Abstract

Drought-tolerant perennials are intensively sought-after plants for decorative purposes. Perennial ferns are cold-hardy cultivars that are great for shady to partially shaded areas of the garden, but their response to drought stress is unknown. In this study, we examined how reduced watering altered the growth of Athyrium niponicum ‘Red Beauty’, Cyrtomium fortunei ‘Clivicola’, Dryopteris atrata, Dryopteris erythrosora, Dryoperis filix-mas, Dryoperis filix-mas ‘Linearis Polydactylon’, and Polystichum setiferum ‘Proliferum’ in comparison with optimal watering conditions. From among the seven fern taxa, Athyrium niponicum ‘Red Beauty’ and Dryoperis filix-mas turned out to be the most sensitive to reduced watering, and they demonstrated leaf browning and drying. Little visual leaf damage was observed in Cyrtomium fortunei ‘Clivicola’, Dryopteris erythrosora, and Polystichum setiferum ‘Proliferum’.

Highlights

  • Pietrak, A.; Zawadzińska, A.; Despite taking up the least space, growing ornamental plants is the most profitable branch of plant production [1]

  • We found that plant response to drought stress largely depended on the species and cultivar

  • The plants exposed to drought had a smaller diameter than those grown under optimal conditions (80% soil water content (SWC))

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Summary

Introduction

A.; Zawadzińska, A.; Despite taking up the least space, growing ornamental plants is the most profitable branch of plant production [1]. The species and cultivars of hardy garden ferns are still relatively poorly known, but they can be attractive ornamental plants grown on balconies, in parks, and in green areas [6]. They comprise numerous taxa differing in height, habit, and leaf shape and color. Many garden ferns retain their decorative foliage in the winter. Apart from their decorative value, many fern species are edible and medicinal plants [7]

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