Does the response of perennial ryegrass to elevated CO2 depend
on the form of the supplied nitrogen ?

J 2002

Does the response of perennial ryegrass to elevated CO2 depend on the form of the supplied nitrogen ?

GLOSER, Vít, Marco FREHNER, Andreas LÜSCHER, Josef NÖSBERGER, Ueli HARTWIG et. al.

Základní údaje

Originální název

Does the response of perennial ryegrass to elevated CO2 depend on the form of the supplied nitrogen ?

Autoři

GLOSER, Vít (203 Česká republika, garant), Marco FREHNER (756 Švýcarsko), Andreas LÜSCHER (756 Švýcarsko), Josef NÖSBERGER (756 Švýcarsko) a Ueli HARTWIG (756 Švýcarsko)

Vydání

Biologia Plantarum, Dordrecht, KLUWER ACADEMIC PUBLISHERS, 2002, 0006-3134

Další údaje

Jazyk

angličtina

Typ výsledku

Článek v odborném periodiku

Obor

10600 1.6 Biological sciences

Stát vydavatele

Švýcarsko

Utajení

není předmětem státního či obchodního tajemství

Impakt faktor

Impact factor: 0.583

Kód RIV

RIV/00216224:14310/02:00006580

Organizační jednotka

Přírodovědecká fakulta

Klíčová slova anglicky

ammonium; Lolium perenne; nitrate; nitrogen source

Štítky

ammonium, Lolium perenne, nitrate, nitrogen source

Příznaky

Mezinárodní význam, Recenzováno

Změněno: 2. 12. 2007 20:06, doc. RNDr. Vít Gloser, Ph.D.

Anotace

V originále

To test whether different nitrogen form (nitrate or ammonium) in substrate can alter the response to elevated partial pressure Of CO2 (PCO2) plants of perennial ryegrass (Lolium perenne cv. Bastion) were grown from seeds in growth chambers under PCO2 of either 35 Pa (ambient, CA) or 70 Pa (elevated, CE) in a hydroponic system (with nutrient and pH control) for 24 d. Nitrogen was supplied as ammonium, nitrate or an equimolar mixture of both N forms. Under CE plants grew faster than their counterparts under CA during the first 14 d but after 23 d of cultivation stimulation disappeared. Despite the strong positive effect of mixed forms of N on plant growth, the beneficial effect of CE was similar to that in the other,two N treatments. However, the almost alike final growth response to CE had different underlying mechanisms in different N treatments. Plants supplied with nitrate as a sole source of nitrogen had lower leaf mass ratio but much higher specific leaf area compared to plants supplied with ammonium. The decrease in the content of leaf organic N (per unit of structural dry mass) under CE was found only in leaves of plants supplied with ammonium on day 14. Nevertheless, the available form of N evidently contributes to changes of leaf N content under CE. The high levels of N and non-structural saccharides in plants supplied with ammonium at CE suggest that the CO2-response of these plants was controlled by factors other than amount of available carbon and nitrogen.

Návaznosti

GA206/98/P268, projekt VaV

Název: Úloha dusíkatých zásobních látek v řízení růstových procesů třtiny křovištní (Calamagrostis epigejos)

Investor: Grantová agentura ČR, Úloha dusíkatých zásobních látek v řízení růstových procesů třtiny křovištní (Calamagrostis epigejos)

Citovat

GLOSER, Vít, Marco FREHNER, Andreas LÜSCHER, Josef NÖSBERGER a Ueli HARTWIG. Does the response of perennial ryegrass to elevated CO2 depend on the form of the supplied nitrogen ? Biologia Plantarum. Dordrecht: KLUWER ACADEMIC PUBLISHERS, 2002, roč. 45, č. 1, s. 51-58. ISSN 0006-3134.

@article{406138,
   author = {Gloser, Vít and Frehner, Marco and Lüscher, Andreas and Nösberger, Josef and Hartwig, Ueli},
   article_location = {Dordrecht},
   article_number = {1},
   keywords = {ammonium; Lolium perenne; nitrate; nitrogen source},
   language = {eng},
   issn = {0006-3134},
   journal = {Biologia Plantarum},
   title = {Does the response of perennial ryegrass to elevated CO2 depend on the form of the supplied nitrogen ?},
   volume = {45},
   year = {2002}
}

TY  - JOUR
ID  - 406138
AU  - Gloser, Vít - Frehner, Marco - Lüscher, Andreas - Nösberger, Josef - Hartwig, Ueli
PY  - 2002
TI  - Does the response of perennial ryegrass to elevated CO2 depend on the form of the supplied nitrogen ?
JF  - Biologia Plantarum
VL  - 45
IS  - 1
SP  - 51-58
EP  - 51-58
PB  - KLUWER ACADEMIC PUBLISHERS
SN  - 00063134
KW  - ammonium
KW  - Lolium perenne
KW  - nitrate
KW  - nitrogen source
N2  - To test whether different nitrogen form (nitrate or ammonium) in substrate can alter the response to elevated partial pressure Of CO2 (PCO2) plants of perennial ryegrass (Lolium perenne cv. Bastion) were grown from seeds in growth chambers under PCO2 of either 35 Pa (ambient, CA) or 70 Pa (elevated, CE) in a hydroponic system (with nutrient and pH control) for 24 d. Nitrogen was supplied as ammonium, nitrate or an equimolar mixture of both N forms. Under CE plants grew faster than their counterparts under CA during the first 14 d but after 23 d of cultivation stimulation disappeared. Despite the strong positive effect of mixed forms of N on plant growth, the beneficial effect of CE was similar to that in the other,two N treatments. However, the almost alike final growth response to CE had different underlying mechanisms in different N treatments. Plants supplied with nitrate as a sole source of nitrogen had lower leaf mass ratio but much higher specific leaf area compared to plants supplied with ammonium. The decrease in the content of leaf organic N (per unit of structural dry mass) under CE was found only in leaves of plants supplied with ammonium on day 14. Nevertheless, the available form of N evidently contributes to changes of leaf N content under CE. The high levels of N and non-structural saccharides in plants supplied with ammonium at CE suggest that the CO2-response of these plants was controlled by factors other than amount of available carbon and nitrogen.
ER  -

GLOSER, Vít, Marco FREHNER, Andreas LÜSCHER, Josef NÖSBERGER a Ueli HARTWIG. Does the response of perennial ryegrass to elevated CO2 depend on the form of the supplied nitrogen ? \textit{Biologia Plantarum}. Dordrecht: KLUWER ACADEMIC PUBLISHERS, 2002, roč.~45, č.~1, s.~51-58. ISSN~0006-3134.

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