Utilizing the γ-Irradiated Sodium Alginate as a Plant Growth Promoter for Enhancing the Growth, Physiological Activities, and Alkaloids Production in Catharanthus roseus L.

Agricultural Sciences in China Pub Date : 2011-08-01 DOI:10.1016/S1671-2927(11)60112-0

Mohd Idrees , Mohd Naeem , Masidur Alam , Tariq Aftab , Nadeem Hashmi , Mohd Masroor Akhtar Khan , Moinuddin , Lalit Varshney

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引用次数: 46

Abstract

Sodium alginate is a polysaccharide that is largely obtained from the brown algae (Sargassum sp.). It has been used as a wonderful growth promoting substance in its depolymerized form for various plants. The aim of this study was to find out the effects of various concentrations of γ-irradiated sodium alginate (ISA), viz., deionized water (control, T₀), 20 (T₁), 40 (T₂), 60 (T₃), 80 (T₄), and 100 ppm (T₅) on the agricultural performance of Catharanthus roseus L. (Rosea) in terms of growth attributes, photosynthesis, physiological activities, and alkaloid production. The present work revealed that ISA applied as leaf-sprays at concentrations from 20 to 100 ppm might improve growth, photosynthesis, physiological activities, and alkaloid production in C. roseus L. significantly. Of the various ISA concentrations, 80 ppm proved to be the best one compared to other concentrations applied.

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利用γ辐照海藻酸钠作为植物生长促进剂促进长春花的生长、生理活性和生物碱的产生。

海藻酸钠是一种主要从褐藻(马尾藻)中提取的多糖。它的解聚形式已被用作各种植物的良好生长促进物质。本研究旨在探讨不同浓度γ辐照海藻酸钠(ISA)，即去离子水(对照，T0)、20 (T1)、40 (T2)、60 (T3)、80 (T4)和100 ppm (T5)对玫瑰花(Catharanthus roseus L.)生长性状、光合作用、生理活性和生物碱产量的影响。本研究表明，在20 ~ 100 ppm的浓度范围内喷施ISA可显著促进玫瑰香薷的生长、光合作用、生理活性和生物碱的产生。在各种ISA浓度中，与其他应用浓度相比，80 ppm被证明是最佳浓度。

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Agricultural Sciences in China AGRICULTURE, MULTIDISCIPLINARY-

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3.2 months