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Alleviatory effects of phosphorus on growth inhibition of seawater--stressed aloe seedlings

Jing Shao, Ling Liu, Zhaopu Liu, Qingsong Zheng, Ning Jianfeng

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Abstract

Effects of different P levels on dry matter accumulation, leaf elongation rate, chlorophyll content, root vigor, K+, Na+, Ca2+, Mg2+, Cl-contents of aloe seedings under 30% concentration of seawater were studied. The results showed that addition of P increased significantly plant dry weight, promoted markedly leaf elongation rate, chlorophyll contents and root vigor, decreased the electrolytic leakage of leaves. Addition of P also decreased significantly Na+, Cl- contents, promoted K+, Ca2+ transport to shoot, maintained high K+/ Na+ ,Ca2+/ Na+ and SK,Na in aloe leaves, improved ion homeostasis in leaves, this was one of the main causes of the alleviatory effects of P on growth inhibition of seawater-stressed aloe seedlings.

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What this paper is about

Effects of different P levels on dry matter accumulation, leaf elongation rate, chlorophyll content, root vigor, K+, Na+, Ca2+, Mg2+, Cl-contents of aloe seedings under 30% concentration of seawater were studied. The results showed that addition of P increased significantly plant dry weight, promoted markedly leaf elongation rate, chlorophyll contents and root vigor, decreased the electrolytic leakage of leaves. Addition of P also decreased significantly Na+, Cl- contents, promoted K+, Ca2+ transport to shoot, maintained high K+/ Na+ ,Ca2+/ Na+ and SK,Na in aloe leaves, improved ion homeostasis in leaves, this was one of the main causes of the alleviatory effects of P on growth inhibition of seawater-stressed aloe seedlings.

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Available abstract

Effects of different P levels on dry matter accumulation, leaf elongation rate, chlorophyll content, root vigor, K+, Na+, Ca2+, Mg2+, Cl-contents of aloe seedings under 30% concentration of seawater were studied. The results showed that addition of P increased significantly plant dry weight, promoted markedly leaf elongation rate, chlorophyll contents and root vigor, decreased the electrolytic leakage of leaves. Addition of P also decreased significantly Na+, Cl- contents, promoted K+, Ca2+ transport to shoot, maintained high K+/ Na+ ,Ca2+/ Na+ and SK,Na in aloe leaves, improved ion homeostasis in leaves, this was one of the main causes of the alleviatory effects of P on growth inhibition of seawater-stressed aloe seedlings.

Key concepts: Elongation, Seawater, Chemistry, Shoot, Chlorophyll, Dry weight, Horticulture, Dry matter

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Alleviatory effects of phosphorus on growth inhibition of seawater--stressed aloe seedlings — Research Paper | ScholarLens