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Termokapl Higrometre/Psikrometre ile Yaprak Su Potansiyelinin Ölçülmesi

Year 1995, Volume: 8 Issue: 1, 380 - 392, 01.12.1995

Abstract

Bitkiler, toprak ve atmosferik çevrelerini bünyelerinde birleştirdiklerinden sulama programlamasında bitkiyi baz alan su durumu değerlendirmeleri son yıllarda giderek artan bir önem kazanmıştır.
Bitki su durumunun ifade edilmesinde genellikle doku veya organ su potansiyeli (ψ) kullanılmaktadır. Bu potansiyellerin belirlenmesinde termokapl higrometrelerin / psikrometrelerin geniş kullanım alanları vardır.
Tarla koşullarında yaprak su potansiyelinin izlenmesi, teknik ve deneysel olarak bazı problemler içermektedir. Bitki su potansiyelini ölçen birçok standart yöntemler bulunmasına rağmen bu yöntemler uygulama ve zaman yönünden bazı sınırlamalara sahiptir.
Bu makalede, yaprak su potansiyelinin ölçümüne ilişkin temel kavramların açıklanması ve su potansiyelinin tarla koşullarında ölçümüne olanak sağlayan "Çiğlenme Noktası Higrometresi /Psikrometresi" aletinin ayrıntılı olarak gözden geçirilmesi amaçlanmıştır.

References

  • 1. Grimes, D.W., Yamada, H. and Hughes, S.K. Climate-normalized Cotton Leaf Water Potentials for Irrigation Scheduling. Agricultural Water Management., 12 (293-304 ), 1987.
  • 2. Yeşilsoy, M.Ş., Tüzüner, A. Termokapl Psikrometre ve Bunlarla Su Potansiyelinin ölçülmesi. Topraksu Dergisi, No:35, S 7-16, 1972.
  • 3. Boyer, J.S. Measurement of the Water Status of Plants. Annu. Rev. Plant Physiol. 20:351-364, 1969.
  • 4. Hsiao, T.C. and Bradford, K.J. Physiological Consequences of Cellular Water Deficits. Limitations to Efficient Water Use in Crop Production. P 227-265, 1983.
  • 5. Hsiao, T.C. Measurements of Plant Water Status. Irrigation of Agricultural Crops. Ed. By. B.A. Stewart and D.R. Nielsen, No:30, P 1243, 1990.
  • 6. Campbell, E.C., Campbell, G.S., Barlow, W.K. A Dewpoint Hygrometer for Water Potential Measurement. Agricultural Meteorology 12: 113-121, 1973.
  • 7. Campbell, G.S. and Campbell, M.D. Evaluation of a Thermocouple Hygrometer for Measuring Leaf Water Potential In Situ. Agronomy Journal, 66:24-27, 1974.
  • 8. Bielorai, H., Hopmans, P.A.M. Recovery of Leaf Water Potential, Transpiration, and Photosynthesis of Cotton During Irrigation Cycles. Agronomy Journal, 67:629-632, 1975.
  • 9. Brown, P.W. and Tanner, C.B. Alfalfa Water Potential Measurement: A Comparison of the Pressure Chamber and Leaf Dew Point Hygrometers. Crop Science, 21:240-244, 1981.
  • 10. Bennett, J.M., Cortes, P.M. and Lorens, G.F. Comparison of Water Potential Components Measured with a Thermocouple Psychrometer and a Pressure Chamber and the Effects of Starch Hydrolysis. Agronomy Journal, 78:239-244, 1986.
  • 11. Wright, G.C., Rahmianna, A. and Hatfield, P.M. A Comparison of Thermocouple Psychrometer and a Pressure Chamber Measurements of Leaf Water Potential in Peanuts. Expl. Agric. Vol 24, p 355-359, 1988.
  • 12. Savage, M.J., Wiebe, H.H. and Cass, A. In Situ Field Measurement of Leaf Water Potential Using Thermocouple Psychrometer. Plant Physiol. 73:609-613.
  • 13. Schaefer, N.L. Trickett, E.S., Ceresa, A. and Barrs, H.D. Continuous Monitoring of Plant Water Potential. Plant Physiol. 81:45-49, 1986.
  • 14. Meron. M., Grimes, D.W., Phene, C.J. and Davis, K.R. Pressure Chamber Procedures for Leaf Water Potential Measurements of Cotton. Irrig. Sci. 8:215-222, 1987.
  • 15. Stanley. C.D. Proper Use and Data Interpretation for Plant and Soil Water Status Measuring. Hort Sci. Vol 25,' P 12, 1990.
  • 16. Turner, N.C, and Burch, G.J. The Role of Water in Plants. Crop-Water Relations (Ed.by. I.D. Teare and M.M. Peet). John Wiley and Sons. USA, 73-126, 1983.
  • 17. Turner, N.C. Techniques and Experimental Approaches for the Measurement of Plant Water Status. Plant and Soil, 58:339-366, 1981.

Measuring of Leaf Water Potential Using Thermocouple Hygrometres/Psychrometres

Year 1995, Volume: 8 Issue: 1, 380 - 392, 01.12.1995

Abstract

Because plants integrate their soil and atmospheric environments, an increasing emphasis on plant based water status evaluation for irrigation scheduling has occurred in recent years.
There are some different parameters to express plant water potential. Most general of these parameters are tissue or organ water potentials (ψ). Thermocouple Hygrometers/Psych- rometers are the most useful instruments for measuring leaf water potentials.
Measuring of the plant water potential at the field conditions includes some problems such as techniques and experiments. In spite there are some methods for measuring plant
water potential these methods are limited in terms of application and time.
In this article, some information will be given about the methods are used for determining plant water potential and the "Dewpoint Hygrometer/Psychrometer" technique for measuring leaf water potential at the field conditions will be explained.

References

  • 1. Grimes, D.W., Yamada, H. and Hughes, S.K. Climate-normalized Cotton Leaf Water Potentials for Irrigation Scheduling. Agricultural Water Management., 12 (293-304 ), 1987.
  • 2. Yeşilsoy, M.Ş., Tüzüner, A. Termokapl Psikrometre ve Bunlarla Su Potansiyelinin ölçülmesi. Topraksu Dergisi, No:35, S 7-16, 1972.
  • 3. Boyer, J.S. Measurement of the Water Status of Plants. Annu. Rev. Plant Physiol. 20:351-364, 1969.
  • 4. Hsiao, T.C. and Bradford, K.J. Physiological Consequences of Cellular Water Deficits. Limitations to Efficient Water Use in Crop Production. P 227-265, 1983.
  • 5. Hsiao, T.C. Measurements of Plant Water Status. Irrigation of Agricultural Crops. Ed. By. B.A. Stewart and D.R. Nielsen, No:30, P 1243, 1990.
  • 6. Campbell, E.C., Campbell, G.S., Barlow, W.K. A Dewpoint Hygrometer for Water Potential Measurement. Agricultural Meteorology 12: 113-121, 1973.
  • 7. Campbell, G.S. and Campbell, M.D. Evaluation of a Thermocouple Hygrometer for Measuring Leaf Water Potential In Situ. Agronomy Journal, 66:24-27, 1974.
  • 8. Bielorai, H., Hopmans, P.A.M. Recovery of Leaf Water Potential, Transpiration, and Photosynthesis of Cotton During Irrigation Cycles. Agronomy Journal, 67:629-632, 1975.
  • 9. Brown, P.W. and Tanner, C.B. Alfalfa Water Potential Measurement: A Comparison of the Pressure Chamber and Leaf Dew Point Hygrometers. Crop Science, 21:240-244, 1981.
  • 10. Bennett, J.M., Cortes, P.M. and Lorens, G.F. Comparison of Water Potential Components Measured with a Thermocouple Psychrometer and a Pressure Chamber and the Effects of Starch Hydrolysis. Agronomy Journal, 78:239-244, 1986.
  • 11. Wright, G.C., Rahmianna, A. and Hatfield, P.M. A Comparison of Thermocouple Psychrometer and a Pressure Chamber Measurements of Leaf Water Potential in Peanuts. Expl. Agric. Vol 24, p 355-359, 1988.
  • 12. Savage, M.J., Wiebe, H.H. and Cass, A. In Situ Field Measurement of Leaf Water Potential Using Thermocouple Psychrometer. Plant Physiol. 73:609-613.
  • 13. Schaefer, N.L. Trickett, E.S., Ceresa, A. and Barrs, H.D. Continuous Monitoring of Plant Water Potential. Plant Physiol. 81:45-49, 1986.
  • 14. Meron. M., Grimes, D.W., Phene, C.J. and Davis, K.R. Pressure Chamber Procedures for Leaf Water Potential Measurements of Cotton. Irrig. Sci. 8:215-222, 1987.
  • 15. Stanley. C.D. Proper Use and Data Interpretation for Plant and Soil Water Status Measuring. Hort Sci. Vol 25,' P 12, 1990.
  • 16. Turner, N.C, and Burch, G.J. The Role of Water in Plants. Crop-Water Relations (Ed.by. I.D. Teare and M.M. Peet). John Wiley and Sons. USA, 73-126, 1983.
  • 17. Turner, N.C. Techniques and Experimental Approaches for the Measurement of Plant Water Status. Plant and Soil, 58:339-366, 1981.
There are 17 citations in total.

Details

Primary Language Turkish
Subjects Agricultural Engineering
Journal Section Articles
Authors

Ruhi Baştuğ This is me

Suat Irmak This is me

Publication Date December 1, 1995
Published in Issue Year 1995 Volume: 8 Issue: 1

Cite

APA Baştuğ, R., & Irmak, S. (1995). Termokapl Higrometre/Psikrometre ile Yaprak Su Potansiyelinin Ölçülmesi. Akdeniz University Journal of the Faculty of Agriculture, 8(1), 380-392.
AMA Baştuğ R, Irmak S. Termokapl Higrometre/Psikrometre ile Yaprak Su Potansiyelinin Ölçülmesi. Akdeniz University Journal of the Faculty of Agriculture. December 1995;8(1):380-392.
Chicago Baştuğ, Ruhi, and Suat Irmak. “Termokapl Higrometre/Psikrometre Ile Yaprak Su Potansiyelinin Ölçülmesi”. Akdeniz University Journal of the Faculty of Agriculture 8, no. 1 (December 1995): 380-92.
EndNote Baştuğ R, Irmak S (December 1, 1995) Termokapl Higrometre/Psikrometre ile Yaprak Su Potansiyelinin Ölçülmesi. Akdeniz University Journal of the Faculty of Agriculture 8 1 380–392.
IEEE R. Baştuğ and S. Irmak, “Termokapl Higrometre/Psikrometre ile Yaprak Su Potansiyelinin Ölçülmesi”, Akdeniz University Journal of the Faculty of Agriculture, vol. 8, no. 1, pp. 380–392, 1995.
ISNAD Baştuğ, Ruhi - Irmak, Suat. “Termokapl Higrometre/Psikrometre Ile Yaprak Su Potansiyelinin Ölçülmesi”. Akdeniz University Journal of the Faculty of Agriculture 8/1 (December 1995), 380-392.
JAMA Baştuğ R, Irmak S. Termokapl Higrometre/Psikrometre ile Yaprak Su Potansiyelinin Ölçülmesi. Akdeniz University Journal of the Faculty of Agriculture. 1995;8:380–392.
MLA Baştuğ, Ruhi and Suat Irmak. “Termokapl Higrometre/Psikrometre Ile Yaprak Su Potansiyelinin Ölçülmesi”. Akdeniz University Journal of the Faculty of Agriculture, vol. 8, no. 1, 1995, pp. 380-92.
Vancouver Baştuğ R, Irmak S. Termokapl Higrometre/Psikrometre ile Yaprak Su Potansiyelinin Ölçülmesi. Akdeniz University Journal of the Faculty of Agriculture. 1995;8(1):380-92.