Plants of various monocot families differ in nitrogen and phosphorus content in leaves

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The content of N and P in the leaves of the following five families of monocots was studied: Poaceae, Cyperaceae, Orchidaceae, Iridaceae, Amaryllidaceae. It was found that species of different families of monocots had different N and P content and ratio in their leaves. N content was low in Iridaceae and high in Amaryllidaceae. P content was the lowest in Cyperaceae and Poaceae and the highest in Amaryllidaceae and Iridaceae. The minimum N/P ratio was in Iridaceae, the maximum in Poaceae. Thus, the content of N and P and their ratio is specific in different families of monocots.

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作者简介

А. Betekhtina

Ural Federal University

编辑信件的主要联系方式.
Email: A.A.Betekhtina@urfu.ru
俄罗斯联邦, Ekaterinburg

N. Reutova

Ural Federal University

Email: A.A.Betekhtina@urfu.ru
俄罗斯联邦, Ekaterinburg

D. Veselkin

Institute of Plant and Animal Ecology, Ural Branch of the Russian Academy of Sciences

Email: A.A.Betekhtina@urfu.ru
俄罗斯联邦, Ekaterinburg

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2. Fig. 1. Distribution of monocotyledonous family species (● – Amaryllidaceae; ● – Cyperaceae; ● – Iridaceae; ● – Orchidacea; ● – Poaceae) in the space defined by the content of N and P in the leaves. A single red arrow marks the point characterizing the N and P content in Avena sativa leaves on cultivated soil without additional fertilization. The range of N and P content in the leaves of this species when grown on additionally fertilized soil is shown by horizontal and vertical scales. A double red arrow marks the point characterizing the content of N and P in the leaves of Miscanthus sacchariflorus.

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Presented by Academician of the RAS V.N. Bolshakov


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