Root structure syndromes of four families of monocots in the Middle Urals

doi:10.1016/j.pld.2023.01.007

Plant Diversity ›› 2023, Vol. 45 ›› Issue (06): 722-731.DOI: 10.1016/j.pld.2023.01.007

Root structure syndromes of four families of monocots in the Middle Urals

Anna A. Betekhtina^a, Daria E. Tukova^a, Denis V. Veselkin^b

a. Ural Federal University Named After the First President of Russia B. N. Yeltsin, 19 Mira Street, Ekaterinburg 620002, Russia;
b. Ural Branch of the Russian Academy of Sciences, Institute of Plant and Animal Ecology, 8 Marta Street, Ekaterinburg 620144, Russia

收稿日期:2022-07-30 修回日期:2023-01-24 出版日期:2023-11-25 发布日期:2023-12-28
通讯作者: Anna A. Betekhtina,E-mail:betechtina@mail.ru
基金资助:
The authors would like to express their deepest gratitude to A.N. Sozontov (Institute of Plant and Animal Ecology, Ural Branch, Russian Academy of Sciences) for performing PERMANOVA analysis. The work of D.V. Veselkin is a part of the research project of the Institute of Plant and Animal Ecology, Ural Branch, Russian Academy of Sciences (№122021000092-9).

Root structure syndromes of four families of monocots in the Middle Urals

Anna A. Betekhtina^a, Daria E. Tukova^a, Denis V. Veselkin^b

a. Ural Federal University Named After the First President of Russia B. N. Yeltsin, 19 Mira Street, Ekaterinburg 620002, Russia;
b. Ural Branch of the Russian Academy of Sciences, Institute of Plant and Animal Ecology, 8 Marta Street, Ekaterinburg 620144, Russia

Received:2022-07-30 Revised:2023-01-24 Online:2023-11-25 Published:2023-12-28
Contact: Anna A. Betekhtina,E-mail:betechtina@mail.ru
Supported by:
The authors would like to express their deepest gratitude to A.N. Sozontov (Institute of Plant and Animal Ecology, Ural Branch, Russian Academy of Sciences) for performing PERMANOVA analysis. The work of D.V. Veselkin is a part of the research project of the Institute of Plant and Animal Ecology, Ural Branch, Russian Academy of Sciences (№122021000092-9).

摘要/Abstract

摘要： The present article tests the following general assumption: plant taxa with different specializations towards mycorrhizal interactions should have different root syndromes. Roots of 61 species common in boreal zone were studied: 16 species of Poaceae, 24 species of Cyperaceae, 14 species of Orchidaceae, and 7 species of Iridaceae. Using a fixed material of 5 individuals of each species, the following was determined: number of orders of branching roots; transverse dimensions of root, stele and cortex; number of primary xylem vessels and exodermis layers; length of root hairs; abundance of mycorrhiza. Species of each family had well-defined syndromes. Roots of Orchidaceae and Iridaceae were thick with a large stele and developed exodermis. Orchidaceae had no branching roots and had long root hairs. In Iridaceae, roots were branched, and root hairs were short. Roots of Poaceae and Cyperaceae were thin with a relatively thin stele. Root hairs were short in Poaceae and long in Cyperaceae. Our finding that root syndromes of four families of monocots differed is a new and unexpected discovery. The high specificity of root syndromes in Cyperaceae, Iridaceae, Poaceae, and Orchidaceae indicates that species of these families use different strategies to obtain water and soil nutrients.

关键词: Monocots, Poaceae, Cyperaceae, Orchidaceae, Iridaceae, Syndromes of roots structure

Abstract: The present article tests the following general assumption: plant taxa with different specializations towards mycorrhizal interactions should have different root syndromes. Roots of 61 species common in boreal zone were studied: 16 species of Poaceae, 24 species of Cyperaceae, 14 species of Orchidaceae, and 7 species of Iridaceae. Using a fixed material of 5 individuals of each species, the following was determined: number of orders of branching roots; transverse dimensions of root, stele and cortex; number of primary xylem vessels and exodermis layers; length of root hairs; abundance of mycorrhiza. Species of each family had well-defined syndromes. Roots of Orchidaceae and Iridaceae were thick with a large stele and developed exodermis. Orchidaceae had no branching roots and had long root hairs. In Iridaceae, roots were branched, and root hairs were short. Roots of Poaceae and Cyperaceae were thin with a relatively thin stele. Root hairs were short in Poaceae and long in Cyperaceae. Our finding that root syndromes of four families of monocots differed is a new and unexpected discovery. The high specificity of root syndromes in Cyperaceae, Iridaceae, Poaceae, and Orchidaceae indicates that species of these families use different strategies to obtain water and soil nutrients.

Key words: Monocots, Poaceae, Cyperaceae, Orchidaceae, Iridaceae, Syndromes of roots structure

Anna A. Betekhtina, Daria E. Tukova, Denis V. Veselkin. Root structure syndromes of four families of monocots in the Middle Urals[J]. Plant Diversity, 2023, 45(06): 722-731.

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Root structure syndromes of four families of monocots in the Middle Urals

Root structure syndromes of four families of monocots in the Middle Urals

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