Stem water potential, stomatal conductance and yield in irrigated apple tree

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F25271121%3A_____%2F23%3AN0000133" target="_blank" >RIV/25271121:_____/23:N0000133 - isvavai.cz</a>

Výsledek na webu

<a href="https://pse.agriculturejournals.cz/artkey/pse-202307-0001_stem-water-potential-stomatal-conductance-and-yield-in-irrigated-apple-trees.php" target="_blank" >https://pse.agriculturejournals.cz/artkey/pse-202307-0001_stem-water-potential-stomatal-conductance-and-yield-in-irrigated-apple-trees.php</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.17221/160/2023-PSE" target="_blank" >10.17221/160/2023-PSE</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Stem water potential, stomatal conductance and yield in irrigated apple tree

Popis výsledku v původním jazyce

Plant-based indicators of water status, such as midday stem water potential (Ψstem) and leaf stomatal conductance (gs), are used to optimise irrigation scheduling in horticultural crops because they integrate the effect of soil and climatic conditions and the internal physiological constraints. The use of these indicators relies on experimentally acquired thresholds that relate the value of the indicator to negative effects on yield. In five irrigation treatments, we monitored yield, fruit size and the courses of Ψstem and gs throughout four consecutive growing seasons. We found that Ψstem was more sensitive to irrigation treatment than gs. Both indicators increased with available soil water content (ASWC) and decreased with evaporative demands of the atmosphere (ETC). On a seasonal basis, crop load had a stronger impact on gs than Ψstem. In summary, our study explored the effect of environmental conditions and crop load on plant-based indicators of tree water status and can be useful for establishing thresholds for irrigation scheduling in apple tree orchards.

Název v anglickém jazyce

Stem water potential, stomatal conductance and yield in irrigated apple tree

Popis výsledku anglicky

Plant-based indicators of water status, such as midday stem water potential (Ψstem) and leaf stomatal conductance (gs), are used to optimise irrigation scheduling in horticultural crops because they integrate the effect of soil and climatic conditions and the internal physiological constraints. The use of these indicators relies on experimentally acquired thresholds that relate the value of the indicator to negative effects on yield. In five irrigation treatments, we monitored yield, fruit size and the courses of Ψstem and gs throughout four consecutive growing seasons. We found that Ψstem was more sensitive to irrigation treatment than gs. Both indicators increased with available soil water content (ASWC) and decreased with evaporative demands of the atmosphere (ETC). On a seasonal basis, crop load had a stronger impact on gs than Ψstem. In summary, our study explored the effect of environmental conditions and crop load on plant-based indicators of tree water status and can be useful for establishing thresholds for irrigation scheduling in apple tree orchards.

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

40101 - Agriculture

Projekt

<a href="/cs/project/QK1910165" target="_blank" >QK1910165: Moderní postupy v závlahovém režimu ovocných dřevin v podmínkách vodního deficitu</a><br>

Návaznosti

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Rok uplatnění

2023

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Plant, Soil and Environment

ISSN

1214-1178

e-ISSN

—

Svazek periodika

69

Číslo periodika v rámci svazku

7

Stát vydavatele periodika

CZ - Česká republika

Počet stran výsledku

11

Strana od-do

303-313

Kód UT WoS článku

001122095400001

EID výsledku v databázi Scopus

2-s2.0-85165951103