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Helen Spafford Jacob

Observed names: H. Spafford Jacob, Helen Spafford-Jacob, Spafford Jacob, Helen
OpenAlex ID: A5110193126
Aphid Resistance in Medicago truncatula Involves Antixenosis and Phloem-Specific, Inducible Antibiosis, and Maps to a Single Locus Flanked by NBS-LRR Resistance Gene Analogs
2005 · John Klingler, Robert Creasy, et al. · PLANT PHYSIOLOGY · 227
Improving the selection, testing and evaluation of weed biological control agents
2002 · Helen Spafford Jacob, D. T. Briese · 109
Variation in postdispersal weed seed predation in a crop field
2006 · Helen Spafford Jacob, David M. Minkey, et al. · Weed Science · 83
Prioritising agents based on predicted efficacy: beyond the lottery approach.
2003 · A. W. Sheppard, Helen Spafford Jacob, et al. · 48
The centrifugal phylogenetic method used to select plants for host-specificity testing of weed biological control agents: can and should it be modernised?
2003 · D. T. Briese, Helen Spafford Jacob · 38
The influence of water deficiency on the relationship between canola (Brassica napus L.), and two aphid species (Hemiptera: Aphididae), Lipaphis erysimi (Kaltenbach) and Brevicoryne brassicae (L.)
2006 · Chrystal King, Helen Spafford Jacob, et al. · Australian Journal of Agricultural Research · 31
Does ecology help in the selection of biocontrol agents
2003 · Rachel McFadyen, Helen Spafford Jacob, et al. · 25
Influence of different sugars on the longevity of Bathyplectes curculionis (Hym., Ichneumonidae)
2004 · H. Spafford Jacob, E. W. Evans · Journal of Applied Entomology · 22
Predictability and acceptability: potential for damage to non-target native plant species by biological control agents for weeds.
2003 · A. J. Willis, Marion J. Kilby, et al. · 22
Biology of Stethynium sp. (Hymenoptera: Mymaridae), a Native Parasitoid of an Introduced Weed Biological Control Agent
2006 · Helen Spafford Jacob, Anna Joder, et al. · Environmental Entomology · 16
The roles of ecological models in evaluating weed biological control agents and projects.
2003 · Darren J. Kriticos, Helen Spafford Jacob, et al. · 13
What is needed to improve the selection, testing and evaluation of weed biological control agents: workshop synthesis and recommendations.
2003 · A. W. Sheppard, Tim A. Heard, et al. · 13
Improving the selection, testing and evaluation of weed biological control agents. Proceedings of the CRC for Australian Weed Management biological control of weeds symposium and workshop, 13 September 2002, University of Western Australia, Perth, Australia.
2003 · Helen Spafford Jacob, D. T. Briese · 12
Evaluating the effectiveness of weed biocontrol at the local scale.
2003 · K. Dhileepan, Helen Spafford Jacob, et al. · Queensland Department of Agriculture and Fisheries archive of scientific and research publications (Queensland Department of Agriculture and Fisheries) · 10
Improving release strategies to increase the establishment rate of weed biocontrol agents
2004 · Michael Day, D. T. Briese, et al. · UWA Profiles and Research Repository (University of Western Australia) · 8
Getting the most out of sequential teaching
2002 · Helen Spafford Jacob, Rex Honey, et al. · 8
The presence of Zygina sp. and Puccinia myrsiphylli reduces survival and influences oviposition of Crioceris sp.
2006 · Helen Spafford Jacob, Thomas E. Reilly, et al. · BioControl · 6
The effectiveness of ant baiting to reduce predation of Crioceris sp. (Coleoptera: Chrysomelidae), a biological control agent for bridal creeper.
2004 · Thomas E. Reilly, Helen Spafford Jacob, et al. · UWA Profiles and Research Repository (UWA) · 6
The selection, testing and evaluation of weed biological control agents: Is there still room for improvement?
2002 · D. T. Briese, Tim A. Heard, et al. · UWA Profiles and Research Repository (University of Western Australia) · 5
Quarantine law loophole: an examination of the known weed species permitted for import without weed risk assessment.
2004 · Helen Spafford Jacob, R. P. Randall, et al. · 4
Evaluating biological control at the regional scale.
2003 · A. Swirepik, Matthew Smyth, et al. · 4
Weeds "Threats now and forever"
2002 · Helen Spafford, J. Dodd, et al. · UWA Profiles and Research Repository (University of Western Australia) · 3
Biology of Stethynium sp. nov. (Hymenoptera: Mymaridae) an egg parasitoid of Zygina sp. (Hemiptera: Cicadellidae)
2002 · Anna Joder, Helen Spafford Jacob, et al. · UWA Profiles and Research Repository (UWA) · 3
An evaluation of National and State policy and procedures for the prevention of the importation of weeds into Australian rangelands
2006 · Helen Spafford Jacob, Rod Randall · The Rangeland Journal · 2
How effective is host testing at predicting non-target impacts of weed biological control agents in Australia?
2004 · Dianne B. J. Taylor, Tim A. Heard, et al. · UWA Profiles and Research Repository (UWA) · 2
Works count: 35
Citation count: 722
H-index: 12
I10-index: 14
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