord: BibEntity: Identifiers: – Type: doi Value: 10.1016/j.sajb.2024.08.042 Languages: – Code: eng Text: English PhysicalDescription: Pagination: PageCount: 14 StartPage: 397 Subjects: – SubjectFull: PLANT transpiration Type: general – SubjectFull: VAPOR pressure Type: general – SubjectFull: WEATHER Type: general – SubjectFull: LEAF area Type: general – SubjectFull: ATMOSPHERIC temperature Type: general Titles: – TitleFull: Daily and seasonal changes of sap flow in Gamhong apple cultivar and estimate the tree-level transpiration using Penman-Monteith reference evapotranspiration. Type: main BibRelationships: HasContributorRelationships: – PersonEntity: Name: NameFull: Bhusal, Narayan – PersonEntity: Name: NameFull: Santiago, Louis S. – PersonEntity: Name: NameFull: Lee, Joncheon – PersonEntity: Name: NameFull: Jeong, Sanghak – PersonEntity: Name: NameFull: Park, In Hee – PersonEntity: Name: NameFull: Choi, Byeong-Ho – PersonEntity: Name: NameFull: Kweon, Hun-Joong – PersonEntity: Name: NameFull: Han, Su-Gon – PersonEntity: Name: NameFull: Yoon, Tae-Myung IsPartOfRelationships: – BibEntity: Dates: – D: 01 M: 10 Text: Oct2024 Type: published Y: 2024 Identifiers: – Type: issn-print Value: 02546299 Numbering: – Type: volume Value: 173 Titles: – TitleFull: South African Journal of Botany Type: main |
| ResultId | 1 |