Differences in photosynthetic and transpiration activity of bine and branch leaves of hop plant (Humulus lupulus L.)

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F14864347%3A_____%2F19%3AN0000022" target="_blank" >RIV/14864347:_____/19:N0000022 - isvavai.cz</a>

Výsledek na webu

<a href="https://www.actahort.org/books/1236/1236_9.htm" target="_blank" >https://www.actahort.org/books/1236/1236_9.htm</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.17660/ActaHortic.2019.1236.9" target="_blank" >10.17660/ActaHortic.2019.1236.9</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Differences in photosynthetic and transpiration activity of bine and branch leaves of hop plant (Humulus lupulus L.)

Popis výsledku v původním jazyce

This paper evaluates photosynthetic and transpiration rate of bine and branch leaves of hop (cultivar 'Agnus'). Monitoring of photosynthetic rate helps us determine phases of vegetation and environmental conditions under which plants are most active, most productive, or what influences their activity. By measuring, using LC pro+ (ADC Bio Scientific Ltd.), we detected that branch leaves show a higher rate of photosynthesis than bine leaves. Branch leaves' photosynthetic rate in the period 2011-2013 ranged between 120-184% compared with bine leaves. However, we did not find any dependence of yield on the rate of photosynthesis during the experiment. In some years when lower photosynthetic rate was measured, higher yields were achieved than in years with higher photosynthetic activity. Yield formation is therefore a multifactorial complex, involving main influence of year and weather conditions. Photosynthetic rate of bine leaves ranged from 3.29 to 8.33 μmol CO2 m-2 s-1. Photosynthetic rate of branch leaves ranged from 6.05 to 9.89 μmol CO2 m-2 s-1. Transpiration rate of branch leaves ranged between 104-119% compared with bine leaves.

Název v anglickém jazyce

Differences in photosynthetic and transpiration activity of bine and branch leaves of hop plant (Humulus lupulus L.)

Popis výsledku anglicky

This paper evaluates photosynthetic and transpiration rate of bine and branch leaves of hop (cultivar 'Agnus'). Monitoring of photosynthetic rate helps us determine phases of vegetation and environmental conditions under which plants are most active, most productive, or what influences their activity. By measuring, using LC pro+ (ADC Bio Scientific Ltd.), we detected that branch leaves show a higher rate of photosynthesis than bine leaves. Branch leaves' photosynthetic rate in the period 2011-2013 ranged between 120-184% compared with bine leaves. However, we did not find any dependence of yield on the rate of photosynthesis during the experiment. In some years when lower photosynthetic rate was measured, higher yields were achieved than in years with higher photosynthetic activity. Yield formation is therefore a multifactorial complex, involving main influence of year and weather conditions. Photosynthetic rate of bine leaves ranged from 3.29 to 8.33 μmol CO2 m-2 s-1. Photosynthetic rate of branch leaves ranged from 6.05 to 9.89 μmol CO2 m-2 s-1. Transpiration rate of branch leaves ranged between 104-119% compared with bine leaves.

Druh

D - Stať ve sborníku

CEP obor

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OECD FORD obor

40106 - Agronomy, plant breeding and plant protection; (Agricultural biotechnology to be 4.4)

Projekt

—

Návaznosti

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Rok uplatnění

2019

Kód důvěrnosti údajů

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

Název statě ve sborníku

Acta Horticulturae

ISBN

978-94-6261-234-1

ISSN

0567-7572

e-ISSN

2406-6168

Počet stran výsledku

5

Strana od-do

57-61

Název nakladatele

International Society for Horticultural Science

Místo vydání

Leuven

Místo konání akce

Yakima, USA

Datum konání akce

4. 8. 2015

Typ akce podle státní příslušnosti

WRD - Celosvětová akce

Kód UT WoS článku

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