Different types of N nutrition and their impact on endogenous cytokinin levels in Festulolium and Trifolium pratense L.

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60460709%3A41210%2F11%3A52396" target="_blank" >RIV/60460709:41210/11:52396 - isvavai.cz</a>

Nalezeny alternativní kódy

RIV/61389030:_____/11:00365272

Výsledek na webu

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DOI - Digital Object Identifier

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Jazyk výsledku

angličtina

Název v původním jazyce

Different types of N nutrition and their impact on endogenous cytokinin levels in Festulolium and Trifolium pratense L.

Popis výsledku v původním jazyce

This study aims to reveal the effects of two various systems of nitrogen nutrition (sidedress application or injection application) on toxicity of NH4+ and mixed nutrition. We investigated whether NH4+ or NH4NO3 application causes significant changes inthe endogenous levels of cytokinins (CK), whole plant N and their effects on yield of selected plants. Ammonium sulphate or ammonium nitrate were used as N source in the pot experiment. The yield of Festulolium and Trifolium pratense L. was more substantially enhanced after sidedress application of both ammonium sources in comparison with injection application. The accumulation of CKs in plants is in correlation with their N status. Proportions between individual CK forms remained relatively steady andtheir dynamics exhibited similar trends after N application. Our results indicate that the negative effect of the application of NH4+ on the growth of Festulolium and clover plants could be effectively modulated by presence of NO3-.

Název v anglickém jazyce

Different types of N nutrition and their impact on endogenous cytokinin levels in Festulolium and Trifolium pratense L.

Popis výsledku anglicky

This study aims to reveal the effects of two various systems of nitrogen nutrition (sidedress application or injection application) on toxicity of NH4+ and mixed nutrition. We investigated whether NH4+ or NH4NO3 application causes significant changes inthe endogenous levels of cytokinins (CK), whole plant N and their effects on yield of selected plants. Ammonium sulphate or ammonium nitrate were used as N source in the pot experiment. The yield of Festulolium and Trifolium pratense L. was more substantially enhanced after sidedress application of both ammonium sources in comparison with injection application. The accumulation of CKs in plants is in correlation with their N status. Proportions between individual CK forms remained relatively steady andtheir dynamics exhibited similar trends after N application. Our results indicate that the negative effect of the application of NH4+ on the growth of Festulolium and clover plants could be effectively modulated by presence of NO3-.

Druh

J_x - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)

CEP obor

GD - Hnojení, závlahy, zpracování půdy

OECD FORD obor

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Projekt

Výsledek vznikl pri realizaci vícero projektů. Více informací v záložce Projekty.

Návaznosti

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>Z - Vyzkumny zamer (s odkazem do CEZ)

Rok uplatnění

2011

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

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Svazek periodika

57

Číslo periodika v rámci svazku

8

Stát vydavatele periodika

CZ - Česká republika

Počet stran výsledku

7

Strana od-do

381-387

Kód UT WoS článku

000293896800005

EID výsledku v databázi Scopus

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