Wind Speed Effect On The Perspiration Of The Sygonium Sp.

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Wind speed effect on the perspiration of the sygonium SP.


Does wind speed have an effect on the perspiration of the sygonium SP? Stomatic perspiration is regulated by stomata, which are pores that are found on the surface of the plant, mainly on the leaves, are a path for the gaseous exchange between the atmosphere and the plant (Manual of Plant Physiology Practices, 2001). The wind can remove the limiting layer according to Golberg (2010) in calm air conditions, an increase in the foliar temperature and increased vapor depression deficit of the boundary layer causes a decrease in perspiration. The hypothesis of this experiment is that the wind has an effect on the perspiration of the plant, so, by increasing wind speed, it will increase the perspiration of the same.


In the laboratory, the petiole is immersed in water making a cut in the plant (Sygonium sp), to avoid breaking the water column in the xylem. Then, by using a pipeter, the hose with water is filled over the capacity brand, avoiding bubble formation. At the base of the peciolo of the plant near the cut, rolled paraphilm paper is placed, it is introduced into the union with the 2ml volumetric pipette and is reinforced with paraphilm paper. The pipeter is removed quickly, since it can generate negative pressure and form bubbles in the system. Subsequently, he proceeds to be afforated with a pasteur pipette. Half of the potometers made will go to wind treatment provided by two fans and the remaining half, for 30 minutes the change of volume in the volumetric pipette of 2ml was noted. Finally, the contour of the plant leaf is measured on a grid sheet.

It is necessary to mention that the statistical test T (of Student) is used to be able to assess whether there are differences between the averages of the treatments (absence and presence of wind) of the experiment.


According to the experiment performed, wind treatment has an average volume in milliliters of 0.042 ± 0.026 of water consumed. On the other hand, wind treatment has an average volume in milliliters of 0.022 ± 0.010 of water consumed as shown in Figure 1. Both treatments were measured in a period of 30 minutes. With respect to the data calculated using T (of Student) are (t = 1.65; g.L = 5;p> 0.0798), so there are no differences between averages.


Wind speed during the experiment did not affect the perspiration of the Sygonium SP. The experiment could be affected by measuring the volume of water consumed for only 30 minutes, if time is increased, it is possible that significant differences be obtained between the averages of the treatments in the absence of wind and presence of wind. However, different authors such as Dixon & Grace (1984, cited in Kin and Ledent, S.f) They emphasize that it has been observed that with faster wind speed there are reductions in the perspiration of plants. The above may be due to the fact that a partial closure of the stomues occurred causing perspiration not to be altered (Kin and Ledent, S.F)

About error sources, there are small gas leaks in union of the plant with the 2ml volumetric pipette, making the change in the volume of water consumed less perceptible. As recommendations, the number of fans for the corresponding treatment could be increased, since this would affect the perspiration of the Sygonium SP.

Bibliographic references

  • Golberg, a. D. (2010). The wind and the life of plants. FCA UNCUYO magazine, (42), pp. 223-224. Recovered from http: // magazine.FCA.UNCU.Edu.AR/images/stories/pdfs/2010-01/t42_1_r01_golberg.PDF
  • LALLANA, v. H. And Lallana, M.C. (2001). Plant physiology practices manual. Concepción del Uruguay: National University of Entre Ríos (Uner). Recovered from http: // www.FCA.uner.Edu.AR/FILES/ACADEMIC/DEPTOS/CATEDRAS/PHYSIOLOGIAVEG/M_DIDACTIC/MANUAL_Practicas/Growth_AED.PDF
  • Kin, a.G and Ledent, J.F (s.F). Wind effects on plants. Retrieved from https: // INTA.Gob.AR/SITES/DEFAULT/FILES/SCRIPT-TMP-HAL _-_ WIND___4.PDF
  • ABSENCE OF WIND 9.8319208025017465E-3 9.8319208025017465E-3 Treatments 2.16666666666667E-2 presence of wind 2.639443859772212E-2 2.639443859772212E-2 Treatments 4.16666666666664E-2
  • Average volume of water consumed (ml)
  • ABSENCE OF WIND 1.5002222057637548E-3 1.5002222057637548E-3 Treatments 8.133333333333327E-3 presence of wind 2.2785960589801779E-3 2.2785960589801779E-3 Treatments 1.1900000000000001E-2
  • Average surface area (m2)

Free Wind Speed Effect On The Perspiration Of The Sygonium Sp. Essay Sample

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