Salicylic acid

Salicylic Acid (SA) functions as an ‘effective therapeutic agent’ for plants. SA is the natural chemical found in White willow (Salix alba), famous for being beneficial to other plants. Salicylic acid (SA) is a phenolic phytohormone and is found in plants with roles in plant growth and development, photosynthesis, transpiration, ion uptake and transport. SA also induces specific changes in leaf anatomy and chloroplast structure. SA is involved in endogenous signaling, mediating in plant defense against pathogens. It plays a crucial role in the regulation of physiological and biochemical processes during the entire lifespan of the plant. It is involved in endogenous signaling, mediating in plant defense against pathogens by inducing the production of pathogenesis-related proteins.

Salicylic acidSalicylic acid plays an important role in the regulation of the abiotic stress. Application of the appropriate concentration of SA enhances tolerance to abiotic stresses, thereby not only mitigating the damaging effects of abiotic stress tolerance but also enhancing biotic stress tolerance. The important characteristic of SA application is the concentration of applied SA and the method of application, such as foliar spray and hydroponic culture. These methods depend on the plant species; therefore, contradictory results can be reported. Generally, low concentrations or the transient application of SA promotes plant tolerance to abiotic stresses, and high concentrations or the continual application of SA induce inhibitory effects on plant growth and reduce tolerance. It is clear that SA is a very promising compound for the reduction of the abiotic stress sensitivity of numerous plant species.

Salicylic Acid Functions (In Plants):

* Activates plant survival responses to Abiotic stressors (such as drought, chilling, heavy metal toxicity, heat, and osmotic stress).

* Activates the genes plants use to produce the chemicals they use in defense of Biotic pathogen stressors.

* Signals Systemic Acquired Resistance (SAR): When a pathogen attacks one part of the plant SA induces resistance in other parts.

* Signals nearby plants into defense by converting salicylic acid into methyl salicylate, its volatile ester gas form,

* Inhibits auxin/IAA signaling (part of the SA-mediated disease-resistance mechanism).

* Inhibits seed germination.

1. In tomatoes foliar applications of SA has positive effects on fruit characteristics, plant growth, chlorophyll content in leaves, early yield and total yield.
Click link”  (0.5mMol SA = 69ppm SA )

2. Exogenous application of Salicylic acid for inducing Systemic Acquired Resistance against Tomato stem canker disease.
Click link”  (0.4mMol SA = 55ppm SA )

3. Foliar Application of Salicylic Acid and Calcium on Yield, Yield Component and Chemical properties of Strawberry.
Click link”  (0.25mMol SA = 35ppm SA )

4. In chili (Sakata 461) field application of SA has enhanced significantly plant height and freshness, spray interval every 3 weeks at 80ppm SA.

5. Effect of salicylic acid treatments on storage life of peach fruits.”Click link

6. Caution  :  Higher concentrations did not prove to be beneficial for foliar spray, 14~80 ppm SA at 2~3 week interval to avoid plant phytotoxic, plants from seeds imbibed in a high concentration of SA 1 mMol (140ppm) did not show any alteration of chilling tolerance, whereas low concentrations of SA (0.1–0.5 mM) promoted tolerance to chilling stress in bean and tomato (Senaratna et al., 2000).

* Physical State : Liquid
* Storage : Store in cool place. Keep container tightly closed in a dry place.                        Light sensitive
* Color : Clear yellowish
* pH : 3-4
* Concentration : 2.19 %
* Unit price : RM25 / 5liter

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