Survival Strategies of Duckweeds, the World’s Smallest Angiosperms

Duckweeds (Lemnaceae) are small, simply constructed aquatic higher plants that grow on or just below the surface of quiet waters. They consist primarily of leaf-like assimilatory organs, or fronds, that reproduce mainly by vegetative replication. Despite their diminutive size and inornate habit, duc...

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Main Authors: Paul Ziegler, Klaus J. Appenroth, K. Sowjanya Sree
Format: Article
Language:English
Published: MDPI AG 2023-06-01
Series:Plants
Subjects:
Online Access:https://www.mdpi.com/2223-7747/12/11/2215
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author Paul Ziegler
Klaus J. Appenroth
K. Sowjanya Sree
author_facet Paul Ziegler
Klaus J. Appenroth
K. Sowjanya Sree
author_sort Paul Ziegler
collection DOAJ
description Duckweeds (Lemnaceae) are small, simply constructed aquatic higher plants that grow on or just below the surface of quiet waters. They consist primarily of leaf-like assimilatory organs, or fronds, that reproduce mainly by vegetative replication. Despite their diminutive size and inornate habit, duckweeds have been able to colonize and maintain themselves in almost all of the world’s climate zones. They are thereby subject to multiple adverse influences during the growing season, such as high temperatures, extremes of light intensity and pH, nutrient shortage, damage by microorganisms and herbivores, the presence of harmful substances in the water, and competition from other aquatic plants, and they must also be able to withstand winter cold and drought that can be lethal to the fronds. This review discusses the means by which duckweeds come to grips with these adverse influences to ensure their survival. Important duckweed attributes in this regard are a pronounced potential for rapid growth and frond replication, a juvenile developmental status facilitating adventitious organ formation, and clonal diversity. Duckweeds have specific features at their disposal for coping with particular environmental difficulties and can also cooperate with other organisms of their surroundings to improve their survival chances.
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spelling doaj.art-4587fe3868f24dc5ba47997658c558f82023-11-18T08:24:54ZengMDPI AGPlants2223-77472023-06-011211221510.3390/plants12112215Survival Strategies of Duckweeds, the World’s Smallest AngiospermsPaul Ziegler0Klaus J. Appenroth1K. Sowjanya Sree2Department of Plant Physiology, University of Bayreuth, 95440 Bayreuth, GermanyMatthias Schleiden Institute—Plant Physiology, University of Jena, 07743 Jena, GermanyDepartment of Environmental Science, Central University of Kerala, Periye 671320, IndiaDuckweeds (Lemnaceae) are small, simply constructed aquatic higher plants that grow on or just below the surface of quiet waters. They consist primarily of leaf-like assimilatory organs, or fronds, that reproduce mainly by vegetative replication. Despite their diminutive size and inornate habit, duckweeds have been able to colonize and maintain themselves in almost all of the world’s climate zones. They are thereby subject to multiple adverse influences during the growing season, such as high temperatures, extremes of light intensity and pH, nutrient shortage, damage by microorganisms and herbivores, the presence of harmful substances in the water, and competition from other aquatic plants, and they must also be able to withstand winter cold and drought that can be lethal to the fronds. This review discusses the means by which duckweeds come to grips with these adverse influences to ensure their survival. Important duckweed attributes in this regard are a pronounced potential for rapid growth and frond replication, a juvenile developmental status facilitating adventitious organ formation, and clonal diversity. Duckweeds have specific features at their disposal for coping with particular environmental difficulties and can also cooperate with other organisms of their surroundings to improve their survival chances.https://www.mdpi.com/2223-7747/12/11/2215abiotic stressbiotic stressduckweedLemnaceaeturion
spellingShingle Paul Ziegler
Klaus J. Appenroth
K. Sowjanya Sree
Survival Strategies of Duckweeds, the World’s Smallest Angiosperms
Plants
abiotic stress
biotic stress
duckweed
Lemnaceae
turion
title Survival Strategies of Duckweeds, the World’s Smallest Angiosperms
title_full Survival Strategies of Duckweeds, the World’s Smallest Angiosperms
title_fullStr Survival Strategies of Duckweeds, the World’s Smallest Angiosperms
title_full_unstemmed Survival Strategies of Duckweeds, the World’s Smallest Angiosperms
title_short Survival Strategies of Duckweeds, the World’s Smallest Angiosperms
title_sort survival strategies of duckweeds the world s smallest angiosperms
topic abiotic stress
biotic stress
duckweed
Lemnaceae
turion
url https://www.mdpi.com/2223-7747/12/11/2215
work_keys_str_mv AT paulziegler survivalstrategiesofduckweedstheworldssmallestangiosperms
AT klausjappenroth survivalstrategiesofduckweedstheworldssmallestangiosperms
AT ksowjanyasree survivalstrategiesofduckweedstheworldssmallestangiosperms