Theme 01: Ecophysiology of Grasslands

The XIX International Grassland Congress took place in São Pedro, São Paulo, Brazil from February 11 through February 21, 2001.
Proceedings published by Fundacao de Estudos Agrarios Luiz de Queiroz

XIX International Grassland Congress:
Ecophysiology of Grasslands

Effect of Nitrogen Fertilizer on Reproductive Tiller Development in Perennial Ryegrass

I. Bahmani, Dairying Research Corporation, New Zealand
E. R. Thom, Dairying Research Corporation, New Zealand
C. Matthew, Massey University, New Zealand
G. Lemaire, Institut National de Recherche Agronomique, France

Tillering Dynamics of Panicum maximum Jacq. cv. Tanzania-1 After Grazing

Rodrigo A. Barbosa, Universidade Federal de Viçosa, Brazil
Domicio Nascimento Jr., Universidade Federal de Viçosa, Brazil
Valéria P. B. Euclides, EMBRAPA, Brazil
A. J. Regazzi, Universidade Federal de Viçosa, Brazil
D. M. Fonseca, Universidade Federal de Viçosa, Brazil

Effect of Aging in Tillers of Panicum maximum on Leaf Elongation Rate

D. D. Carvalho, Massey University, New Zealand
C. Matthew, Massey University, New Zealand
J. Hodgson, Massey University, New Zealand

Dormant Bud Development in Phalaris aquatica L.

Brendan R. Cullen, Department of Natural Resources and Environment, Australia
P. E. Quigley, Department of Natural Resources and Environment, Australia
D. F. Chapman, University of Melbourne, Australia

Allelopathic Influence of Eragrostis curvula Water Extract on Seed Germination and Seedling Growth of Two Other Species

R. W. Coelho, EMBRAPA, Brazil
R. E. Schmidt, Virginia Tech

Patterns of Development and Nitrogen Reserves Mobilization during Regrowth of Defoliated Clover

F. Le Dily, Université de Caen Normandie, France
E. Goulas, Université de Caen Normandie, France
P. Lainé, Université de Caen Normandie, France
E. Le Deunff, Université de Caen Normandie, France

Resistance to Drought in Shore Elurope (Aeluropus litoralis) and Weeping Alkaligrass (Puccinellia distans)

Mohammad Jafari, University of Tehran, Iran
A. G. Firouzabadi, Azad University, Iran

Effect of the Hierarchical Position of Individuals in a Medicago sativa Stand on Shoot Respiration

M. Lötscher, Technische Universität München, Germany
Hans Schnyder, Technische Universität München, Germany

Fructans from Elongating Leaf Bases Are a Source of Carbon for Regrowth after Defoliation In Lolium perenne

A. Morvan-Bertrand, Université de Caen Normandie, France
J. C. Avice, Université de Caen Normandie, France
M. P. Prud'homme, Université de Caen Normandie, France

Effect of Climatic Factors on the Plant Population Dynamics in Temperate Pasture Implantation

B. Martin, Universidad Nacional de Rosario, Argentina
R. Refi, Universidad Nacional de Rosario, Argentina
S. Montico, Universidad Nacional de Rosario, Argentina
M. Costanzo, Universidad Nacional de Rosario, Argentina

Effects of Photoperiod, Low Temperature and N Nutrition on VSP Accumulation in Taproot of Alfalfa

J. C. Avice, Université de Caen Normandie, France
C. Noquet, Université de Caen Normandie, France
A. Ourry, Université de Caen Normandie, France
J. J. Volenec, Purdue University

Influence of Water Stress on Protein Concentration in Themeda triandra Forsk. in a Semi-Arid Climate of South Africa

I. B. Oosthuizen, University of the Orange Free State, South Africa
Hennie A. Snyman, University of the Orange Free State, South Africa

Effect of Sowing Time on Phytomass Production during Early Growth of Two Varieties of Stylosanthes guianensis (Aubl.) Sw.

M. L.S. Paterniani, Universidade Estadual Paulista, Brazil
T. J. D. Rodrigues, Universidade Estadual Paulista, Brazil
G. T. Pereira, Universidade Estadual Paulista, Brazil
L. R. A. Rodrigues, Universidade Estadual Paulista, Brazil

Seasonal Botanical Composition and Available Forage of Natural Grasslands in the Southeastern Range Region of Rio Grande Do Sul, Brazil

J. C. L. Reis, EMBRAPA, Brazil
H. Alfaya, Universidade Federal de Pelotas, Brazil
O. J. W. Siqueira, EMBRAPA, Brazil
C. B. Farias Jr., Universidade Federal de Pelotas, Brazil

Defoliation and Water Deficit: Their Influence on Pasture Growth and Water Use of White Clover

F. H. Santiñaque, Universidad de la República, Uruguay

Influence of Fertilization on Botanical Composition and Productivity of Rangeland in a Semi-Arid Climate of South Africa

Hennie A. Snyman, University of the Orange Free State, South Africa
I. B. Oosthuizen, University of the Orange Free State, South Africa

Herbage Allowance and Nitrogen Fertilization Effects on Morphological Characteristics of Paspalum notatum Flügge

P. Boggiano, Universidad de la República, Uruguay
G. E. Maraschin, Universidade Federal do Rio Grande do Sul, Brazil
Carlos Nabinger, Universidade Federal do Rio Grande do Sul, Brazil
J. Riboldi, Universidade Federal do Rio Grande do Sul, Brazil
Mónica Cadenazzi, Universidad de la República, Uruguay

Response of Mombaça Grass (Panicum maximum Jacq.) to Nitrogen Doses and Clipping Frequency

Gustavo J. Braga, Universidade de São Paulo, Brazil
P. H. C. Luz, Universidade de São Paulo, Brazil
V. R. Herling, Universidade de São Paulo, Brazil
R. J. Schmidt, Universidade de São Paulo, Brazil
C. G. Lima, Universidade de São Paulo, Brazil

Tillering Dynamics in Mombaça Grass (Panicum maximum, Jacq.) under Grazing

E. M. Coelho, Universidade de São Paulo, Brazil
V. R. Herling, Universidade de São Paulo, Brazil
M. A. Gomes, Universidade de São Paulo, Brazil
R. J. Schmidt, Universidade de São Paulo, Brazil
C. G. Lima, Universidade de São Paulo, Brazil

Morphogenesis and Growth Analysis of Mombaçagrass (Panicum maximum) during Establishment and Regrowth

Carlos A. M. Gomide, Universidade Federal de Viçosa, Brazil
J. A. Gomide, Universidade Federal de Viçosa, Brazil
C. A. M. Huaman, Universidade Federal de Viçosa, Brazil

Effect of Temperature on Phenology in Triple-Awned Grass (Stipagrostis plumosa)

Hossein Azarnivand, University of Tehran, Iran
H. Dastmalchi, University of Tehran, Iran

Effects of Temperature, Nitrogen Fertilisation and Leaf and Tiller Age on Specific Leaf Area of Brachiaria decumbens

J. Busqué, University of Edinburgh, UK
M. Herrero, International Livestock Research Institute, Kenya

Morphogenesis and Defoliation Frequency of Italian Ryegrass (Lolium multiflorum) and Paspalum urvillei in Lowland under Three Levels of P and K

Fernando L. F. de Quadros, Universidade Federal de Santa Maria, Brazil
A. G. S. Pigatto, Universidade Federal de Santa Maria, Brazil
D. G. Bandinelli, Universidade Federal de Santa Maria, Brazil
E. Marchezan, Universidade Federal de Santa Maria, Brazil
Marta G. da Rocha, Universidade Federal de Santa Maria, Brazil

Variability in Herbage Mass and Chemical Composition within a Timothy Sward

O. Niemeläinen, Agricultural Research Centre, Finland
E. Miettinen, Agricultural Research Centre, Finland
P. Virkajärvi, Agricultural Research Centre, Finland
L. Alakukku, Agricultural Research Centre, Finland
K. Hakala, Agricultural Research Centre, Finland

Leaf Appearance Rate in Brachiaria decumbens Grown in Nitrogen and Potassium Rates

M. D. C. Ferragine, Universidade de São Paulo, Brazil
F. A. Monteiro, Universidade de São Paulo, Brazil
S. C. da Silva, Universidade de São Paulo, Brazil

Effect of Cutting Height on Tiller Population Density and Herbage Biomass of Buffel Grass

L. S. Beltrán, Colegio de Postgraduados, Mexico
P. J. Pérez, Colegio de Postgraduados, Mexico
G. A. Hernández, Colegio de Postgraduados, Mexico
M. E. García, Colegio de Postgraduados, Mexico
S. J. Kohashi, Colegio de Postgraduados, Mexico
H. J. G. Herrera, Colegio de Postgraduados, Mexico

Nonstructural Carbohydrate Reserves of Temperate Perennial Grasses in Autumn Early Growth

Y. Tamura, Tohoku National Agricultural Experiment Station, Japan
K. Matoba, Tohoku National Agricultural Experiment Station, Japan
A. Fushimi, Tohoku National Agricultural Experiment Station, Japan
M. Moriyama, Hokkaido National Agricultural Experiment Station, Japan

Photosynthetic Light Response of Tanzania Grass under Four Levels of Leaf Temperature

A. C. L. de Mello, Universidade de São Paulo, Brazil
P. M. Santos, Universidade de São Paulo, Brazil
Carlos G. S. Pedreira, Universidade de São Paulo, Brazil
M. Corsi, Universidade de São Paulo, Brazil
C. T. dos S. Dias, Universidade de São Paulo, Brazil

Light Interception and Dry Matter Yield in Grass/Legume Mixtures

H. A. Jönsson, Svalöf Weibull AB, Sweden

The Effects of Planting Density on the Dry Matter Yield and the Overwintering Ability of the Dwarf and Normal Napiergrasses in Two Years after Planting

Yasuyuki Ishii, University of Miyazaki, Japan
M. M. Mukhtar, University of Miyazaki, Japan
Sayan Tudsri, Kasetsart University, Thailand

Seasonal Growth Curves of Perennial Ryegrass in Mexico

M. E. Z. Velasco, Colegio de Postgraduados, Mexico
Alfonso Hernández-Garay, Colegio de Postgraduados, Mexico
J. P. Pérez, Colegio de Postgraduados, Mexico
V. A. González-Hernández, Colegio de Postgraduados, Mexico

A Technique for Assessing Seed Survival of New Pasture Legumes Following Grazing by Sheep

Caroline T. de Koning, South Australian Research and Development Institute, Australia
P. E. Beale, South Australian Research and Development Institute, Australia
A. J. Duncan, South Australian Research and Development Institute, Australia
S. Hughes, South Australian Research and Development Institute, Australia
K. Haskard, South Australian Research and Development Institute, Australia

Yields and Sward Characteristics of Timothy Cultivars under Grazing

H. T. Kunelius, Agriculture and Agri-Food Canada, Canada
G. H. Dürr, Agriculture and Agri-Food Canada, Canada
K. B. McRae, Agriculture and Agri-Food Canada, Canada
S. A. E. Fillmore, Agriculture and Agri-Food Canada, Canada

Seasonal Patterns of Growth and Senescence in Cynodon spp. cv Tifton 85 Grazed Swards

L. F. M. Pinto, Universidade de São Paulo, Brazil
L. G. Barioni, Universidade de São Paulo, Brazil
S. C. da Silva, Universidade de São Paulo, Brazil

Ecophysiology of Grasslands: Dynamic Aspects of Forage Plant Populations in Grazed Swards

G. Lemaire, INRA, France

Understanding Shoot and Root Development

C. Matthew, Massey University, New Zealand
E. N. van Loo, Plant Research International B.V., The Netherlands
E. R. Thom, Dairying Research Corporation, New Zealand
L. A. Dawson, Macaulay Land Use Research Institute, UK
D. A. Care, AgResearch, New Zealand