Nitrate inhibition of germination in Ericaceae relates to seed size and mycoheterotrophy

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F67985939%3A_____%2F25%3A00640073" target="_blank" >RIV/67985939:_____/25:00640073 - isvavai.cz</a>

Nalezeny alternativní kódy

RIV/00216208:11310/25:10510132

Výsledek na webu

<a href="https://doi.org/10.1111/1365-2435.14710" target="_blank" >https://doi.org/10.1111/1365-2435.14710</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1111/1365-2435.14710" target="_blank" >10.1111/1365-2435.14710</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Nitrate inhibition of germination in Ericaceae relates to seed size and mycoheterotrophy

Popis výsledku v původním jazyce

In previous studies we have shown that the germination of orchid seeds is inhibited by nitrate, and in some species very strongly. This probably reflects the ability of orchids to take up nitrogen from symbiotic fungi, which gives them a competitive advantage in sites with low nitrogen, and hence nitrate, availability in the soil. However, no other group of mycoheterotrophic plants has been investigated. In this study, we investigated one group of plants, the family Ericaceae, which contains closely related mycoheterotrophic and autotrophic (photosynthetic) species, and compared them to each other. We found high variability in germination responses to nitrate. Mycoheterotrophic species reacted significantly more negatively to nitrate compared to autotrophic species. However, the species responses to nitrate also strongly correlated with seed dimensions, as mycoheterotrophic plants generally have smaller seeds than autotrophic species. We have not been able to disentangle these two effects, nevertheless we can conclude that mycoheterotrophic plants in general, which nearly all produce tiny dust seeds, are likely to be negatively affected by nitrate.

Název v anglickém jazyce

Nitrate inhibition of germination in Ericaceae relates to seed size and mycoheterotrophy

Popis výsledku anglicky

In previous studies we have shown that the germination of orchid seeds is inhibited by nitrate, and in some species very strongly. This probably reflects the ability of orchids to take up nitrogen from symbiotic fungi, which gives them a competitive advantage in sites with low nitrogen, and hence nitrate, availability in the soil. However, no other group of mycoheterotrophic plants has been investigated. In this study, we investigated one group of plants, the family Ericaceae, which contains closely related mycoheterotrophic and autotrophic (photosynthetic) species, and compared them to each other. We found high variability in germination responses to nitrate. Mycoheterotrophic species reacted significantly more negatively to nitrate compared to autotrophic species. However, the species responses to nitrate also strongly correlated with seed dimensions, as mycoheterotrophic plants generally have smaller seeds than autotrophic species. We have not been able to disentangle these two effects, nevertheless we can conclude that mycoheterotrophic plants in general, which nearly all produce tiny dust seeds, are likely to be negatively affected by nitrate.

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

10602 - Biology (theoretical, mathematical, thermal, cryobiology, biological rhythm), Evolutionary biology

Projekt

<a href="/cs/project/GN23-05310O" target="_blank" >GN23-05310O: Hon na zloděje: hledání rostlin, které kradou uhlík od hub</a><br>

Návaznosti

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Rok uplatnění

2025

Kód důvěrnosti údajů

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

Název periodika

Functional Ecology

ISSN

0269-8463

e-ISSN

1365-2435

Svazek periodika

39

Číslo periodika v rámci svazku

2

Stát vydavatele periodika

US - Spojené státy americké

Počet stran výsledku

12

Strana od-do

609-620

Kód UT WoS článku

001365751000001

EID výsledku v databázi Scopus

2-s2.0-85210477444