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Statements

Subject Item
n2:RIV%2F60076658%3A12310%2F12%3A43883700%21RIV13-GA0-12310___
rdf:type
skos:Concept n12:Vysledek
dcterms:description
Nutrients play a key role in arbuscular mycorrhizal (AM) symbiosis. We quantified the response of AM symbiosis of seedlings and adult plants of Plantago lanceolata to fertilization under field conditions in managed grasslands differing in nutrient availability and soil moisture. The AM symbiosis was measured as the total extent of AM fungal colonization and frequency of arbuscules or vesicles, and as the relative proportions of morphotypes. We further examined the effects of the surrounding vegetation upon AM symbiosis. Fertilization decreased total AM colonization and relative arbuscular frequency of the whole mycorrhizal community and of Acaulospora and %22fine endophyte%22 morphotypes in seedling roots, but it had no effect upon the mycorrhiza in adult plants. The decline in arbuscular frequency in seedling roots due to fertilization was greater at the sites with higher nutrient availability and lower N:P ratio. Seedlings surrounded by more forbs had a greater total AM colonization and higher vesicular frequency. Increased nutrient availability in the initial stages of seedling development has a prominent effect upon AM symbiosis development, but these effects seem to diminish over the long term, as evidenced by the results obtained for adult plants and from the limited effects of parameters characterizing long-term nutrient availability. Nutrients play a key role in arbuscular mycorrhizal (AM) symbiosis. We quantified the response of AM symbiosis of seedlings and adult plants of Plantago lanceolata to fertilization under field conditions in managed grasslands differing in nutrient availability and soil moisture. The AM symbiosis was measured as the total extent of AM fungal colonization and frequency of arbuscules or vesicles, and as the relative proportions of morphotypes. We further examined the effects of the surrounding vegetation upon AM symbiosis. Fertilization decreased total AM colonization and relative arbuscular frequency of the whole mycorrhizal community and of Acaulospora and %22fine endophyte%22 morphotypes in seedling roots, but it had no effect upon the mycorrhiza in adult plants. The decline in arbuscular frequency in seedling roots due to fertilization was greater at the sites with higher nutrient availability and lower N:P ratio. Seedlings surrounded by more forbs had a greater total AM colonization and higher vesicular frequency. Increased nutrient availability in the initial stages of seedling development has a prominent effect upon AM symbiosis development, but these effects seem to diminish over the long term, as evidenced by the results obtained for adult plants and from the limited effects of parameters characterizing long-term nutrient availability.
dcterms:title
Fertilization and forb:graminoid ratio affect arbuscular mycorrhiza in seedlings but not adult plants of Plantago lanceolata Fertilization and forb:graminoid ratio affect arbuscular mycorrhiza in seedlings but not adult plants of Plantago lanceolata
skos:prefLabel
Fertilization and forb:graminoid ratio affect arbuscular mycorrhiza in seedlings but not adult plants of Plantago lanceolata Fertilization and forb:graminoid ratio affect arbuscular mycorrhiza in seedlings but not adult plants of Plantago lanceolata
skos:notation
RIV/60076658:12310/12:43883700!RIV13-GA0-12310___
n12:predkladatel
n13:orjk%3A12310
n3:aktivita
n19:P
n3:aktivity
P(GA206/09/0649)
n3:cisloPeriodika
1-2
n3:dodaniDat
n9:2013
n3:domaciTvurceVysledku
n5:5181607 n5:9908056 n5:3820165
n3:druhVysledku
n17:J
n3:duvernostUdaju
n16:S
n3:entitaPredkladatele
n11:predkladatel
n3:idSjednocenehoVysledku
136390
n3:idVysledku
RIV/60076658:12310/12:43883700
n3:jazykVysledku
n8:eng
n3:klicovaSlova
Morphotypes; Fertilization; Soil moisture; Phosphate; Nitrogen; Arbuscular fungi; COLONIZATION; COMMUNITY; GRASSLAND; SOIL; FUNGI; FINE ENDOPHYTE; NITROGEN DEPOSITION; FUNCTIONAL DIVERSITY; TALLGRASS PRAIRIE; ELEVATED ATMOSPHERIC CO2
n3:klicoveSlovo
n4:Nitrogen n4:FUNGI n4:NITROGEN%20DEPOSITION n4:Phosphate n4:COLONIZATION n4:TALLGRASS%20PRAIRIE n4:ELEVATED%20ATMOSPHERIC%20CO2 n4:COMMUNITY n4:Fertilization n4:Morphotypes n4:Arbuscular%20fungi n4:Soil%20moisture n4:FINE%20ENDOPHYTE n4:SOIL n4:GRASSLAND n4:FUNCTIONAL%20DIVERSITY
n3:kodStatuVydavatele
NL - Nizozemsko
n3:kontrolniKodProRIV
[210CF9D28A5F]
n3:nazevZdroje
Plant and Soil
n3:obor
n18:EF
n3:pocetDomacichTvurcuVysledku
3
n3:pocetTvurcuVysledku
3
n3:projekt
n15:GA206%2F09%2F0649
n3:rokUplatneniVysledku
n9:2012
n3:svazekPeriodika
351
n3:tvurceVysledku
Šmilauer, Petr Šmilauerová, Marie Lokvencová, Martina
n3:wos
000299959100022
s:issn
0032-079X
s:numberOfPages
16
n20:doi
10.1007/s11104-011-0965-x
n10:organizacniJednotka
12310