Effects of Potassium on Growth and Wood Anatomy of a Populus Hybrid


  • Bruce E. Cutter
  • Wayne K. Murphey


Hybrid poplar, potassium, specifie gravity, cell length, fiber length, fiber width, fiber wall thickness, vessel element length, vessel element width, vessel element thickness, tissue volumes, foliar analyses


The effects of five levels of potassium in nutrient solution on stem characteristics and wood anatomy were studied using hybrid poplar clone NE-49 (Populus maximowiczii X P. X berolinensis Dipp). Stems grown in 2 and 50 ppm K solutions were tallest and heaviest. Percentages of wood and pith seen in the cross section varied among treatments, but the percentage of bark remained the same. Regression equations were developed indicating relationships between cell dimensions and solution potassium level. Both vessel element and fiber lengths and diameters were affected by potassium levels as was vessel element cell-wall thickness. Fiber cell-wall thickness was not influenced by the treatment.


Baker, D. E., G. W. Gorsline, C. B. Smith, W. I. Thomas, W. E. Grube, and J. B. Raglund. 1964. Technique for rapid analyses of corn leaves for eleven elements. Agron. J. 54: 133-136.nBonner, F. T., and W. M. Broadfoot. 1967. Growth response of eastern cottonwood to nutrients in sand culture. USDA Forest Serv. Res. Note SO-65. 4 pp.nBurkart, L. F. 1966. New technique for maceration of woody tissue. For. Prod. J. 16(7): 51.nCech, M. V., R. W. Kennedy, and J. H. G. Smith. 1960. Variation in some wood quality attributes of one-year-old black cottonwood. Tappi 43:857-858.nEinsphar, D. W. 1971. Growth and nutrient uptake of aspen hybrids using sand culture techniques. Silvae Genetica 20:132-137.nFoulger, A. N., and J. Hacskaylo. 1968. Stem anatomy variations in cottonwood growing under nutrient-deficient conditions. USDA Forest Serv. Res. Paper NC-23. Pp. 41-47.nFoulger, A. N., E. A. Shire, and R. Freese. 1971. Effect of nutrient concentration on the stem anatomy of eastern cottonwood seedlings. Wood Fiber 2:340-346.nFoulger, A. N., R. Freese, and E. A. Shire. 1972. Effect of nutrient concentration on the stem anatomy of white ash seedlings. Wood Fiber 4:112-114.nHacskaylo, J., and J. P. Vimmerstedt. 1967. Appearance and chemical composition of eastern cottonwood grown under nutrient-defieient conditions. Ohio Agric. Res. Devel. Center Res. Bull. 1004. 19 pp.nKellogg, R. M., and F. F. Wangaard. 1969. Variations in cell wall and wood substance density. Pages 100-102. In D. H. Page, ed. The physics and chemistry of wood pulp fibers.nKennedy, R. W., and J. H. G. Smith. 1959. The effects of some genetic and environmental factors on wood quality in poplar. Pulp Paper Mag. Canada 60(2):T35-T36.nMurphey, W. K., and J. C. McAdoo. 1969. Effect of nutrient deficiencies on tensile properties of Robinia pseudoacacia. For. Sci. 15: 151-153.nMurphey, W. K., S. L. Brady, and M. J. Behan. 1969. Anatomy and physical properties of two-year western larch seedlings grown in mineral deficient solutions. For. Prod. J. 19(12):28-31.nMurphey, W. K., J. Hacskaylo, and F. M. Lamb. 1962. The anatomy of Liquidambar styraciflua grown in nutrient-deficient regimes. Paper presented at the Annual Meeting, Forest Prod. Res. Soc. San Francisco, Calif.nReifsnyder, W. E., and H. W. Lull. 1965. Radiant energy in relation to forests. USDA Forest Serv. Tech. Bull. No. 1344. 111 pp.nSass, J. E. 1958. Botanical microtechnique. Iowa State Univ. Press. Ames, Iowa. 224 pp.nSmith, E. M. 1954. Maximum moisture content method for determining specific gravity of small wood samples. USDA Forest Serv. Forest Prod. Lab. Rep. No. 2014.nStamm, A. J. 1964. Wood and cellulose science. Ronald Press. New York. Pp. 55-63.nSteel, R. D. G., and J. H. Torrie. 1960. Principles and procedures of statistics. McGraw-Hill. Pp. 156-158.nStout, A. B., and E. J. Schreiner. 1933. Results of a project in hybridizing poplars. J. Heredity 24:216-229.nWendel, G. W. 1972. Results of a 20-year test of hybrid poplars in West Virginia. USDA For. Serv. Res. Pap. NE-237. 5 pp.nZiegler, H. 1964. The storage, mobilization, and distribution of reserve material in trees. Pages 303-320. In M. H. Zimmerman, ed. Formation of wood in forest trees. Academic Press. New York.n






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