Morphological and physiological responses of Calliandra haematocephala to water salinity stress and vermicompost

IF 16.4 1区化学 Q1 CHEMISTRY, MULTIDISCIPLINARY

Accounts of Chemical Research Pub Date : 2023-07-31 DOI:10.1590/2447-536x.v29i2.2555

H. Ashour, S. Heider, M. Soliman

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引用次数: 2

Abstract

Abstract Salinity is one of abiotic stress that affects plant growth and production. The objective of this study was to investigate the effect of salinity and vermicompost on morphology and physiology parameters of Calliandra haematocephala. The experiment was carried out with salinity treatments at 1000, 2000 3000 ppm in addition to the control (tap water, 280 ppm), vermicompost treatments at 5%, 10%, 15%, and 20% in addition to the control. The results indicated that increasing level of salinity resulted in reduction in vegetative growth and flowering parameters (plant height, number of branches/plant, stem diameter, root length, fresh and dry weights of leaves and roots/plant, number of flowers /plant, as well as fresh and dry weights of flowers /plant), total chlorophylls, total carbohydrates, K+%, Ca2+%, and K+/Na+ ratio, while increased proline, Na+ and Cl−% in the plants. Catalase (CAT), superoxide dismutase (SOD), Ascorbate peroxidase (APX) enzyme activities significantly increased with elevating salinity level from 0 to 3000 ppm. Application of vermicompost with any concentration had a positive effect on vegetative growth and flowering parameters, total chlorophylls, total carbohydrates, nutrient uptake, K+/Na+ ratio, proline content, enzyme activities and reducing accumulation of Na+ and Cl−% toxic ions in leaves. Based on the results, application of vermicompost at 20% recommended for alleviating the harmful efects of salinity on Calliandra haematocephala plants irrigated with saline water at concentration up to 3000 ppm.

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红头花萼对水盐胁迫和蚯蚓堆肥的形态生理响应

盐度是影响植物生长和生产的非生物胁迫之一。本研究旨在探讨盐度和蚯蚓堆肥对红头花椒形态和生理参数的影响。在对照(自来水280 ppm)的基础上，分别进行盐度为1000、2000、3000 ppm的处理，在对照基础上分别进行5%、10%、15%、20%的蚯蚓堆肥处理。结果表明，盐度升高导致植株营养生长和开花参数(株高、枝数/株、茎粗、根长、叶根/株鲜重和干重、花/株数、花/株鲜重和干重)、总叶绿素、总碳水化合物、K+%、Ca2+%和K+/Na+比值降低，脯氨酸、Na+和Cl - %升高。过氧化氢酶(CAT)、超氧化物歧化酶(SOD)、抗坏血酸过氧化物酶(APX)活性随盐度从0 ~ 3000 ppm的升高而显著升高。施用任何浓度的蚯蚓堆肥对植物的营养生长和开花参数、总叶绿素、总碳水化合物、养分吸收、K+/Na+比、脯氨酸含量、酶活性和减少叶片中Na+和Cl−%有毒离子的积累均有积极影响。在此基础上，建议施用20%的蚯蚓堆肥，以减轻含盐量高达3000 ppm的盐水灌溉对红头花萼的有害影响。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Accounts of Chemical Research 化学-化学综合

CiteScore

31.40

自引率

1.10%

发文量

312

审稿时长

2 months

期刊介绍： Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance. Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.