Summary
Growth and carbon allocation of a cool season tussock grass, Agropyron desertorum, following defoliation of newly initiated tillers in the autumn of 1988 and 1989 were investigated. Tiller density and mortality, reproductive shoot density, root density, biomass, individual tiller weight, carbon allocation, and soil water depletion were used to evaluate the response of A. desertorum to autumn grazing. Tiller recruitment was lower in the autumn-defoliated treatment in both years compared with the control because of the cessation of tiller development following autumn defoliation. Autumn defoliation also significantly reduced the movement of 13C to the roots in 1988 but not in 1989. Soils were cooler and drier in 1989. Other plant growth measurements and soil water depletion rates were not different between treatments. Autumn defoliation in 1988 did not influence tiller recruitment in the following autumn. Two consecutive years of autumn defoliation did not affect tiller overwinter mortality or peak standing crop in 1990.
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References
Brown DA, Upchurch DR (1987) Minirhizotrons: a summary of methods and instruments in current use. pp. 15–30. In. Minirhizotron observation tubes: methods and applications for measuring rhizosphere dynamics. ASA Spec Publ No. 50
Caldwell MM, Richards JH, Johnson DA, Nowak RS, Dzurec RS (1981) Coping with herbivory: photosynthetic capacity and resource allocation in two semiarid Agropyron bunchgrasses. Oecologia 50:14–24
Chatterton NJ, Thornley WR, Harrison RA, Bennett HJ (1988) Dynamics of fructan and sucrose biosynthesis in crested wheatgrass. Plant Cell Physiol 29:1103–1108
Cook CW, Stoddart LS, Kinsinger FE (1958) Responses of crested wheatgrass to various clipping treatments. Ecol Mono 28:237–272
Deregibus VA, Trilca MJ, Jameson DA (1982) Organic reserves in herbage plants: their relationship to grassland management. pp. 257–290. In CRC Handbook of Agricultural Productivity, M. Rechigl, Jr (ed). CRC Press. Boca Raton, Florida
Frank AB, Ries RE (1990) Effect of soil water, nitrogen, and growing degree days on morphological development of crested and western wheatgrass. J Range Manage 43:257–260
El Hassan B, Krueger WC (1980) Impact of intensity and season of grazing on carbohydrate reserves of perennial ryegrass. J Range Manage 33:200–203
Hartt CE (1967) Effect of moisture supply upon translocation and storage of 14C in sugarcane. Plant Physiol 42:338–346
Hyder DN, Sneva FA (1959) Growth and carbohydrate trends in crested wheatgrass. J Range Manage 12:271–276
Hyder DN, Sneva FA (1963) Morphological and physiological factors affecting the grazing management of crested wheatgrass. Crop Sci 3:267–271
Lentz RD, Simonson JH (1986) A detailed soils inventory and associated vegetation of Squaw Butte Range Experiment Station. Ore State Agric Exper Sta Spec Rep 760. Corvallis 184 p
McCarty EC, Price R (1942) Growth and carbohydrate content of important mountain forage plants in central Utah as affected by clipping and grazing. USDA Tech Bull 818. p 51
McIlvanie SK (1942) Carbohydrate and nitrogen trends in bluebunch wheatgrass, Agropyron spicatum, with special reference to grazing influences. Plant Physiol 17:540–557
Miller RF (1988) Comparison of water use by Artemisia tridentata spp. wyomingensis and Chrysothamnus viscidiflorus spp. viscidiflorus. J Range Manage 41:58–62
Miller RF, Haferkamp MR, Angell RF (1990) Clipping date effects on soil water and regrowth in crested wheatgrass. J Range Manage 43:253–257
Mueller RJ, Richards JH (1986) Morphological analysis of tillering in Agropyron spicatum and Agropyron desertorum. Ann Bot 58:911–921
Nowak RS, Caldwell MM (1984) Photosynthetic activity and survival of foliage during winter for two bunchgrass species in a cold-winter steppe environment. Photosyn 18:192–200
Olson BE, Richards JH (1988) Annual replacement of tillers of Agropyron desertorum following grazing. Oecologia 76:1–6
Olson BE, Richards JH (1989) Grazing effects on crested wheat-grass growth and replacement in central Utah. Utah Agric Exper Sta Utah State Univ Res Bull 516. Logan. 34 p
Richards JH (1984) Root growth responses to defoliation in two Agropyron bunchgrasses: Field observations with an improved root periscope. Oecologia 64:21–25
Richards JH, Caldwell MM (1985) Soluble carbohydrates, concurrent photosynthesis and efficiency in regrowth following defoliation: A field study with Agropyron species. J Appl Ecol 22:907–920
Richards JH, Mueller RJ, Mott JJ (1988) Tillering in tussock grasses in relation to defoliation and apical bud removal. Ann Bot 62:173–179
Ryle GJA, Powell CE (1975) Defoliation and regrowth in the Graminaceous plant: The role of current assimilate. Ann Bot 39:297–310
Sampson AW, McCarty EC (1930) Carbohydrate metabolism of Stipa pulchra. Hilgardia 5:61–100
Stout DG, Hall J, Grooke B, McLean A (1981) Influence of successive years of simulated grazing (clipping) on pinegrass growth. Can J Plant Sci 61:939–943
Svejcar TJ, Boutton TW, Trent JD (1990) Assessment of carbon allocation with stable carbon isotope labeling. Agro J 82:18–21
Trlica MJ Jr., Cook CW (1972) Carbohydrate reserves of crested wheatgrass and Russian wildrye as influenced by development and defoliation. J Range Manage 24:430–435
Wiebe HH, Wirheim SE (1962) The influence of internal moisture stress on translocation. Radioisoto. Soil-Plant Nutr. Stud., Proc. Symp. pp 279–288. IAEA Vienna
Wraith JM, Johnson DA, Hanks RJ, Sisson DV (1987) Soil and plant water relations in a crested wheatgrass pasture: response to spring grazing by cattle. Oecologia 73:573–578
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Miller, R.F., Rose, J.A. Growth and carbon allocation of Agropyron desertorum following autumn defoliation. Oecologia 89, 482–486 (1992). https://doi.org/10.1007/BF00317153
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DOI: https://doi.org/10.1007/BF00317153