Control of root-knot nematode infection by rhizobacteria in tomato plants
Plants can encourage rhizobacteria to help fight of rot-knot nematodes. More
William Salter
William (Tam) Salter is a Postdoctoral Research Associate in the School of Life and Environmental Sciences and Sydney Institute of Agriculture at the University of Sydney. He has a bachelor degree in Ecological Science (Hons) from the University of Edinburgh and a PhD in plant ecophysiology from the University of Sydney. Tam is interested in the identification and elucidation of plant traits that could be useful for ecosystem resilience and future food security under global environmental change. He also has an active interest in effective scientific communication.
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in Ecosystems
Effect of simulated warming on Leymus chinensis grasslands of northeast China
Mean global temperatures have risen by almost 1°C since 1850 and are predicted to continue to rise through to the end of the century. Understanding how grasses are affected by a long-term increase in temperature is crucial to predicting the future impacts of climate change. Grasslands occupy over 3.5 billion hectares of land and store […] More
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in Ecosystems, Featured
Resource allocation trade-offs in a mast-seeding conifer
Three key functions are required for the long-term persistence of tree populations in a landscape. Broadly speaking, trees must acquire and allocate resources to maintain or increase their biomass, to tolerate or resist stress, and to pass genetic material to new generations. Yet the three central resource allocation pathways of growth, defence and reproduction have […] More
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in Ecosystems
Seedling responses to salinity of 26 Neotropical tree species
How will coastal ecosystems change when some seedling can tolerate rising tides, and others cannot? More
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in Ecosystems
Risk-takers and risk-avoiders: germination sensitivity to water stress in an arid zone with unpredictable rainfall
How much water does it take to turn an arid land into a hotbed of new life? More
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Can insights from invasion ecology promote benefits from root mutualisms in plant production?
Ramoneda et al. propose specific experimental approaches to utilize the wild ancestors of crops to determine whether crop domestication compromised the benefits derived from root microbial symbioses or not. More
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Thermal acclimation of plant respiration is tissue type specific
Carbon released from the land surface is one of the largest fluxes of carbon dioxide (CO2) between the atmosphere and the Earth’s surface, with plant respiration accounting for about half of this flux. As a result, terrestrial biosphere models are highly sensitive to changes in plant respiratory processes. The thermal acclimation response of plant respiration […] More
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Cold stress tolerance genes of the wild cotton species Gossypium thurberi
Low temperatures at the start of the growing season can impair the productivity of crop species. Chilling (0 – 20°C) and freezing (< 0°C) both negatively affect plant growth and development. Cotton is an important crop and the primary source of natural fiber for the textile industries. Cotton production has been hit hard by various […] More
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Stem and leaf growth rates define the leaf size vs. number trade-off
In trees, the trade-off between leaf number and individual leaf size on current year shoots (twigs) is crucial to light interception. This relationship has consequences on leaf energy balance as well as carbon uptake at the whole plant level. Previous studies have suggested that it is advantageous for plants to have smaller but more numerous […] More
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Drought tolerance strategies of conifer species in the northwestern US
As trees photosynthesize, using carbon from the atmosphere to grow and store energy, they also lose water to the air (transpire). During a drought, continuing to photosynthesize and transpire puts trees at risk of damaging their hydraulic conductivity and overall health. With growing seasons expected to lengthen with climate change in the northwestern USA, the […] More
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Ovule and seed production patterns in relation to flower size and floral symmetry
Animal pollinated flowers show two types of floral symmetry, actinomorphy (radial symmetry) with several planes of symmetry or zygomorphy (bilateral symmetry) with just one symmetry plane. Although these floral types evolved separately, to a large degree they show functionally similar pollination patterns. However, zygomorphic flowers are often visited by a narrower range of pollinator groups. […] More
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Effects of deer exclusion on plant recovery in dune ecosystems after a severe coastal storm
The dunes of barrier islands erode during storm events but they also prevent damage to inland ecosystems. For these dunes to function in this way, vegetation recovery between storm events is essential. Characteristic of dune-building grasses, growth of roots and shoots increases as sand accumulates at the base, forming a new dune over time. Factors […] More
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