N. R. Spencer

Biological Control of Leafy Spurge
20219 citationsauthor #2
Host Specificity of Thamnurgus euphorbiae Küster (Coleoptera: Scolytidae): A Potential Biological Control Agent of Leafy Spurge Euphorbia esula L. (Euphorbiaceae) in the United States
20041 citationsauthor #4
Prospects for the search for weed biocontrol agents in Russia.
20040 citationsauthor #6
Lessons in developing successful invasive weed control programs.
200340 citationsauthor #3
Use of remote sensing for detecting and mapping leafy spurge ( Euphorbia esula ) 1
20010 citationsauthor #6
Relationships among Edaphic, Climatic, and Vegetation Conditions at Release Sites and Aphthona nigriscutis Population Density
200111 citationsauthor #3
Force Diseases of leafy spurge in the northern Great Plains
20010 citationsauthor #4
Biological control in the developing world: safety and legal issues.
20001 citationsauthor #3
Emphasizing behavioural host-range: the key to resolving ambiguous host-specificity results on Lantana camara L.
20008 citationsauthor #2
Combinations of microbial and insect biocontrol agents for management of weed seeds.
20009 citationsauthor #2
A century of classical biological control of Lantana camara: can pathogens make a significant difference?
200034 citationsauthor #3
Amino acid excretion enhances virulence of bioherbicides.
200010 citationsauthor #8
The biological control programme against Clematis vitalba in New Zealand.
200019 citationsauthor #6
Establishment, spread and impact of Pareuchaetes pseudoinsulata (Lepidoptera: Arctiidae) an exotic predator of the Siam weed, Chromolaena odorata (Asteraceae: Eupatoriae) in Ghana.
200013 citationsauthor #3
Progress and prospects for biological control of Solanum viarum Dunal in the USA.
20007 citationsauthor #7
The gloomy future of the broom rust as a biocontrol agent.
20005 citationsauthor #4
Ecological principles of biological control: from population theory to weed biocontrol practice.
20009 citationsauthor #3
Spotted knapweed (Centaurea maculosa Lamarck) seed and Urophora spp. gall destruction by Larinus minutus Gyllenhal (Coleoptera: Curculionidae) combined with Urophora affinis Frauenfeld (Diptera: Tephritidae) and Urophora quadrifasciata (Meigen) (Diptera: Tephritidae).
20008 citationsauthor #5
The demographic performance of the capitulum weevil, Larinus latus, on Onopordum thistles in its native and introduced ranges.
20005 citationsauthor #3
Biological control of mist flower (Ageratina riparia, Asteraceae): transferring a successful program from Hawaii to New Zealand.
200011 citationsauthor #9
Design and importance of post-release monitoring.
200040 citationsauthor #3
Technology transfer programs for biological control of weeds - the New Zealand experience.
20008 citationsauthor #2
Recent developments in the biological control of invasive acacias in South Africa: Melanterius servulus (Coleoptera: Curculionidae) against Acacia cyclops.
20009 citationsauthor #6
Will expected and unexpected non-target effects, and the New Hazardous Substances and New Organisms Act, cause biological control of broom to fail in New Zealand?
200035 citationsauthor #4
Trivial and political reasons for the failure of classical biological control of weeds: a personal view.
200034 citationsauthor #2
Critical steps towards an integrated vegetation management strategy for the control of purple loosestrife in Manitoba, Canada.
20002 citationsauthor #5
Gall former as a biological control for strawberry guava -Psidium cattleianum.
20001 citationsauthor #2
New biological control initiatives against weeds of South American origin in Australia: Nassella tussock grasses and blue heliotrope.
20008 citationsauthor #8
The weevils Argentinorhynchus breyeri, A. bruchi and A. squamosus (Coleoptera: Curculionidae), candidates for the biological control of waterlettuce (Pistia stratiotes).
20006 citationsauthor #3
Oviposition behavior of insects used in the biological control of weeds.
200014 citationsauthor #2
The future of biological control of weeds with insects: no more 'paranoia', no more 'honeymoon'.
200011 citationsauthor #2
Australian seed-preventing gall midges (Diptera: Cecidomyiidae) as potential biological control agents for invasive Acacia spp. in South Africa.
200018 citationsauthor #4
Ecological studies to optimise the integrated management of the wetland weed, Mimosa pigra.
20009 citationsauthor #6
Why reduced seed production is not necessarily translated into successful biological weed control.
200062 citationsauthor #1
The biology of Tectococcus ovatus Hempel (Heteroptera: Eriococcidae) and its potential as a biocontrol agent of Psidium cattleianum (Myrtaceae).
200015 citationsauthor #4
Assessing the risk to Neptunia oleracea Lour. by the moth, Neurostrota gunniella (Busck), a biological control agent for Mimosa pigra L.
20003 citationsauthor #4
Host specificity of the grasshopper, Cornops aquaticum, a natural enemy of water hyacinth.
200013 citationsauthor #3
Management of horse purslane (Trianthema portulacastrum L.) with Gibbago trianthemae Simmons in India.
200041 citationsauthor #4
The herbivorous insect fauna of a submersed weed, Hydrilla verticillata (Alismatales: Hydrocharitaceae).
200024 citationsauthor #3
The biocontrol of gorse, Ulex europaeus, in Chile: a progress report.
200026 citationsauthor #4
What we learned from the failure of the ragweed leaf beetle in Russia.
20003 citationsauthor #2
Strawberry guava (Psidium cattleianum) - prospects for biological control.
200021 citationsauthor #6
Effects of synthetic congeners of the natural product phytotoxins maculosins-1 and -2 on growth of wheat coleoptile (Triticum aestivum L. cv. Wakeland).
20004 citationsauthor #6
The performance of the water hyacinth mirid, Eccritotarsus catarinensis, on water hyacinth and pickerelweed: a comparison of laboratory and field results.
200011 citationsauthor #6
Biological control of alien, invasive pine trees (Pinus species) in South Africa.
200053 citationsauthor #6
Host plant resource quality, insect herbivores and biocontrol.
200028 citationsauthor #2
Shoot flies, gall midges, and shoot and rhizome mining moths associated with common reed in Europe and their potential for biological control.
200013 citationsauthor #3
Saltcedar integrated weed management and the Endangered Species Act.
200016 citationsauthor #2
Using randomly amplified polymorphic DNA polymerase chain reaction (RAPD-PCR) to match natural enemies to their host plant.
20005 citationsauthor #8
Factors influencing the biological control of Lantana camara in Australia and South Africa.
200045 citationsauthor #3
Biology and specificity tests of the sawfly - Heteroperreyia hubrichi Malaise, 1955 (Hymenoptera: Pergidae) a potential biological control agent for Brazilian peppertree - Schinus terebinthifolius Raddi (Anacardiaceae).
200015 citationsauthor #4
Ten years of scentless chamomile: prospects for the biological control of a weed of cultivated land.
200014 citationsauthor #3
Biological control of weeds in Mauritius: past successes revisited and present challenges.
200025 citationsauthor #5
The potential role of Bruchophagus acaciae (Cameron) (Hymenoptera: Eurytomidae) in the integrated control of Acacia species in South Africa.
200011 citationsauthor #4
Successes in biological control of weeds.
200064 citationsauthor #2
Biological control of Chromolaena odorata: successes and failures.
200024 citationsauthor #3
Population buildup and combined impact of introduced insects on yellow starthistle (Centaurea solstitialis L.) in California.
200010 citationsauthor #6
Evaluation of fungal and bacterial agents for biological control of Canada thistle.
200024 citationsauthor #8
Successful etablishment of exotic agents for classical biological control of invasive weeds in Virginia.
20006 citationsauthor #4
Pathogens on and variation in Nasella trichotoma (Poales: Poaceae) in Australia.
20006 citationsauthor #4
Post release monitoring of Xubida infusella (Lep.: Pyralidae): an example of using pheromones for the early detection of establishing populations of biological control agents.
20003 citationsauthor #5
The successful biological control of spinyhead Sida, Sida acuta (Malvaceae), by Calligrapha pantherina (Col: Chrysomelidae) in Australia's Northern Territory.
200020 citationsauthor #4
Comparison of genetic diversity of the weed Rubus alceifolius in its introduced and native areas
20001 citationsauthor #5
Strategies for achieving widespread establishment of broom seed beetle, Bruchidius villosus (Coleoptera: Chrysomelidae), a biological control agent for broom, Cytisus scoparius, in New Zealand.
20005 citationsauthor #7
The biological control program against gorse in New Zealand.
200061 citationsauthor #4
Biological control of cleavers (Galium spurium and G. aparine) with pathogenic fungi - exploration and discovery.
20003 citationsauthor #3
The phytophagous insect fauna of Scotch thistle, Onopordum acanthium L., in Southeastern Washington and Northwestern Idaho.
20002 citationsauthor #3
Isolation and partial characterization of phytotoxins produced by Exserohilum monoceras, a potential bioherbicide for control of Echinochloa species.
200016 citationsauthor #3
The petiole mining fly, Thrypticus sp. (Diptera: Dolichopodidae), a new agent for the biological control of water hyacinth (Eichhornia crassipes).
20005 citationsauthor #4
Insects associated with mile-a-minute weed (Polygonum perfoliatum L.) in China: a three-year-survey report.
200010 citationsauthor #3
Current researches of Brazilian weeds in Paraná State - Biological Control of Weeds Program, Curitiba, Paraná, Brazil.
20004 citationsauthor #5
Apion miniatum (Coleoptera: Apionidae) and the control of Emex australis (Polygonaceae): conflicts of interest and non target effects.
20006 citationsauthor #4
Sequential impacts of endemic pathogens, exotic mollusks and insects on yellow starthistle (Centaurea solstitialis L.) in California.
20003 citationsauthor #4
Application of biological control to vegetation management in forestry.
200013 citationsauthor #2
Agent release techniques: what is appropriate for redistribution projects that involve community groups?
19999 citationsauthor #3
Biological Control of Leafy Spurge: An Emerging Success Story
199932 citationsauthor #3
The life history and biology of Aphthona russica sp. nov. (Coleoptera: Chrysomelidae: Alticinae), a potential biological control agent of leafy spurge.
19995 citationsauthor #5
Weeds and approved biological control agents : The spurges
19961 citationsauthor #3
Niche specificity of insects introduced for leafy spurge control
19960 citationsauthor #1
Mapping leafy spurge (euphorbia esula) infestations using aerial photography and geographic information systems
199648 citationsauthor #4
Use of Remote Sensing for Detecting and Mapping Leafy Spurge (Euphorbia esula)
1995126 citationsauthor #5
Imported insect establishment for leafy spurge (Euphorbia esula) control
19940 citationsauthor #1
Exotic insects for leafy spurge control
19942 citationsauthor #1
Insects for leafy spurge control
19941 citationsauthor #1
Characterization of Rhizoctonia spp. causing disease of leafy spurge in the Northern Plains
199323 citationsauthor #3
The biological control of leafy spurge: Past, present and future (abstract only)
19910 citationsauthor #1
The biological control of leafy spurge-1990
19902 citationsauthor #1
Impact of a Seed-Feeding Insect and Microorganisms on Velvetleaf (Abutilon theophrasti) Seed Viability
198947 citationsauthor #2
Interaction of Insects, Fungi, and Burial on Velvetleaf (Abutilon theophrasti) Seed Viability
198927 citationsauthor #2
Using Protein Electrophoresis to Investigate the Phylogeny of Velvetleaf (Abutilon theophrasti)
19886 citationsauthor #2
Inundative biological control of velvetleaf,Abutilon theophrasti [Malvaceae] withNiesthrea louisianica [Hem.: Rhopalidae]
19887 citationsauthor #1
Niesthrea louisianica (Hemiptera: Rhopalidae) Reduces Velvetleaf, Abutilon theophrasti (Malvaceae), Seed Production and Viability
19877 citationsauthor #1
Effects of Temperature on Damage to Velvetleaf (Abutilon theophrasti) by the Scentless Plant Bug Niesthrea louisianica
19874 citationsauthor #3
Biological control of velvetleaf: foreign exploration phase.
19851 citationsauthor #1
Velvetleaf,Abutilon theophrasti (malvaceae), history and economic impact in the United States
198459 citationsauthor #1
Field Tests With the Musk Thistle Insects Trichosirocalus (Ceuthorhynchidius) horridus and Ceutorhynchus trimaculatus to Determine Their Impact on Artichoke
19813 citationsauthor #2
The phenology and growth of water hyacinth (Eichhornia crassipes (Mart.) Solms) in a eutrophic north-central Florida lake
1981158 citationsauthor #1
Exploration for biotic agents for the control of Rumex crispus.
198110 citationsauthor #1
SODIUM ALGINATE AS A GELLING AGENT IN DIETS FOR THE CABBAGE LOOPER, TRICHOPLUSIA NI
19768 citationsauthor #1
The biological control of alligatorweed, Alternanthera philoxeroides, in the United States of America
197678 citationsauthor #1

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