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General Discussion and Opinions
GE Insects
Corn -- other insect resistance
Bt Corn
Monarchs and Bt
Bt Corn for Rootworm Control
Bt Corn for ECB Control
Starlink Corn
Bt Corn and Mycotoxins
Bt Cotton
Bt Potatoes
Bt Rice
Other Bt Crops
Reregistration of Bt Crops
Other Mechanisms of Resistance
Managing Resistance
Technical Overviews and Position Papers
ECB Resistance Management Plans
Ecological Risks
Indicates Link Outside Ag BioTech InfoNet
Indicates Technical Paper

General Discussion and Opinions
No bio-terror fear from Bacillus thuringiensis (Bt) say plant scientists -- Rumors of anthrax-like
dangers from organic pesticides and biotech plants are unfounded, AgBioWorld,
October 29, 2001
Commentary -- Bt or not Bt: Is that the question?,
Proceedings of the National Academy of Sciences, Vol. 98, Issue 22, October 23, 2001
NCGA Requests $50 Million for Plant
Biotechnology/Genomics Research at USAID,
Press Release, PRNewsWire, March 29, 2001
EPA Report Finds Biotech Crops Have Little Impact On Monarch
Butterflies, Food and Ag Biotech (BIO) Press Release, October 19, 2000
Sex, lies, and herbicides, Nature Biotechnology,
18(3):241, March 2000.
Agricultural Biotechnology: Insect Control Benefits, NCFAP
Report, July 12, 1999
Guelph Prof Dubious of Genetically
Altered Seed, The Expositor (Brantford), June 23, 1999
Genetically Engineered Crops for Pest
Management, ERS, June
25, 1999
Bt Impacts on Soil Microbial Communities Needs Further
Study, Charles M. Benbrook, June 24, 1999
New strain of Bt discovered in Egypt, June 21, 1999
So Why All the Fuss Over GE Foods?,
Sanders County Ledger, Thompson Falls, MT, March 16, 1999
Against the Grain, Rachel's Environment
February 11, 1999
What is "Natural"?, SANET post by E.
Ann Clark, February 3, 1999
Genetically Engineered Insects
- Splicing the Sting Out of Bugs, LA Times, April 9, 2001
- Terminator Insects – The Killing of Females, The Institute of
Science in Society (I-SIS), March 26, 2001
- Terminator insects give wings to genome invaders, ISIS Report,
March 19 2001
- Piggybac a name to remember, ISIS Report,
March 15 2001
- Prepare for the 'Terminator': first release of biotech insect planned for
summer, Associated Press, March 6, 2001
Corn -- Other Insect Resistance
Bt Corn
NEW Section on Bt Corn and Mycotoxins
NEW Section on Bt Corn for Rootworm Control
NEW Section on Starlink Corn Impacts of Bt corn on
Monarch Butterflies.
- USDA approval for new Bt corn sought, Reuters, March 14, 2002
- Maize Pollen Longevity and Distance Isolation Requirements for Effective
Pollen Control, Crop Science, Volume 41, 2001
- Beyond Insecticidal Toxicity to
Ecological Complexity, BioScience 353 Articles Volume 51, May 2001
- Dow/Pioneer Receive U.S. Approval for New Bt Corn Trait, Agweb.com,
June 19, 2001
- "Push-pull biocontrol versus Bt corn -- an African example",
Biotech and Sus ag/ICIPE project
For details of how to obtain
a video about ICIPE's work
Bt Corn for European Corn Borer (ECB) Control
- EPA tightens BT corn enforcement - Actions aimed to prevent insect
resistance, Agweek Staff Writer, December 9, 2002
- The Bt Premium Price:
What Does it Buy? The Impact of Extra Bt Corn Seed Costs on Farmer
Earnings and Corporate Finances, Part 3 in the What's in it
for farmers? Series, IATP, February 2002
- When Does It Pay To Plant Bt Corn? Farm-Level Economic Impacts of
Bt Corn, 1996-2001, IATP, December 2001
- Bt Corn Costs Often Higher Than Returns in Indiana, Ag Answers,
October 26, 2001
Responsible Deployment of Bt Corn Technology in Ontario,
Canadian Food Inspection Agency, Plant Health and Production Division,
Plant Biosafety Office, February 8, 1999
- Corn Geneticists Advance Using Biotech
to Speed Classical Plant Breeding, USDA ARS News Service, September
12, 2001
Canadian Food Inspection Agency,
Plant Biosafety Office increases insect resistance management requirements for Bt corn growers.
- Study Confirms Crop Pests' Preference For Corn In Northeastern
And Mid-Atlantic Refuges, Entomological Society Of America, August 16, 2001
- Science Paper Issues Biotech Caution, Farm Progress, July 3, 2001
- Study Questions Widespread Use of Bt Corn, Agweb.com, June 27, 2001
Life history attributes of Indian meal moth (Lepidoptera:
Pyralidae) and Angoumois grain moth (Lepidoptera: Gelechiidae)
reared on transgenic corn kernels. ABSTRACT, J Econ Entomol, 2001
Apr; 94(2):586-92
- New Biotech Corn Gets Conditional Clearance, Farm Progress, May
31, 2001
- Bt Refuges Maintain Effective Pest Control, AgWeb News, April 10. 2001
- Bt Corn Insect Resistence Management Survey - 2000 Growing Season,
Agricultural Biotechnology Stewardship Technical Committee, January 31, 2001
- Wrangling Over Refuges -- Will non-Bt refuges delay corn borer
resistance?, Soybean Digest, November 2000
- Picky Pests, The New Scientist, November
12, 2000
- Gene flow in the European corn borer Ostrinia nubilalis: implications for the
sustainability of transgenic insecticidal maize (Abstract),
Proceedings of the Royal Society of London. Series B, Biological
Sciences vol. 267 (1439) p.117-122, 2000
- Do GMOs Pay?
One Study Leads to the Conclusion That They Might Not. But that Doesn't
Mean Farmers Won't--or Shouldn't--Continue To Use Them, Progressive Farmer, August 2000
- Corn Borers No Threat to Philippine Farmers, The Philippine
Post , June 14, 2000
- Comments from Environmental Defense on EPA's
"Cry9C Food Allergenicity Background Document", Presented to the EPA
Science Advisory Panel, Arlington, VA by Luca Bucchini, Ph.D.
School of Public Health, Johns Hopkins University and Rebecca Goldburg, Ph.D
Senior Scientist, Environmental Defense, February 29, 2000
Review on Non-Target Organisms and Bt-plants, EcoStrat Report --
A Report to Greenpeace Internations, Amsterdam, April, 2000
Press Release and TOC
Novartis response to the EcoStrat Report
- King of Corn Wins Yield Prizes,
But His Methods Are Criticized, The Wall Street Journal, February 28, 2000.
- Transgenic Maize in Mexico: No Need for Concern,
Science, Volume 287, Number 5457, p. 1399, February 25, 2000.
- Germany bans Novartis bt corn in move to
protect public health, environment, Greenpeace
Press Release, February 16, 2000.
- NCGA Welcomes EPA Biotech Decision, PR Newswire,
National Corn Growers Association, January 18, 2000
- Baby Steps: Conditions Imposed for Crop Year 2000 on Farmers Planting
Bt-Transgenic Corn for ECB Control, Charles Benbrook, January 2000
- Bt Toxin: Assessing GM Strategies, Letter in
Science, Volume 287, Number 5450, p 41, January 7, 2000
- Resistance to Bt Toxins, Letter in
Science, Volume 287,
Number 5450, p 41, January 7, 2000
- Response, Science, Volume 287,
Number 5450, p 41, January 7, 2000
- Yield Comparison of Bt and Non-Bt Corn
Hybrids in Missouri in 1999, Integrated Pest and Crop
Management Newsletter, December 17, 1999
- The Economics of Bt Corn, Adoption Implications,
Jeffrey Hyde, Marshall A. Martin, Paul V. Preckel, C. Richard
Edwards, Department of Agricultural Economics, Purdue University, 1999
- Regulating Bt maize in the USA and Europe: a
scientific-cultural comparison, (excerpts by author) Environment, December 1999,
41(10): 10-22
Insecticidal toxin in root exudates from Bt corn - abstract,
Nature, December 2, 1999
- Ontario Corn Industry To Meet Needs
of Customers for Biotechnology-Modified Corn,
Agnet, May 19, 1999 -- Ontario Corn Producers' Association
-
ADM Joins Staley in Rejecting Some
Transgenic Corn,
grainnet.com post, April 14, 1999
- World Food System Challenges and Opportunities:
GMOs, Biodiversity, and Lessons from America's
Heartland, Dr. Charles Benbrook, for the University of
Illinois World Food and Sustainable Agriculture Program, January 27, 1999
(PDF 151K)
- Corn Seed Producers Move to Avert Pesticide
Resistance, Washington Post, January 9, 1999
- New Evidence on Bt Corn Disputes
Companies' Claims of Safety, Brussels, August 1998
- EU Delays Plans to End Ban on Gene-Altered Maize, Reuters World Report,
April 15, 1998
- Comments Re Docket OPP-30444 on behalf of Consumers Union
in response to the December 19, 1997 Environmental
Protection
Agency Federal Register notice regarding the addition
of
popcorn to a previously approved application from Novartis
covering Bt-transgenic corn
- Approval of Bt Corn in Switzerland, Financial Times
(London), January 7, 1998
- Maine Board of Pesticide Regulation Passes on
Bt Forage Corn Registrations, The Quarterly Electronic Publication of the Maine Board of Pesticides
Control, December 30, 1997
- 1997 Bt Yield Studies Bt Corn
Delivers Economic Benefits; Season-Long Protection Is Critical,
December 8, 1997 (Source: Monsanto)
From the European Commission,
Scientific Committee on Plants,
the opinion of the SCP on Bt Resistance monitoring, March 4, 1999
Bt Cotton
- Failure of Bt Cotton in India, Press Release from
Research Foundation for Science, Technology and Ecology (RFSTE),
September 26, 2002
- Australian firm develops biopesticide for cotton, Reuters,
August 16, 2002
- Bt cotton -- bitter harvest, posted on AgBioIndia, August
27, 2002
- Bt Cotton Prone to Leaf Curl Virus
in North India, Posted on AgBioIndia, August
27, 2002
- The Economics of Bt Cotton, by Suman Sahai, posted on
AgBioIndia Mailing List, June 19, 2002
Summary of Research on the Environmental Impacta of Bt
Cotton in China, By Dayuan XUE, Nanjing Institute of
Environmental Sciences the State Environmental Protection
Administration of China, Published by Greenpeace, June 2002
- Chinese researcher says genetically altered cotton will
lose effectiveness, Associated Press, June 3, 2002
- Genetically Altered Cotton Transforms Farming in S. Africa,
St. Louis Post-Dispatch, November 26, 2001
- The irony of illegal Bt cotton, The Hindu,
November 7, 2001
- Illegal Bt Cotton in India,
posted to AgBioView, October 24, 2001
- India urged to halt gene cotton field trials
Reuters, October 22, 2001
- GM cotton crop to be destroyed, The Times of India, October 19,
2001
- Monsanto's INGARD Bt cotton failing to control target pest in Australia
Transgenic and Insect Management Strategy (TIMS) Committee of
the Australian Cotton Growers Research Association issues revised farmer guidelines;
sustainability of new technology in question
- Transgenic Cotton in Mexico: Economic and Environmental Impacts
AGBIOVIEW posting, August 14, 2001
Spatial and temporal variation in susceptibility of the American bollworm,
Helicoverpa armigera (Hubner) to Bacillus thuringiensis var.
kurstaki in India (ABSTRACT), Current Science vol. 78 (8) p.995-1001, 2000
- Reexamination of Pest Resistance Management Models Advised, ISB
News, May 2001
- A Glowing Achievement, or a Can of Worms? Proposed Field Test of
Gene-Altered Cotton Pest Debated, Washington Post,
via Farm Power News, April 245, 2001
- Mechanism Of Tobacco Budworm Resistance To Bt Proposed, USDA ARS,
March 2001
- Assassin Bugs - A New Weapon for Pest Management, Central
Queensland Cotton Tales, Cotton Word, March 12, 2001
- Three Cheers!, AgWeb - Farm Journal, March 3, 2001
Genetics of Pink Bollworm Resistance to Bacillus
thuringiensis Toxin Cry1Ac, ABSTRACT, Journal of Economic Entomology,
Vol. 94:1, p. 248-252 February 2001
- Bt Cotton May Be Factor in Stinkbug Outbreak, Editors,
Progressive Farmer, February 1, 2001
- No Room for Complacency on Resistance to Bt,
Cotton World, November 30, 2000
Uptake and translocation of 14'C-glyphosate in
glyphosate-resistant cotton (ABSTRACT),
Weed Science Society of America Abstracts, 2000 Meeting of the
Weed Science Society of America, Vol 40, 2000
Early resistance of Helicoverpa armigera (Hubner) to Bacillus
thuringiensis and its relation to the effect of transgenic cotton lines
expressing BT toxin on the insect (Abstract), Acta-Entomologica-Sinica, 1998
Background Paper, "Transgenic Cotton: Are There Benefits for
Conservation?" A case study on GMOs in agriculture with an emphasis
on fresh water, WWF International, March 2000 -- Download the report in
either WORD or PDF format.
- Proposed guidelines for pre-commercial evaluation of transgenic
and conventional cotton cultivars. (Abstract) 2000 Proceedings Beltwide
Cotton Conferences, San Antonio, USA, 4-8 January, 2000:
Volume 1. p.503-507
- Effects of Bt (Bacillus thuringiensis) transgenic cotton on the dynamics of pest population
and their enemies,
(Abstract), Acta Phytophylacica Sinica vol. 27 (2) p.141-145, 2000
- Changes In Bt Cotton Refuges?, Editors, Progressive Farmer,
July 12, 2000
- Pockets of resistance, new Scientist, April 15, 2000
- Bollworms, genes and ecologists,
Nature,
400:500, September 5, 1999
- Open Letter RE: Monsanto's Bt
Cotton violates Thai plant quarantine laws and farmer's rights
, Bangkok, September 26, 1999
- Development time
and resistance to Bt crops,
Nature, 400:519 August 5, 1999
-
Monsanto GM Cotton Fails To Win EU Backing, REUTERS,
Brussels, Belgium, February 12, 1999
Initial
frequency of alleles for resistance to Bacillus
thuringiensis toxins in field populations of Heliothis
virescens, Fred Gould et al., UNC (PNAS 1997 94: 3519-3523).
- Thailand: Government passes up Pest-Free Cotton Plant,
IPS, December 3, 1997
- Bollgard/Bollworm Debate, Cotton
Grower, March, 1996
- Bt Cotton: Resistance to Bt,
Southern Sustainable Farming #12, September 1996
Bt Potatoes
- Russian scientists, U.S.-based Monsanto develop beetle-resistant potato
varieties, Associated Press, June 4, 2002
- Pringles spiked with GMO spuds recalled,
JapanToday.com, July 17, 2001
- Genetically modified spuds cleared Inspectors had blasted 'extremely poor'
field trials, Toronto Star, July 23, 2001
- GNA Expressing Potatoes, Information Systems for Biotechnology, M
May 29, 2001
- Monsanto Pulls Plug on NatureMark
Spuds, Ontario Farmer, March 6,
2001
- Federal Register Notice: June 15, 2000 (Volume 65, Number 116)]
[Page 37516-37517] -- Department of Agriculture, Animal and Plant Health
Inspection Service, [Docket No. 99-036-2] -- Monsanto Co.;
Notice of Extension of Determination of Nonregulated Status
for Potato Genetically Engineered for Insect and Virus Resistance
- Monsanto lab in Crystal closes amid food protests -- NatureMark
facility raised insect-resistent potatoes, Bangor Daily News,
Bangor, ME, May 3, 2000
- Unpalatable Truths, New Scientist, April 17, 1999
- Bill's Next Boner: Frankenstein
Incorporated, post to SANET, Steve Sprinkel, February 20, 1999
- Seeds of Destruction, Rachel's Environment and
Health Weekly #622, October, 1998
- British Minister Rejects Calls For Genetic Food Ban
Immune System Damage in Test, The Guardian (London), August 11, 1998
Bt Rice
Expression of multiple insecticidal genes confers broad resistance
against a range of different rice pests (ABSTRACT) Shahina Bano Maqbool,
Molecular Biotechnology Unit, John Innes Centre, Colney Lane, Norwich
NR4 7UH, UK
- Amberwaves Calls for a Moratorium on Genetically Engineered Rice Following
Destruction of 5 Millions Pounds of GE Rice in Texas, News Release, Amberwaves, May 24, 2001
-
A Promising Debut for Bt Hybrid Rice, ISB News Report,
September 2000
Other Bt Crops
Other Mechanisms of Resistance
- GNA Expressing Potatoes, ISB News, May 2001
- How Bacillus thuringiensis has evolved specific toxins to colonize the insect
world, by Ruud A. de Maagd, Alejandra Bravo and Neil Crickmore, TRENDS in Genetics Vol.17 No.4 April 2001 (pdf 255K)
- Genetically Engineered Spider Toxin Threatens Butterflies
and People, July 19, 2000
- Biotech companies must get back to basics to weigh
up risks, Letter in Nature, September 16, 1999
- Development time
and resistance to Bt crops,
Nature, 400:519 September 5, 1999
Jasmonate-inducible plant defences cause
increassed parasitism of herbivores -- Abstract, Nature
399:686-688, June 17, 1999.
The Bacillus thuringiensis Cry1Ac toxin-induced
permeability change in Manduca sexta midgut
brush border membrane vesicles proceeds by
more than one mechanism, Journal of Cell Science, 110:3099-3104, 1997.
Managing Resistance
Technical Overviews and Position Papers
An Interview with Bruce Tabashnik, ISI Essential Science Indicators,
Special Topics, August 2002
- Identification of a Gene Associated with Bt Resistance in Heliothis virescens,
Science, Vol 293, August 3, 2001

- Bt Corn Insect Resistence Management
Survey - 2000 Growing Season,
Agricultural Biotechnology Stewardship Technical Committee, January 31, 2001
Genetics of Pink Bollworm Resistance to Bacillus
thuringiensis Toxin Cry1Ac, ABSTRACT, Journal of Economic Entomology,
Vol. 94:1, p. 248-252 February 2001
- Susan Pusztai explains why Bt corn is NOT
"substantially equivalent" in terms of human safety and resistance
management
- Bt resistance in black diamond moth, Applied and Environmental Microbiology, vol.66, 2000
Early resistance of Helicoverpa armigera (Hubner) to Bacillus
thuringiensis and its relation to the effect of transgenic cotton lines
expressing BT toxin on the insect (Abstract), Acta-Entomologica-Sinica, 1998
- Field refuges prevent moth's resistance to genetic
insecticides, Cornell University News Service, March 2000
The differences between conventional Bacillus
thuringiensis strains and transgenic insect resistant plants:
Possible reasons for rapid resistance development and
susceptibility of non-target organisms
, Institute for Applied
Ecology, Prepared for the third meeting of the Open-ended
Working Group on Biosafety, Oct 13-17, 1997, Montreal, Canada
(PDF 22K)
- Seeking the root of insect resistance
to transgenic plants, Bruce E. Tabashnik, PNAS 1997 94:
3488-3490. (PDF 242 K)
One gene in diamondback moth
confers resistance to four Bacillus thuringiensis
toxins, Bruce E. Tabashnik, et al, PNAS 1997 94:
1640-1644. (PDF 241 K)
Global variation in the genetic
and biochemical basis of diamondback
moth resistance to Bacillus thuringiensis Bruce E. Tabashnik, et al,
PNAS 1997 94: 12780-12785.
Fight Between GMOs And The Bugs They Repel May Not Be Over
Presentation at the 222nd National Conference of the American Chemical Society (ACS) ,
August 29, 2001
Canadian Food Inspection Agency,
Plant Biosafety Office increases insect resistance management requirements for Bt corn growers.
Study Confirms Crop Pests' Preference For Corn In Northeastern
And Mid-Atlantic Refuges, Entomological Society Of America, August 16, 2001
Insect Resistance and the Future of Bt Transgenic Plants,
ISB News Report, May 2000
Remarks presented on behalf of Consumers Union by:
Michael Hansen, Ph.D., Before the EPA FIFRA Scientific
Advisory Panel-Bt Plant-Pesticides and Resistance
Management, February 9&10, 1998
Return to the "Stone Age of Pest Management", Remarks
Presented On Behalf of Consumers Union By: Dr. Charles M.
Benbrook and Dr. Michael Hansen, Before the EPA Public
Meeting -- "Plant Pesticides Resistance Management", March
21, 1997
Comments Re Docket OPP-30444 on behalf of Consumers Union
in response to the December 19, 1997 Environmental Protection
Agency Federal Register notice regarding the addition of
popcorn to a previously approved application from Novartis
covering Bt-transgenic corn
Comments Re Docket No. 97-114-1 on behalf of Consumers Union
in response to the November 28, 1997 Federal Register notice
regarding "Receipt of a Petition for Determination of Nonregulated
Status for Genetically Engineered Tomato" from the Monsanto Co.
European Corn Borer Resistance Management Plans
- EPA/USDA Workshop on "Bt Crop Resistance
Management" , June 18, 1999, Chicago, Illinois
- Update on the most current activities from NC-205 North
Central Research on Ecology and Management of European Corn
Borer and Other Stalk-Boring Lepidoptera
Inheritance of Resistance to Bacillus thuringiensis Toxin
(Dipel ES) in the European Corn Borer,
Science, May 7, 1999 (PDF 86K)
Chapter 3 in "Now or Never: Serious Plans to Save a
Natural Pest Control" -- download from the Union
of Concerned Scientists Site, Union of Concerned Scientists, 1998
Bt-resistance
management in corn, document from the EU
- Corn Seed Producers Move to Avert Pesticide
Resistance, Washington Post, January 9, 1999
Other
- Volatile Defense, Nature, Volume 408 p. 785, December 14, 2000
- Key U.S. environmental and consumer groups call upon EPA
to drop Bt-transgenic varieties that do not meet "high-dose"
criterion.
- SANET post:
Monarchs and Bt refugia strategy, May 21,
1999
- A Strategy to Overcome Pest
Resistance to Bt, ISB News, December, 1997
- Update on the Bt Petition to EPA,
Ecological Risks
Decomposition of transgenic Bacillus thuringiensis maize
by microorganisms and woodlice Porcellio scaber
(Crustacea: Isopoda), Basic and Applied Ecology, Volume 1, 2000
- Bacillus identity crisis, Nature Biotechnology, August, 2000
Transgenic Oilseed Rape line unexpectedly increases growth of
crop pest, What are the implications for GM food safety testing?
NPL Wessex, June 12, 2000
- Do genetically modified foods affect human
health?, Lancet, 355(9201): 414, 29 January 2000.
- Characterization of the mucosal and systemic immune response
induced by Cry1Ac protein from Bacillus thuringiensis HD 73 in mice,
Brazilian Journal of Medical and Biological Research , 33: 147-155, 2000
- Expert doubts Africa's gain from genetically-modified
crops , The Nation, Nairobi, June 3, 1999
- Bt Crops and their impact on insects and
food webs, A Seed, Europe, March, 1999
- DNA Disaster for Monsanto,
Acres, USA, February, 1999
- Risk Research:
Transgenic Insect-Resistant Crops Harm Beneficial Insects, The Gene Exchange,
Summer, 1998
- Environmental Risks of
Transgenic Crops: An Agroecological Assessment,
Miguel A. Altieri, U. California, Berkeley, January, 1998
- Bacillus thuringiensis (Bt), Journal of Pesticide
Reform, VOl 14, No. 3, Fall 1994
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