Christopher A. Preston

Multiple effects of a naturally occurring proline to threonine substitution within acetolactate synthase in two herbicide-resistant populations of Lactuca serriola (2006)

Preston, Christopher A., Stone, L. M., Rieger, M. A., Baker, Jeanine

Two populations of Lactuca serriola L. with resistance to acetolactate synthase (ALS)-inhibiting herbicides were discovered in wheat fields at two locations more than 25 km apart in South Australia....

Inheritance of glyphosate resistance in several populations of rigid ryegrass (Lolium rigidum) from Australia (2006)

Wakelin, Angela Maree, Preston, Christopher A.

In Australia, glyphosate resistance has been observed in rigid ryegrass in several states including New South Wales (NSW) and South Australia (SA). Several populations of glyphosate-resistant rigid...

Evolved glyphosate resistance in plants: Biochemical and genetic basis of resistance (2006)

Powles, S. B., Preston, Christopher A.

Resistance to the herbicide glyphosate is currently known in at least eight weed species from many countries. Some populations of goosegrass from Malaysia, rigid ryegrass from Australia, and Italian...

Factors affecting seed germination of threehorn bedstraw (Galium tricornutum) in Australia (2006)

Chauhan, Bhagirath Singh, Preston, Christopher A., Gill, Gurjeet Singh

Threehorn bedstraw is an important dicotyledonous weed in southern Australia that is particularly difficult to control in pulse crops. Knowledge of the germination ecology of this weed would...

Influence of tillage systems on vertical distribution, seedling recruitment and persistence of rigid ryegrass (Lolium rigidum) seed bank (2006)

Chauhan, Bhagirath Singh, Gill, Gurjeet Singh, Preston, Christopher A.

Several studies were conducted to evaluate the effects of different tillage systems on the vertical seed distribution, seedling recruitment pattern, and persistence of the rigid ryegrass seed bank....

Pollen-mediated gene flow between paraquat-resistant and susceptible hare barley (Hordeum leporinum) (2006)

Hidayat, I., Baker, Jeanine, Preston, Christopher A.

Pollen movement between individuals can increase the rate of herbicide resistance evolution by spreading resistance alleles within or between populations and by facilitating the rapid accumulation of...

Weed management practices in glyphosate-tolerant and conventional cotton fields in Australia (2006)

Werth, Jeff Alan, Preston, Christopher A., Roberts, G. N., Taylor, I. N.

Forty growers in 4 major cotton-growing regions in Australia were surveyed in 2003 to investigate how the adoption of glyphosate-tolerant cotton (Roundup Ready) had influenced herbicide use, weed...

African mustard (Brassica tournefortii) germination in southern Australia (2006)

Chauhan, Bhagirath Singh, Gill, Gurjeet Singh, Preston, Christopher A.

Germination of African mustard seeds collected from southern Australia was not influenced by light conditions at the optimum temperature of 20/12 C. However, seed germination was inhibited by light...

Factors affecting seed germination of annual sowthistle (Sonchus oleraceus) in southern Australia (2006)

Chauhan, Bhagirath Singh, Gill, Gurjeet Singh, Preston, Christopher A.

Annual sowthistle has become more abundant under no-till systems in southern Australia. Increased knowledge of germination biology of annual sowthistle would facilitate development of effective weed...

Tillage systems affect trifluralin bioavailability in soil (2006)

Chauhan, Bhagirath Singh, Gill, Gurjeet Singh, Preston, Christopher A.

Trifluralin is widely used for control of rigid ryegrass in no-till grain crops in southern Australia. Trifluralin must be incorporated into soil to be effective. Several field studies were conducted...

Tillage system effects on weed ecology, herbicide activity and persistence: a review (2006)

Chauhan, Bhagirath Singh, Gill, Gurjeet Singh, Preston, Christopher A.

In the past few years, there has been a growing trend towards reducing tillage in cropping systems to allow stubble retention, earlier planting and improved soil structure. However, the adoption of...

Factors affecting turnipweed (Rapistrum rugosum) seed germination in southern Australia (2006)

Chauhan, B. S., Gill, Gurjeet Singh, Preston, Christopher A.

Experiments were conducted on the seed of turnipweed collected from southern Australia. Seed germinated over a range of temperatures (25/15, 20/12, and 15/9 C) under both light/dark and dark...

Influence of environmental factors on seed germination and seedling emergence of Oriental mustard (Sisymbrium orientale) (2006)

Chauhan, B. S., Gill, Gurjeet Singh, Preston, Christopher A.

The effects of environmental factors on seed germination and seedling emergence of Oriental mustard were studied in laboratory and field experiments. Seed germination was stimulated by light;...

Influence of environmental factors on seed germination and seedling emergence of rigid ryegrass (Lolium rigidum) (2006)

Chauhan, B. S., Gill, Gurjeet Singh, Preston, Christopher A.

Rigid ryegrass is a major weed of southern Australian cropping systems. Increased knowledge about the germination biology of rigid ryegrass would facilitate development of effective weed control...

Factors affecting seed germination of little mallow (Malva parviflora) in southern Australia (2006)

Chauhan, B. S., Gill, Gurjeet Singh, Preston, Christopher A.

Little mallow is becoming an increasing problem in no-till farming systems in southern Australia. There is little known about the germination ecology of this species, making management of the weed...

Pollen-mediated gene flow between paraquat-resistant and susceptible hare barley (Hordeum leporinum) (2006)

Hidayat, I., Baker, Jeanine, Preston, Christopher A.

Pollen movement between individuals can increase the rate of herbicide resistance evolution by spreading resistance alleles within or between populations and by facilitating the rapid accumulation of...

Weed management practices in glyphosate-tolerant and conventional cotton fields in Australia (2006)

Werth, Jeff Alan, Preston, Christopher A., Roberts, G. N., Taylor, I. N.

Forty growers in 4 major cotton-growing regions in Australia were surveyed in 2003 to investigate how the adoption of glyphosate-tolerant cotton (Roundup Ready) had influenced herbicide use, weed...

Influence of tillage systems on vertical distribution, seedling recruitment and persistence of rigid ryegrass (Lolium rigidum) seed bank (2006)

Chauhan, Bhagirath Singh, Gill, Gurjeet Singh, Preston, Christopher A.

Several studies were conducted to evaluate the effects of different tillage systems on the vertical seed distribution, seedling recruitment pattern, and persistence of the rigid ryegrass seed bank....

Evolved glyphosate resistance in plants: Biochemical and genetic basis of resistance (2006)

Powles, S. B., Preston, Christopher A.

Resistance to the herbicide glyphosate is currently known in at least eight weed species from many countries. Some populations of goosegrass from Malaysia, rigid ryegrass from Australia, and Italian...

Multiple effects of a naturally occurring proline to threonine substitution within acetolactate synthase in two herbicide-resistant populations of Lactuca serriola (2006)

Preston, Christopher A., Stone, L. M., Rieger, M. A., Baker, Jeanine

Two populations of Lactuca serriola L. with resistance to acetolactate synthase (ALS)-inhibiting herbicides were discovered in wheat fields at two locations more than 25 km apart in South Australia....

Tillage systems affect trifluralin bioavailability in soil (2006)

Chauhan, Bhagirath Singh, Gill, Gurjeet Singh, Preston, Christopher A.

Trifluralin is widely used for control of rigid ryegrass in no-till grain crops in southern Australia. Trifluralin must be incorporated into soil to be effective. Several field studies were conducted...

Tillage system effects on weed ecology, herbicide activity and persistence: a review (2006)

Chauhan, Bhagirath Singh, Gill, Gurjeet Singh, Preston, Christopher A.

In the past few years, there has been a growing trend towards reducing tillage in cropping systems to allow stubble retention, earlier planting and improved soil structure. However, the adoption of...

African mustard (Brassica tournefortii) germination in southern Australia (2006)

Chauhan, Bhagirath Singh, Gill, Gurjeet Singh, Preston, Christopher A.

Germination of African mustard seeds collected from southern Australia was not influenced by light conditions at the optimum temperature of 20/12 C. However, seed germination was inhibited by light...

Inheritance of glyphosate resistance in several populations of rigid ryegrass (Lolium rigidum) from Australia (2006)

Wakelin, Angela Maree, Preston, Christopher A.

In Australia, glyphosate resistance has been observed in rigid ryegrass in several states including New South Wales (NSW) and South Australia (SA). Several populations of glyphosate-resistant rigid...

Factors affecting seed germination of annual sowthistle (Sonchus oleraceus) in southern Australia (2006)

Chauhan, Bhagirath Singh, Gill, Gurjeet Singh, Preston, Christopher A.

Annual sowthistle has become more abundant under no-till systems in southern Australia. Increased knowledge of germination biology of annual sowthistle would facilitate development of effective weed...

Factors affecting seed germination of threehorn bedstraw (Galium tricornutum) in Australia (2006)

Chauhan, Bhagirath Singh, Preston, Christopher A., Gill, Gurjeet Singh

Threehorn bedstraw is an important dicotyledonous weed in southern Australia that is particularly difficult to control in pulse crops. Knowledge of the germination ecology of this weed would...

Factors affecting turnipweed (Rapistrum rugosum) seed germination in southern Australia (2006)

Chauhan, B. S., Gill, Gurjeet Singh, Preston, Christopher A.

Experiments were conducted on the seed of turnipweed collected from southern Australia. Seed germinated over a range of temperatures (25/15, 20/12, and 15/9 C) under both light/dark and dark...

Influence of environmental factors on seed germination and seedling emergence of Oriental mustard (Sisymbrium orientale) (2006)

Chauhan, B. S., Gill, Gurjeet Singh, Preston, Christopher A.

The effects of environmental factors on seed germination and seedling emergence of Oriental mustard were studied in laboratory and field experiments. Seed germination was stimulated by light;...

Influence of environmental factors on seed germination and seedling emergence of rigid ryegrass (Lolium rigidum) (2006)

Chauhan, B. S., Gill, Gurjeet Singh, Preston, Christopher A.

Rigid ryegrass is a major weed of southern Australian cropping systems. Increased knowledge about the germination biology of rigid ryegrass would facilitate development of effective weed control...

Factors affecting seed germination of little mallow (Malva parviflora) in southern Australia (2006)

Chauhan, B. S., Gill, Gurjeet Singh, Preston, Christopher A.

Little mallow is becoming an increasing problem in no-till farming systems in southern Australia. There is little known about the germination ecology of this species, making management of the weed...

Low temperature reduces glufosinate activity and translocation in wild radish (Raphanus raphanistrum) (2005)

Kumaratilake, Anuja Ruwanthi, Preston, Christopher A.

Wild radish is a major weed in winter grain crops in Australia. This weed is poorly controlled by glufosinate. Therefore, factors influencing glufosinate efficacy in this species were examined....

Legumes in temperate Australia: A survey of naturalisation and impact in natural ecosystems (2005)

Emms, J., Virtue, J. G., Preston, Christopher A., Bellotti, William Douglas

Some of the most damaging weeds of natural ecosystems in temperate Australia and similar Mediterranean environments are legumes. A study was undertaken to determine the level of naturalisation and...

Mechanisms of inducible resistance against Bacillus thuringiensis endotoxins in invertebrates (2005)

Ma, G., Sarjan, M., Preston, Christopher A., Asgari, S., Schmidt, Otto

Resistance in insect pests against the endotoxin of Bacillus thuringiensis (Berliner) (Bt) is a major threat to the usefulness of this biopesticide, both used as traditional formulations and in...

Legumes in temperate Australia: A survey of naturalisation and impact in natural ecosystems (2005)

Emms, J., Virtue, J. G., Preston, Christopher A., Bellotti, William Douglas

Some of the most damaging weeds of natural ecosystems in temperate Australia and similar Mediterranean environments are legumes. A study was undertaken to determine the level of naturalisation and...

Low temperature reduces glufosinate activity and translocation in wild radish (Raphanus raphanistrum) (2005)

Kumaratilake, Anuja Ruwanthi, Preston, Christopher A.

Wild radish is a major weed in winter grain crops in Australia. This weed is poorly controlled by glufosinate. Therefore, factors influencing glufosinate efficacy in this species were examined....

Mechanisms of inducible resistance against Bacillus thuringiensis endotoxins in invertebrates (2005)

Ma, G., Sarjan, M., Preston, Christopher A., Asgari, S., Schmidt, Otto

Resistance in insect pests against the endotoxin of Bacillus thuringiensis (Berliner) (Bt) is a major threat to the usefulness of this biopesticide, both used as traditional formulations and in...

Polyamines can inhibit paraquat toxicity and translocation in the broadleaf weed Arctotheca calendula (2004)

Soar, Christopher John, Preston, Christopher A., Karotam, J., Powles, S. B.

Reduced paraquat transport from the site of application to the site of action in the chloroplast seems a likely mechanism for paraquat resistance in several weed species including Arctotheca...

Herbicide resistance in weeds endowed by enhanced detoxification : complications for management (2004)

Preston, Christopher A.

Herbicide-resistant weeds are a constraint to weed management in many cropping regions around the world. Of the numerous populations of weeds with resistance to herbicides, it appears that most have...

Tillage system effects on seedling recruitment pattern and persistance of lolium rigidum gaudin (annual ryegrass) seed-bank (2004)

Chauhan, B. S., Gill, Gurjeet Singh, Preston, Christopher A., McDonald, Glenn Keith

In the growing season of 2003, a field study was undertaken to investigate the effects of tillage systems on the vertical distribution, recruitment pattern and persistence of Lolium rigidum Gaudin...

Farmer perceptions on herbicide resistance and proposed herbicide use to control annual ryegrass in South Australia (2004)

Hawthorn-Jackson, D. T., Preston, Christopher A., Davidson, R. M.

The relationship between the use of herbicides to control Lolium rigidum and herbicide resistance was investigated by surveying 62 growers with properties located in major South Australian grain...

Roadside canola in South Australia and Victoria: persistent or transient populations? (2004)

Baker, Jeanine, Preston, Christopher A.

The commercial release of herbicide resistant cultivars of canola has raised the spectre that canola will become more 'weedy' in the future. One way of addressing this question is through determining...

Evolution and spread of herbicide resistant barley grass (Hordeum glaucum Steud. And H. leporinum Link.) in South Australia (2004)

Hidayat, I., Baker, Jeanine, Preston, Christopher A.

The barley grasses (H. glaucum and H. leporinum (H. murinum subsp. leporinum)) are important weeds of crops and pastures in South Australia. Populations of both species have evolved resistance to...

Do all legumes pose the same weed risk? Development of a method to evaluate the risk of introduced legumes to temperate Australia (2004)

Emms, J., Virtue, J. G., Preston, Christopher A., Bellotti, W. D.

The importation of plants always carries with it the substantial risk of introducing new weed species. Currently, there is significant interest in the use of perennial legumes for the management of...

Glyphosate resistance management in Roundup Ready® cotton (2004)

Werth, J. A., Preston, Christopher A., Roberts, G., Taylor, I.

Cotton is the first broad acre crop in Australia to have genetically modified (GM) herbicide-tolerant cultivars commercially available. The introduction of glyphosate-tolerant cotton into Australian...

Field crop herbicide injury : the ute guide. Rural solutions (2004)

Yeatman, T., Wurst, M., Moerkerk, M., Andrews, T., Preston, Christopher A.

http://proxy.library.adelaide.edu.au/login?url=http://library.adelaide.edu.au/cgi-bin/Pwebrecon.cgi?BBID=1165645

Herbicide resistance in weeds endowed by enhanced detoxification : complications for management (2004)

Preston, Christopher A.

Herbicide-resistant weeds are a constraint to weed management in many cropping regions around the world. Of the numerous populations of weeds with resistance to herbicides, it appears that most have...

Polyamines can inhibit paraquat toxicity and translocation in the broadleaf weed Arctotheca calendula (2004)

Soar, Christopher John, Preston, Christopher A., Karotam, J., Powles, S. B.

Reduced paraquat transport from the site of application to the site of action in the chloroplast seems a likely mechanism for paraquat resistance in several weed species including Arctotheca...

Tillage system effects on seedling recruitment pattern and persistance of lolium rigidum gaudin (annual ryegrass) seed-bank (2004)

Chauhan, B. S., Gill, Gurjeet Singh, Preston, Christopher A., McDonald, Glenn Keith

In the growing season of 2003, a field study was undertaken to investigate the effects of tillage systems on the vertical distribution, recruitment pattern and persistence of Lolium rigidum Gaudin...

Farmer perceptions on herbicide resistance and proposed herbicide use to control annual ryegrass in South Australia (2004)

Hawthorn-Jackson, D. T., Preston, Christopher A., Davidson, R. M.

The relationship between the use of herbicides to control Lolium rigidum and herbicide resistance was investigated by surveying 62 growers with properties located in major South Australian grain...

Roadside canola in South Australia and Victoria: persistent or transient populations? (2004)

Baker, Jeanine, Preston, Christopher A.

The commercial release of herbicide resistant cultivars of canola has raised the spectre that canola will become more 'weedy' in the future. One way of addressing this question is through determining...