Aluminum Sulfate and Copper Sulfate Impact on Rosa hybrida | InformativeBD

Malihe Shahreki Nader, Yahya Dehghani Shuraki, and Hamid Reza Mobasser from the different institute of the Iran. wrote a research article about, Aluminum Sulfate and Copper Sulfate Impact on Rosa hybrida, entitled, Influence of aluminium sulfate and copper sulfate on some characteristic in Rosa hybrida. This research paper published by the Journal of Biodiversity and Environmental Sciences | JBES.an open access scholarly research journal on Biodiversity, under the affiliation of the International Network For Natural Sciences | INNSpub. an open access multidisciplinary research journal publisher.

Abstract

Flowers play a vital role in angiosperm reproduction; they are often pigmented and or perfumed to attract pollinators. However, despite its irreplaceable ecological role, the flowers are energetically expensive to maintain beyond their useful life, and therefore have a limited life-span that is usually taken away after pollination; causing senescence syndrome. Aluminum sulfate can decrease cut rose petal acidity and cause fixation of anthocyanin pigments and increase cut rose flowers vase. The role of aluminum sulfate to increase the vase life of cut flowers is not limited to lowering the pH of vase solution. The experiment was conducted at the research laboratory of education complex of zahedan (in iran). Laboratory lighting was provided by fluorescent lamps. The field experiment was laid out in randomized complete block design with factorial design with four replications. Analysis of variance showed that the effect of aluminium sulfate and copper sulfate on all characteristic was significant.

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Introduction

Flowers play a vital role in angiosperm reproduction; they are often pigmented and or perfumed to attract pollinators. However, despite its irreplaceable ecological role, the flowers are energetically expensive to maintain beyond their useful life, and therefore have a limited life-span that is usually taken away after pollination; causing senescence syndrome. Senescence of flower is a complex process, so often researchers mainly concentrate on changes occurring during petal senescence. Petals provide an excellent model system for the study of fundamental aspects of senescence (Rogers, 2006; Desai et al., 2012).

Senescence is a highly regulated final event of flower development that bears hallmarks of programmed cell death (PCD), resulting in colour changes, petal wilting, abscission of whole flower and flower parts with various physiological, biochemical and ultrastructural changes (Voleti et al., 2000; Wagstaff et al., 2003; Jones et al., 2005; Tripathi & Tuteja, 2007; Seo et al., 2009; Ichimura, 2010; Shahri, 2011). Roses are one of the most important cut flowers in the world (Şirin, 2011) and extremely perishable (Figueroa et al., 2005) as well as other cut flowers such as Eustoma grandiflorum (Hojjati et al., 2007; Farokhzad et al., 2005), Gerbera jamesonii (Nair et al., 2003). Short postharvest vase life is one of the most important problems in cut flowers (Zamani et al., 2011). 

So consider to maintaining postharvest quality of cut flowers is critical for preventing offlower post harvest losses. Senescence which is the main factor affecting on flower quality can be induced by several per and post- harvest factors e.g., water stress (Sankat and Mujaffar, 1994), amount of carbohydrates (Coorts, 1973; Ketsa, 1989), microorganisms (Van Doorn and Witte, 1991), ethylene effects (Wan & Miller, 2003) as documented in carnation and roses (Mayak and Halevy, 1980; Halevy and Mayak, 1981; Quesada and Valpuesta, 2000) and Lisianthus (Farokhzad et al., 2005; Hojjat et al., 2007) and cultivar differences, season, development stage at harvest and cultivated conditions (Doel and Wilkins, 1999). Application of some germicides has been suggested to prevent rapid proliferation of microorganisms and to decrease the longevity of cut flowers. Cut flower species respond to germicides variously.

Al2(SO4)3 has been recommended for maintaining the vase life of several cut flowers (Liao et al., 2001) and is used as an antimicrobial compound in commercial preservative solutions (Ichimura et al., 2006). Aluminum sulfate acidifies vase solution, diminishes bacterial proliferation and enhances water uptake (Tjeerd and Jaap, 2003; Hassanpour Asil et al., 2004). Roses and can be caused by physiological occlusion due to plant itself, microorganisms or air embolism (Van Doorn et al., 1989).

Also aluminum sulfate can decrease cut rose petal acidity and cause fixation of anthocyanin pigments and increase cut rose flower‟s vase life (Put Henriette et al., 1992; Tjeerd and Jaap, 2003; Hassanpour Asil et al., 2004). The role of aluminum sulfate to increase the vase life of cut flowers is not limited to lowering the pH of vase solution. Its effect is based at least in part, on its action as an antimicrobial agent in the solution (Liao et al., 2001).

More study is necessary to determine the effect of aluminum sulfate on vase life of cut flowers, specially cut roses as one of the most important cut flowers in the world. Van Meetereu et al. (2001) suggested that it must be used a combination of calcium chloride, sodium carbonate and copper sulfate solution as a basic standard for the preservative solution. Motivation and aims of the study are Influence of aluminium sulfate and copper sulfate on some characteristic in rosa hybrid.

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Source : Influence of aluminium sulfate and copper sulfate on some characteristic in Rosa hybrida