Will Plants Grow Using Benzoic Acid Instead of Water Essay Examples & Outline
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Will Plants Grow Using Benzoic Acid Instead of Water?
Benzoic acid is a crystalline solid that is colorless, and also represents an aromatic carboxylic acid. In many plants, it occurs naturally, and as far as the biosynthesis of secondary metabolites is concerned, it works as the intermediate. Benzoic acid further produces salts which can be utilized as food preservatives. It greatly inhibits growth of some bacteria, yeast, as well as mold (Amborabé 198). Different experiments have been conducted with the intention establishing the role of benzoic acid in vegetative growth characters, fatty acids composition, photosynthetic pigments, biochemical constituents, as well as seed yield.
Benzoic acid, it must be noted, is a precursor to numerous critical compounds. It is used by plants to create growth regulators and defensive compounds, and this significantly attracts pollinators. For plants to make benzoic acid, their chemical structure has to be modified, just in similar fashion that fatty acids are broken down by many organisms. However, despite benzoic acid being a vital precursor for numerous secondary and primary metabolites, its role in plants biosynthesis is yet to be elucidated fully.
In the case of Lemna Paucicostata, the role that benzoic acid plays in its flowering cannot be underscored. Normally, when grown on a medium of basal Bonner-Derivian, it does not flower. However, addition of benzoic acid to the medium results in substantial flowering. Benzoic acid is therefore required for flower initiation, and its continuous presence comes in handy in ensuring maximal flowering (Huang 164). Usage of benzoic acid should, however, be regulated, especially since its continued usage could stimulate profuse flowering. In the case of Zinna Elegans, studies show that benzoic acid has registered massive success when it comes to leaf development. This is especially so when applied to the shoot apex of plants where fruitful results have been shown. Nutrient solutions that have benzoic acid have been shown by research to lower the auxin levels of fronds. Benzoic acid has therefore been proven to play a critical role in leaf histogenesis.
Benzoic acid is salicylic acid’s biosynthetic precursor. Salicylic acid represents an endogenous growth regulator whose nature is phenolic. It plays a critical role in plants’ physiological processes. Various studies have concluded that benzoic acid’s exogenous application lead to a marked improvement as far as growth characters are concerned. These include factors like a plant’s dry weight, as well as the number of leaves and branches (Kaur 89). The plant height also increases impressively.
Other factors that are improved by the addition of benzoic acid during plant growth include photosynthetic includes, and these include factors like chlorophyll b, chlorophyll a, as well as chlorophyll (a+b). This consequently increases carotenoids and the total pigments. Through the addition of benzoic acid, it was noted that seed yield increases significantly in some plants, as well as the factors that go with it like the dry weight of seeds and pods. Further, the biochemical constituents of the seeds also showed great improvement. These include both the phenolic and flavonoid content, as well as carbohydrate and protein levels. Benzoic acid is instrumental in causing the increment of total essential fatty acids, as well as unsaturated fatty acids. Its promotive effect as far as plant growth is concerned s therefore evident.
Studies have suggested that benzoic acid has various effects on growth, chlorophyll content and mineral of different plants such as soybean (Sawada 96). Organic acids are critical allelochemicals which are water-soluble, and which can be traced in soils that are infested with quackgrass. They are involved in numerous processes, and their role in plant development and growth cannot be underscored. In the case of soybean, benzoic acid was found to reduce the shoot and root dry biomass.
Plants that were treated had less lateral roots, and a keen analysis reveals that they are likely to grow more horizontally than is the norm. Lateral roots were not only less flexible, they were also greatly stunted. The amounts of SO 4(2- ), CI (-), Mn, Mg, K, and P were lower, whereas Fe and Zn contents were greater in the roots of the plants that have grown using benzoic acid (Sawada 197). This is as compared to plants that are untreated.
Shoots of plants that have been grown using allelochemicals have always exhibited a higher accumulation of Zn, Mg, and Ca, while also having reduced Fe, and P contents. In the case of soybean, therefore, it has been revealed that benzoic acid has the effect of reducing the chlorophyll content in leafs. Benzoic acid is therefore accountable for the deleterious allelopathic effects that quackgrass has on soybean. It greatly inhibits root grass, because it alters both the transportation and uptake of ion.
Most studies seem to point to the conclusion that benzoic acid has more pros than cons when used in plant growth. When used as foliar treatment at varying concentrations, it was shown that benzoic acid gradually increases plant growth characters. Improving crop plants productivity through the exogenous application of probable growth regulators has been hailed as an effective technique. Benzoic acid has particularly been testified to induce critical effects in plants’ biological aspects (Amborabé 1100). It is in a variable manner that these compounds influence. They enhance certain processes while inhibiting others.
Research indicates that benzoic is a critical factor in plant growth, largely due to the stimulatory effects that it has on vegetative growth parameters. Examples of plants where benzoic acid has yielded positive results include maize and beans. The stimulatory effect that benzoic acid exhibits could be tied to its photosynthesizing tissue (Huang 165). The fact that plants in dry weight implies that the number of leaves and branches has been increased, and this greatly promotes the photosynthetic process. The promotive effect that benzoic acid exhibits could further be tied to its bio regulator effects on both biochemical and physiological processes that occur in plants.
These include ion uptake, increase in plants antioxidant capacity, cell elongation, protein synthesis, cell division, enzymatic activities, cell differentiation, as well as sink regulation. Benzoic acid positively influences chlorophyll pigments, and this consequently plays the key role of capturing light for photosynthesis. Benzoic acid, it must be noted, also has a stimulative effect at different concentrations and this ensures effective photosynthetic pigments.
The conclusion that most studies make on the role of benzoic acid in plant growth is that it increases photosynthetic rate, facilitates gas exchange attributes, enhances transpiration rate, as well as stomatal conductance (Scannerini 78). It has been suggested that benzoic acid is a critical component in plant growth in that it enhances the total photosynthetic rate, water use efficiency, as well as intercellular carbon dioxide. Further, it ensures increased mineral uptake, prevents chlorophyll degradation and protects chloroplasts. The conclusion therefore is that benzoic acid not only increases growth, it also increase seed yield quantity and photosynthetic pigments.
Amborabé, Bénigne-Ernest. "Antifungal effects of salicylic acid and other benzoic acid derivatives towards Eutypa lata: structure–activity relationship." Plant Physiology and Biochemistry (2002): 1051–1060. Print.
Huang, Weidong. "Salicylic acid synthesized by benzoic acid 2-hydroxylase participates in the development of thermotolerance in pea plants." Plant Science (2006): 226–233. Print.
Kaur, Harleen. "Cellular evidence of allelopathic interference of benzoic acid to mustard (Brassica juncea L.) seedling growth." Plant Physiology and Biochemistry (2005): 77–81. Print.
Sawada, Hiroko. "Induction of benzoic acid 2-hydroxylase and salicylic acid biosynthesis—Modulation by salt stress in rice seedlings." Plant Science (2006): 263–270. Print.
Scannerini, Silvano. "Effect of benzoic acid hydroxy- and methoxy- ring substituents during cucumber (Cucumis sativus L.) germination. I.: Isocitrate lyase and catalase activity." Plant Science (2009): 139–147. Print.