水杨酸和锌协同作用对鸡冠形态和生化的影响

IF 2.2 4区农林科学 Q2 HORTICULTURE

Folia Horticulturae Pub Date : 2021-04-06 DOI:10.2478/fhort-2021-0006

A. Shoaib, M. Ferdosi, M. Saleem, Shabnam Javed

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引用次数: 3

摘要

摘要阿根廷青藤是一种可食用的植物，因其壮观的花朵而主要作为装饰品栽培，并因其独创性、独特的花朵外观和更好的花瓶寿命而受到园艺学家的高度赞赏。利用植物生长调节剂[水杨酸（SA）]和矿物质营养[锌（Zn）]是改善作物健康和产量的可持续方法。采用随机完全区组设计，对36个区组中的12个处理进行了田间试验，以研究SA（50 ppm和100 ppm）和Zn（ZnSO4：0.5 ppm、1.5 ppm和2.5 ppm）联合施用的有效性，以及当每种处理单独施用时对C.argenta var.cristata的营养、生殖和理化特性的影响。通过Tukey诚实显著性差异（HSD）测试、biplot和热图分析的结果表明，与对照组相比，当植物叶面施用100ppm SA和2.5ppm Zn时，生长属性显著提高了2.5倍。与对照组相比，所有处理都显著降低了过氧化氢酶（CAT）活性，提高了光合色素、总蛋白含量以及过氧化物酶（POX）和多酚氧化酶（PPO）活性，从而改变了植物的生理生化反应。结果表明，在花前期叶面施用SA（100ppm）+Zn（2.5ppm）可以获得更好的鸡冠花生长和开花品质。

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Morphological and biochemical variations induced by synergy of salicylic acid and zinc in cockscomb

Abstract Celosia argentea var. cristata is an edible plant mainly cultivated as an ornament for its spectacular flowering and is highly appreciated by horticulturists for its originality, unique appearance of flower and better vase life. Utilisation of plant growth regulator [salicylic acid (SA)] and mineral nutrition [zinc (Zn)] is a sustainable approach to ameliorate crop health and yield. A field experiment was performed on a randomised complete block design with 12 treatments in 36 blocks to investigate the effectiveness of the combined application of SA (50 ppm and 100 ppm) and Zn (ZnSO4: 0.5 ppm, 1.5 ppm and 2.5 ppm) as well as when each one is applied separately on vegetative, reproductive, physiochemical attributes in C. argentea var. cristata. Results analysed through Tukey's honestly significant difference (HSD) test, biplot and heat map indicated a significantly greater improvement up to 2.5 folds in the growth attributes when plants received foliar application of 100 ppm of SA combined with 2.5 ppm of Zn as compared to control group. All treatments modified the physiobiochemical responses of plants by lowering catalase (CAT) activity significantly, and enhancing photosynthetic pigments, total protein content and peroxidase (POX) and polyphenol oxidase (PPO) activities as compared to the control group. It was concluded that foliar application of SA (100 ppm) + Zn (2.5 ppm) at pre-flowering stage could be applied to obtain better growth and flower quality in cockscomb.

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来源期刊

Folia Horticulturae Agricultural and Biological Sciences-Horticulture

CiteScore

3.40

自引率

0.00%

发文量

审稿时长

16 weeks

期刊介绍： Folia Horticulturae is an international, scientific journal published in English. It covers a broad research spectrum of aspects related to horticultural science that are of interest to a wide scientific community and have an impact on progress in both basic and applied research carried out with the use of horticultural crops and their products. The journal’s aim is to disseminate recent findings and serve as a forum for presenting views as well as for discussing important problems and prospects of modern horticulture, particularly in relation to sustainable production of high yield and quality of horticultural products, including their impact on human health.