Morpho-physiological and phytochemical traits of gazania (Gazania rigens) affected by foliar application of bio-stimulants

Q3 Agricultural and Biological Sciences
Amir Foroutan Nia, Sanaz Bahman, H. Badi, A. Mehrafarin, M. Labbafi
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引用次数: 7

Abstract

Background: Gazania (Gazania rigens), a member of the Asteraceae family, is an ornamental plant that is cultivated on a large scale in gardens and landscapes. Material and Methods: : This experiment was carried out to evaluate the effects of bio-stimulants compounds on morpho-physiological and phytochemical traits of gazania on the basis of randomized complete blocks designed (RCBD) with three replications. The treatments included biostimulants of aminolforte, kadostim, fosnutren, humiforte (each of them at 2 and 4 L.ha-1), and control treatment (foliar spray with distillated water). Results: The effects of treatments were significant (pN0.01) on all of the traits except for the number of leaves and capitula per plant, and capitula diameter. The maximum amount of the plant height and total dry weight was obtained in the treatment of kadostim at 2 L.ha-1. The largest collar diameter of the stem and total fresh weight was observed in the treatment of aminolforte at 4 L.ha-1. The greatest diameter of the flower and stem was observed in the treatment of aminolforte and fosnutren at 2 L.ha-1, respectively. Also, the highest quantity of SPAD value, chlorophylls a and b, and total chlorophyll, carotenoids, and nitrogen content were related to the foliar application of aminolforte at 4 L.ha-1, but the highest percentage of potassium content was attained in humiforte treatment at 4 L.ha-1. In comparison, the least amount of all traits was observed in control treatment. Conclusions: The findings showed that the foliar applications of bio-stimulants based on bio-active amino acid compounds with a mixture of nutrients have positive effects on the growth, morphophysiological, and phytochemical traits of the gazania.
叶面施用生物刺激剂对gazania (gazania regens)形态生理和植物化学性状的影响
背景:Gazania (Gazania regens)是菊科植物,是园林和景观中大量种植的观赏植物。材料与方法:本试验采用随机完全区设计(RCBD),采用3个重复的方法,研究生物刺激物化合物对gazania形态生理和植物化学性状的影响。处理包括氨诺尔福特、卡多司汀、氟硝菊、腐植酸福特(剂量分别为2和4 L.ha-1)和对照处理(蒸馏水叶面喷施)。结果:除单株叶数、头状花序数和头状花序直径外,各处理对其他性状的影响均极显著(pN0.01)。kadostim处理的株高和总干重以2 L.ha-1处理最高。在4 L.ha-1的氨基forte处理下,茎颈直径和总鲜重最大。在2 L.ha-1的氨基甲酸酯和膦菊酯处理下,花和茎的直径最大。叶片SPAD值、叶绿素a、叶绿素b、总叶绿素、类胡萝卜素和氮素含量均与施氨复复处理(4 L.ha-1)有关,但钾含量百分比在施氨复复处理(4 L.ha-1)最高。相比之下,对照处理的所有性状数量最少。结论:在叶面施用以生物活性氨基酸化合物为基础的生物刺激剂,与多种营养物质混合使用,对gazania的生长、形态生理和植物化学性状有积极的影响。
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来源期刊
Eurasian Journal of Biosciences
Eurasian Journal of Biosciences Agricultural and Biological Sciences-Agricultural and Biological Sciences (all)
CiteScore
1.20
自引率
0.00%
发文量
0
期刊介绍: EurAsian Journal of BioSciences (Abbrev. Eurasia J Biosci or EJOBIOS) is an international, refereed electronic journal. It publishes the results of original research in the field of biological sciences restricted tomorphology, physiology, genetics, taxonomy, ecology and biogeography of both prokaryotic and eucaryotic organisms. The journal encourages submission of manuscripts dealing with plant biology, animal biology, plant physiology, microbiology, hydrobiology, ecology and environmental science, ethnobiology, biodiversity and conservation biology. EurAsian Journal of BioSciences publishes original articles in the following areas: -Agriculture, Fisheries & Food -Anatomy & Morphology -Behavioural Sciences -Biology, Biochemistry and Biotechnology -Biophysics -Biology Education -Cellular Biology and Anatomical Sciences -Ecology, Evolution & Environment -Entomology -Forestry -General Biology -Genetics & Heredity -Life Sciences - Other topics -Microbiology and Immunology -Molecular Biology -Mycology -Palaeontology -Parasitology -Pharmacology & Pharmacy -Physiology and Related Sciences -Plant Sciences -Toxicology -Veterinary Sciences -Virology -Zoology
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