Track 2-12: Control and Management of Weeds and Diseases of Grass and Forage Systems

The 22nd International Grassland Congress (Revitalising Grasslands to Sustain Our Communities) took place in Sydney, Australia from September 15 through September 19, 2013.
Proceedings Editors: David L. Michalk, Geoffrey D. Millar, Warwick B. Badgery, and Kim M. Broadfoot
Publisher: New South Wales Department of Primary Industry, Kite St., Orange New South Wales, Australia

22nd International Grassland Congress Theme 2:
Improving Grassland Environment and Resources:
Plant Protection of Grasslands; Integrated Management of Weeds, Pests and Diseases:
Control and Management of Weeds and Diseases of Grass and Forage Systems

Using Integrated Weed Management to Minimize Production and Environmental Impacts in Grasslands: An Australian Perspective

Andy Sheppard, CSIRO, Australia

Strategies on Poisonous Plants Problem in China

Xinlei Gao, Inner Mongolia Agricultural University, China
Mengli Zhao, Inner Mongolia Agricultural University, China
Jing Wang, Inner Mongolia Agricultural University, China
Bin Han, Inner Mongolia Agricultural University, China
Walter D. Willms, Agriculture and Agri-Food Canada, Canada

Understanding the Causes of Bush Encroachment in Africa: The Key to Effective Management of Savanna Grasslands

Olaotswe E. Kgosikoma, Ministry of Agriculture, Botswana
Kabo Mogotsi, Ministry of Agriculture, Botswana

Development and Validation of Molecular Markers for Phytophthora medicaginis Resistance in Lucerne

David J. Armour, The University of Queensland, Australia
Karen S. Aitken, CSIRO, Australia
John A. G. Irwin, The University of Queensland, Australia

Unpalatable Perennial Grass Invasion in Central-East Argentina Native Grasslands: Processes, Implications and Recovery

Roberto A. Distel, Universidad Nacional del Sur, Argentina

ForageMax® Herbicide–A New Product for Weed Management in Forage Brassicas in Australia

Gregory S. Wells, Dow AgroSciences Australia Ltd., Australia
Peter J. Nott, Dow AgroSciences Australia Ltd., Australia

Methods for Estimating Seed Production of Two Summer-Active Grass Weeds, Setaria pumila and Digitaria sanguinalis, in New Zealand Dairy Pastures

Katherine N. Tozer, AgResearch, New Zealand
Catherine A. Cameron, AgResearch, New Zealand

Aminopyralid + Metsulfuron-Methyl for Cost-Effective Control of Hard to Kill Pasture Weeds

Gregory S. Wells, Dow AgroSciences Australia Ltd., Australia
Christopher O. Love, Dow AgroSciences Australia Ltd., Australia
Natalie V. Elias, Dow AgroSciences Australia Ltd., Australia
Colin L. Plater, Dow AgroSciences Australia Ltd., Australia
Robert A. Annetts, Dow AgroSciences Australia Ltd., Australia

In Search of an Alternative to Fire for Manipulating Bush Encroachment in the Arid Karoo Region of South Africa

S. Theron, Western Cape Department of Agriculture, South Africa
J. C. Botha, Western Cape Department of Agriculture, South Africa
A. Marais, Western Cape Department of Agriculture, South Africa

Integrating Mechanical and Cultural Control Treatments to Manage the Invasive Shrub Chromolaena odorata in Grassland Areas

Muhammad Rusdy, Hasanuddin University, Indonesia
E. K. Budiman, Hasanuddin University, Indonesia

A Guide to Noxious Plants as an Educational Resource of Veterinary Medicine Students

M. G. Klich, Universidad Nacional de Río Negro, Argentina
G. Atencio, Universidad Nacional de Río Negro, Argentina
N. Autalán, Universidad Nacional de Río Negro, Argentina
C. Busson, Universidad Nacional de Río Negro, Argentina
M. Chazarreta, Universidad Nacional de Río Negro, Argentina
G. Estevanacio, Universidad Nacional de Río Negro, Argentina
B. Fernández, Universidad Nacional de Río Negro, Argentina
G. Lucero, Universidad Nacional de Río Negro, Argentina
E. Moscovakis, Universidad Nacional de Río Negro, Argentina
S. Peña, Universidad Nacional de Río Negro, Argentina
B. Shaap, Universidad Nacional de Río Negro, Argentina
D. Vallejo, Universidad Nacional de Río Negro, Argentina

Effectiveness of Tronador to Control Brittlebush in Buffelgrass Pastures at Central Sonora, México

Fernando Ibarra-Flores, University of Sonora, Mexico
Martha Martin, University of Sonora, Mexico
Salomón M. Moreno, University of Sonora, Mexico
Fernando Ibarra Jr., University of Sonora, Mexico
Jared Atondo, Dow AgroSciences, Mexico
Francisco B. Denogean, University of Sonora, Mexico
Alfredo V. Aguilar, University Antonio Narro, Mexico
Rafael Retes, University of Sonora, Mexico

Effect of Sample Handling and Storage on Ergovaline Concentration in Fresh Tall Fescue Samples

Krista L. Cotten, University of Kentucky
Lori Smith, University of Kentucky
Cynthia L. Gaskill, University of Kentucky
Robert Coleman, University of Kentucky
S. Ray Smith, University of Kentucky

Towards Effective Management: Toxicity, Causal Mechanism and Controlling Strategy of Toxic Rangeland Weeds in Western China

Wei He, Northwest University, China
Yongmei Liu, Northwest University, China
Hao Lu, Northwest A&F University, China
Baoyu Zhao, Qinghai University, China
Chonghui Mo, Beijing Academy of Agriculture and Forestry Sciences, China
Juying Wu, Veterinary Centre of Alxa, China
Nengtai Da
Yahui Wei

Evaluation of Spittlebug Incidence on Two Grasslands from Mojui Dos Campos Para, Brazil

Andréa Krystina Vinente Guimarães, Universidade Federal do Oeste do Pará, Brazil
Daniel Carvalho Evangelista, Universidade Federal do Oeste do Pará, Brazil
Adenomar Neves de Carvalho, Universidade Federal do Oeste do Pará, Brazil

Alteration of Physiological Parameters of Milkvetch (Astragalus adsurgens) by the Pathogen Embellisia astragali

Binhua Yu, Lanzhou University, China
Zhibiao Nan, Lanzhou University, China