The influence of grazing frequency and intensity on the vigour of Lolium perenne L. under subtropical conditions

Australian Journal of Agriculture Research

Volumn 47, Issue 6, 1996, Pages 975-983

  McKenzie, F R ^a,b  

^a UNIVERSITY OF KWAZULU NATAL   (South Africa)

^b AGRICULTURE VICTORIA RESEARCH   (Australia)

Author keywords

etiolated growth; pasture vigour; perennial ryegrass; tiller vigour

Indexed keywords

LOLIUM; LOLIUM PERENE; LOLIUM PERENNE; POACEAE;

GRAZING FREQUENCY; GRAZING INTENSITY; GROWTH; PASTURE VIGOUR; PERENNIAL RYEGRASS; TILLER VIGOUR;

EID: 0029659653     PISSN: 00049409     EISSN: None     Source Type: Journal    
DOI: 10.1071/AR9960975     Document Type: Article

References (21)

1. Barker, D. J., and Dymock, Y. (1993). Introduction, production and persistence of five grass species in dry hill country. 6. Ballantrae, North Island, New Zealand. New Zealand Journal of Agricultural Research 36, 41-7.
2. Barker, D. J., Lambert, M. G., Dymock, Y., and Gray, Y. S. (1993). Introduction, production and persistence of five grass species in dry hill country. 5. Central Wairarapa, North Island, New Zealand. New Zealand Journal of Agricultural Research 36, 29-39.
3. Bransby, D. I., and Tainton, N. M. (1976). The pasture disc meter: possible applications in grazing management. Proceedings of the Grassland Society of Southern Africa 12, 115-18.
4. Cooper, J. P., and Tainton, N. M. (1968). Light and temperature requirements for the growth of tropical and temperate grasses. Herbage Abstracts 38, 167-76.
5. Edwards, P. J. (1965). The construction and use of light-proof boxes in grassland research work. In 'Proceedings of the 9th International Grassland Congress'. pp. 1483-5.
6. Farina, M. P. W. (1981). The Hunter system of soil analysis. Fertiliser Society of South Africa Journal 1, 39-41.
7. Fulkerson, W. J., Slack, K., Moore, K., and Rolfe, C. (1993). Management of Lolium perenne/Trifolium repens pastures in the subtropics. I. Effect of defoliation interval, seeding rate and application of N and lime. Australian Journal of Agricultural Research 44, 1947-58.
8. Grant, S. A., Barthram, G. T., and Torvell, L. (1981). Components of regrowth in grazed and cut Lolium perenne swards. Grass and Forage Science 36, 155-68.
9. Hughes, R., and Jackson, D. K. (1974). Impact of grazing management on sward survival. Journal of the British Grassland Society 29, 76-82.
10. Hunt, L. A., and Brougham, R. W. (1967). Some changes in the structure of a perennial ryegrass sward frequently but leniently defoliated during the summer. New Zealand Journal of Agricultural Research 10, 397-404.
11. Korte, C. J., Spall, J. G., and Chu, A. C. P. (1982). Pattern of autumn tillering in a Grasslands 4708 tetraploid hybrid ryegrass sward following two heights of mowing. New Zealand Journal of Agricultural Research 25, 157-61.
12. Langer, R. H. M. (1972). 'How Grasses Grow.' (Edward Arnold: London.)
13. McKenzie, F. R. (1994). Managing Lolium perenne L. (perennial ryegrass) in a subtropical environment in KwaZulu-Natal, South Africa. PhD Thesis, University of Natal, Pietermaritzburg, South Africa.
14. Muzzell, P. J., and Booysen, P. de V. (1969). The use of light-proof boxes for the measurement of plant vigour in cocksfoot (Dactylis glomerata L.) and lucerne (Medicago sativa L.). Proceedings of the Grassland Society of Southern Africa 4, 44-8.
15. Ong, C. K. (1978). The physiology of tiller death in grasses. 1. The influence of tiller age, size and position. Journal of the British Grassland Society 33, 197-203.
16. Parsons, A. J., Collett, B., and Lewis, J. (1984). Changes in the structure and physiology of a perennial ryegrass sward when released from a continuous stocking management: implications for the use of exclusion cages in continuously stocked swards. Grass and Forage Science 39, 1-9.
17. Steel, R. G. D., and Torrie, J. H. (1981). 'Principles and Procedures of Statistics.' (McGraw-Hill: Singapore.)
18. Steinke, T. D., and Booysen, P. de V. (1968). The regrowth and utilization of carbohydrate reserves of Eragrostis curvula after different frequencies of defoliation. Proceedings of the Grassland Society of Southern Africa 3, 105-10.
19. Thom, E. R. (1991). Effect of early spring grazing frequency on the reproductive growth and development of a perennial ryegrass tiller population. New Zealand Journal of Agricultural Research 34, 383-9.
20. Thom, E. R., Sheath, G. W., Bryant, A. M., and Cox, N. R. (1986). Renovation of pastures containing paspalum. 3. Effect of defoliation management and irrigation on ryegrass growth and persistence. New Zealand Journal of Agricultural Research 29, 599-611.
21. Vogel, J. C., Fuls, A., and Ellis, R. P. (1978). The geographical distribution of kranz grasses in South Africa. South African Journal of Science 74, 209-15.