All Publications for Frank Peairs
2012 Colorado field crop insect management research and demonstration trials., Frank B Peairs,Jeff B Rudolph,Terri L Randolph
Agronomic & entomological results from 7 years of dryland cropping systems research at Briggsdale, Colorado. , Frank B Peairs,Neil Charles Hansen,David Poss,Dwayne G Westfall,Gary A Peterson,Justin Herman,Tim Shaver,Terri L Randolph,Jeff B Rudolph
Spider fauna of semiarid eastern Colorado agroecosystems: diversity, abundance, and effects of crop intensification, Lauren Kerzicnik,Frank B Peairs,Paula Cushing,Michael Draney,Scott Merrill
Sustainable dryland agroecosystems management. , Neil Charles Hansen,Lucretia Sherrod,Gary A Peterson,Dwayne G Westfall,Frank B Peairs,David Poss,Tim Shaver,Kevin Larson,Dennis Thompson,Laj Ahuja
The distribution of European corn borer (Lepidoptera: Crambidae) moths in pivot-irrigated corn., Scott Merrill,Shawn Walter,Frank B Peairs,Erica Schliep
Survey of Wheat Stem Sawfly (Hymenoptera: Cephidae) Infesting Wheat in Eastern Colorado, Darren Matthew Cockrell,Terri L Randolph,Erika Sasha Peirce,Frank B Peairs
Effects of Landscape Composition on Wheat Stem Sawfly (Hymenoptera: Cephidae) and Its Associated Braconid Parasitoids, Erika Sasha Peirce,Tatyana A Rand,Darren Matthew Cockrell,Paul James Ode,Frank B Peairs
Differential stem proteomics and metabolomics profiles for four wheat cultivars in response to the insect pest Wheat Stem Sawfly, Florent Didier Lavergne,Corey D Broeckling,Kitty J Brown,Darren Matthew Cockrell,Scott D Haley,Frank B Peairs,Stephen P Pearce,Lisa M Wolfe,Courtney Elaine Jahn,Adam L Heuberger
Damage and Yield Response of Wheat Lines with Dn4 and Dn7 Genes Resistant to Russian Wheat Aphid Biotype RWA21, Darren Matthew Cockrell,Terri L Randolph,Cynthia B Walker,Rachael Altschuler Sitz,Scott D Haley,Frank B Peairs
2016 Colorado field crop insect management research and demonstration trials, Frank B Peairs,D. Cockrell,J. B. Rudolph,L. Newhard.
2017 Colorado field crop insect management research and demonstration trials. , Frank B Peairs,D. Cockrell,J. B. Rudolph,L. Newhard.
Accessing a Russian wheat aphid resistance gene in bread wheat by long-read technologies. , Z. Tulpová,H. Toegelová,N. Lapitan,Frank B Peairs,J. Macas,P. Novak,A. Lukaszewski,D. Kopecky,M. Mazácová,J. Vrana,K. Holušová,P. Leroy,J. Dolezel,H. Šimková.
Insecticide resistance in alfalfa weevil and related implications in other alfalfa insect pests. , M. D. Rethwisch,Frank B Peairs,J. Pierce,A. Mostafa,S. Price,R. Ramirez,S. Rondon,S. Schell,J. Vardiman,D. B. Walsh,K. Wanner,E. Wenninger
Invasive cereal aphids of North America: ecology and pest management. , M. J. Brewer,Frank B Peairs,N. C. Elliott.
Temperature Limits for the Brown Wheat Mite, in Colorado, Rachael Altschuler Sitz,Erika Sasha Peirce,Emily Katrin Luna,Darren Matthew Cockrell,Laura Jean Newhard,Frank B Peairs
Wheat stem sawfly in Colorado, Frank B Peairs
Temperature limits for the brown wheat mite, in Colorado. , R. A. Sitz,E. S. Peirce,E. K. Luna,D. M. Cockrell,L. Newhard,Frank B Peairs
Colorado Ticks and Tick-borne Diseases, Whitney S Cranshaw,Frank B Peairs,Boris C Kondratieff
Accessing a Russian wheat aphid resistance gene in bread wheat by long-read technologies. , Z. Tulpová,H. Toegelová,N. Lapitan,Frank B Peairs,J. Macas,P. Novak,A. Lukaszewski,D. Kopecky,M. Mazácová,J. Vrana,K. Holušová,P. Leroy,J. Dolezel,H. Šimková.
GC-MS metabolomics to evaluate the composition of plant cuticular waxes for four Triticum aestivum cultivars., F. D. Lavergne,C. D. Broeckling,D. M. Cockrell,S. D. Haley,Frank B Peairs,C. E. Jahn,A. L. Heuberger.
Registration of 'Avery' wheat. , Scott D Haley,Jerry J Johnson,Frank B Peairs
Registration of 'Langin' wheat. , Scott D Haley,Jerry J Johnson,Frank B Peairs
GC-MS Metabolomics to Evaluate the Composition of Plant Cuticular Waxes for Four Triticum aestivum Cultivars, Florent Didier Lavergne,Corey D Broeckling,Darren Matthew Cockrell,Scott D Haley,Frank B Peairs,Courtney Elaine Jahn,Adam L Heuberger
Development of integrated pest management approaches for Russian wheat aphid in Colorado, USA. , Frank B Peairs
Host Plants of the Wheat Stem Sawfly (Hymenoptera: Cephidae), Darren Matthew Cockrell,Robert J Griffin-Nolan,Tatyana A Rand,Nuha Altilmisani,Paul James Ode,Frank B Peairs
Host plants of the wheat stem sawfly (Hymenoptera: Cephidae). , Darren Matthew Cockrell,Robert J Griffin-Nolan,Tatyana A Rand,N. Altilmisani,Paul James Ode,Frank B Peairs
TR17-4: Making Better Decisions, 2017 Colorado Winter Wheat Variety Performance Trials, Jerry J Johnson,Scott D Haley,Sally Jones,Ed P Asfeld,Ron Francis Meyer,Wilma Trujillo,Dennis A Kaan,K. Roesch,Kevin Larson,Merle F Vigil,Brett Terrill Pettinger,Rick Allen Novak,Frank B Peairs,Kirk Dale Broders,Patrick F Byrne,Todd A Gaines,Philip Westra,T. Walker,Brad Erker
Wheat pests: insects, mites and prospects for the future, M. O. Harris,K. Anderson,M. El-Bouhssini,Frank B Peairs,G. L. Hein,S. Xu.
Registration of 'Sunshine' wheat. , Scott D Haley,Jerry J Johnson,Frank B Peairs
MODIS Imagery Improves Pest Risk Assessment: A Case Study of Wheat Stem Sawfly (Cephus cinctus, Hymenoptera: Cephidae) in Colorado, USA, Jordan Lestina,Maxwell Cook,Sunil Kumar,Jeffrey Morisette,Paul James Ode,Frank B Peairs
MODIS Imagery Improves Pest Risk Assessment: A Case Study of Wheat Stem Sawfly (Cephus cinctus, Hymenoptera: Cephidae) in Colorado, USA, Jordan Lestina,Maxwell Cook,Sunil Kumar,Jeffrey Morisette,Paul James Ode,Frank B Peairs
Phylogeography of the wheat stem sawfly, Cephus cinctus Norton (Hymenoptera: Cephidae): Implications for pest management, V. Lesieur,J-F. Martin,D. K. Weaver,K. A. Hoelmer,D. R. Smith,W. L. Morrill,N. Kadiri,Frank B Peairs,D. M. Cockrell,T. L. Randolph,D. K. Waters,M-C. Bon
Temperature variability is a key component in accurately forecasting the effects of climate change on pest phenology, S. C. Merrill,Frank B Peairs
Phylogeography of the Wheat Stem Sawfly, Cephus cinctus Norton (Hymenoptera: Cephidae): Implications for Pest Management, Vincent R Lesieur,Jean-Fancois Martin,David Weaver,Kim Hoelmer,David Smith,Wendell Morrill,Nassera Kadiri,Frank B Peairs,Darren Matthew Cockrell,Terri L Randolph,Debra Waters,Mari-Claude Bon
2015 Colorado Field Crop Insect Management Research Demonstration Trials, Darren Matthew Cockrell,Terri L Randolph,Jeff B Rudolph,Frank B Peairs
Change in biotypic diversity of Russian wheat aphid (Hemiptera: Aphididae) populations in the United States. , G. J. Puterka,K. L. Giles,M. J. Brown,S. J. Nicholson,F. B. Peairs,F. B. Peairs,T. L. Randolph,G. J. Michels,E. D. Bynum,T. L. Springer,J. S. Armstrong,D. W. Mornhinweg
Registration of 'Sunshine' wheat. , Scott D Haley,Jerry J Johnson,Frank B Peairs
Field key — Insect, mite pests and diseases. , Frank B Peairs
Insect Management, J. Bradshaw,Frank B Peairs
Validating spatiotemporal predictions of an important pest of small grains. , S. C. Merrill,T. O. Holtzer,F. B. Peairs,P. J. Lester
Genetic mapping of resistance to Diuraphis noxia (Kurdjumov) biotype 2 in wheat (Triticum aestivum L.) accession CI2401. , M. Fazel-Najafabadi,J. B. Peng,Frank B Peairs,H. Simkova,A. Kilian,N. L. Lapitan
2014 Colorado Field Crop Insect Management Research Demonstration Trials, Terri L Randolph,Darren Matthew Cockrell,Jeff B Rudolph,Frank B Peairs
Making better decisions: 2014 Colorado wheat variety performance trials. , Jerry J Johnson,Scott D Haley,Michael E Bartolo,Kevin Larson,Merle Vigil,Bruce Bosley,Ronald Meyer,Wilma Trujillo,Sally Marie Jones-Diamond,Jim Hain,Jeffery William Davidson,Terri L Randolph,Frank B Peairs,Courtney Elaine Jahn,Rick Allen Novak,Jessica G Davis,Glenda Mostek
Virus-induced gene silencing suggests (1,3;1,4)-ß-glucanase is a susceptibility factor in the compatible russian wheat aphid-wheat interaction., V A Anderson,Scott D Haley,Frank B Peairs,L van Eck,Jan E Leach,Nora L Lapitan
Examining the Competitive Advantage of Diuraphis noxia (Hemiptera: Aphididae) Biotype 2 Over Biotype 1, Scott C Merrill,Terri L Randolph,Frank B Peairs,Gerry J Michels,Jr,Thia Bareta Walker
2013 Colorado field crop insect management research and demonstration trials. , Frank B Peairs,J. B. Rudolph,T. L. Randolph
Effects of planting date and barley variety on Russian wheat aphid (Hemiptera: Aphididae) populations in Colorado, Kansas, and Nebraska. , P. A. Sotelo,G. L. Hein,Frank B Peairs,C. M. Smith
Virus-induced gene silencing suggests that (1,3;1,4)-ß-glucanase is a susceptibility factor in the compatible Russian wheat aphid-wheat interaction. , Valdez Victoria,Scott D Haley,Frank B Peairs,Jan E Leach,Nora L Lapitan
Characterization of eight Russian wheat aphid (Hemiptera: Aphididae) biotypes using two-category resistant—susceptible plant responses. , G. J. Puterka,S. J. Nicholson,M. J. Brown,W. R. Cooper,Frank B Peairs,T. L. Randolph
Registration of 'Antero' wheat, Scott D Haley,Jerry J Johnson,Frank B Peairs
Registration of 'Cowboy' wheat, Scott D Haley,Jerry J Johnson,Frank B Peairs
Validating spatiotemporal predictions of a important pest of small-grains, Scott C. Merrill,Tom O Holtzer,Frank B Peairs,Philip J. Lester
Virus-induced gene silencing suggests that (1,3;1,4)-ß-glucanase is a susceptibility factor in compatible Russian wheat aphid – wheat Interactions , Tori Ashley Anderson,Scott D Haley,Frank B Peairs,Leon van Eck,Jan E Leach,Nora L Lapitan
Making better decisions: 2013 Colorado wheat variety performance trials., Jerry J Johnson,Scott D Haley,Sally Marie Jones-Diamond,Kevin Larson,Michael E Bartolo,Jeffery William Davidson,Frank B Peairs,Ned A Tisserat,Philip Westra,Jessica G Davis,Rick Allen Novak,Merle Vigil,Glenda Mostek,Bruce Bosley,Ron Meyer,Wilma Trujillo,Ben Irell
2011 Colorado field crop insect managementresearch and demonstration trials
Cyclical parthenogenetic reproduction in theRussian wheat aphid (Hemiptera: Aphididae) in theUnited States: Sexual reproduction and its outcomeon biotypic diversity
Inheritance and genetic mapping of Russian wheat aphid resistance in Iranian wheat land race accession PI 626580
Inheritance and genetic mapping of Russian wheat aphid resistance in Iranian wheat landrace accession PI 626580, Tori Ashley Anderson,Patrick F Byrne,Nora LV Lapitan,Frank B Peairs,Amy Bernardo,Guihua Bai,Scott D Haley
Making better decisions: 2012 Colorado wheatvariety performance trials
Molecularcharacterization of Russian wheat aphidconsumption by spiders in winter wheat
Quantifying Russian wheat aphid pest intensityacross the Great Plains
Registration of 'Brawl CL Plus' wheat
Registration of 'Denali' wheat
Registration of 'Stoneham' spring feed barleyresistant to Russian wheat aphid
Registration of ‘Brawl CL Plus’ wheat, Scott D Haley,Jerry J Johnson,Phillip H Westra,Frank B Peairs,John A Stromberger,Emily E Hudson,Scott A Seifert,Rebecca Kottke,Victoria A Valdez,Jeff B Rudolph,others
Registration of'Byrd' wheat
Russian wheat aphid(Hemiptera: Aphididae) reproduction anddevelopment on five noncultivated grass hosts
Sustainable dryland agroecosystemsmanagement
Sustainable drylandagroecosystems management: 2006-2007 results
Registration of 'Stoneham' spring feed barley resistant to Russian wheat aphid, D Mornhigweg,P Bregitzae,D Porter,Frank B Peairs,D Baltensperger,G Hein,Terri L Randolph,M Koch,Thia Bareta Walker
2010 Colorado field crop insect managementresearch and demonstration trials
Inheritance of Russianwheat aphid resistance from tetraploid wheataccessions during transfer to hexaploid wheat
Legumeinsect pests
Making better decisions:2011 Colorado wheat variety performance trials
Occurrence of Russian Wheat Aphid (Homoptera: Aphididae) on Non-cultivated Grasses within Colorado Montane Environments, Terri L Randolph,Frank B Peairs,Thia Bareta Walker
Otherinsects and pests
Registration of 'Snowmass'wheat
Registration of six wheat-ryeaddition lines resistant to the Russian wheataphid
Russian wheat aphid(Hemiptera: Aphididae) reproduction anddevelopment on five noncultivated grass hosts
Spatial variability of western bean cut worm (Lepidoptera: Noctuidae) pheromone trap captures in sprinkler irrigated corn in eastern Colorado
Spatial Variability of Western Bean Cutworm (Lepidoptera: Noctuidae) Pheromone Trap Captures in Sprinkler Irrigated Corn in Eastern Colorado, Scott C Merrill,Shawn M Walter,Frank B Peairs,Jennifer A Hoeting
Wheat stemsawfly: A new pest of Colorado wheat
2009 Colorado field crop insect management research and demonstration trials
Examining the correlation between fall and spring population densities of the Russian wheat aphid (Hemiptera: Aphididae)
Host associations and incidence of Diuraphis spp in the Rocky Mountain region of the United States, and pictorial key for their identification
Implications of Russian wheat aphid, Diuraphis noxia, falling rates for biological control in resistant and susceptible winter wheat
Nonlinear Degree-Day Models for Postdiapause Development of the Sunflower Stem Weevil (Coleoptera)
Nonlinear degree-day models for postdiapause development of the sunflower stem weevil (Coleoptera: Curculionidae), Scott C Merrill,Assefa B Gebre-Amlak,J Scott Armstrong,Frank B Peairs
Perceived consequences of herbicide-tolerant and insect-resistant crops on integrated pest management strategies in the western United States: Results of an online survey, Judith Eileen Harrington,Patrick F Byrne,Frank B Peairs,Scott J Nissen,Philip Westra,Peter C Ellsworth,Al Fournier,Carol A Mallory-Smith,Robert S Zemetra,W Brien Henry
Relationship between Russian wheat aphid abundance and edaphic and topographic characteristics in wheat fields
Virus-induced gene silencing of WRKY53 and an inducible phenylalanine ammonia-lyase in wheat reduces aphid resistance
Wheat production and pest management for the Great Plains region
Virus-induced gene silencing of WRKY53 and an inducible phenylalanine ammonia-lyase in wheat reduces aphid resistance., L Van Eck,T Schultz,Jan E Leach,S R Scofield,Frank B Peairs,A M Botha,Nora L Lapitan
Diuraphis noxia Reproduction and Development With a Comparison of Intrinsic Rates of Increase to Other Important Small Grain Aphids
Modeling Spatial Variation of Russian Wheat Aphid Overwintering Population Densities in Colorado Winter Wheat
Molecular cytogenetic and agronomic characterization of advanced generations of wheat x triticale hybrids resistant to Diuraphis noxia (Mordvilko)
Registration of 'Sidney' Spring Feed Barley Resistant to Russian Wheat Aphid
Registration of 'Thunder CL' Wheat
Registration of ‘Thunder CL’wheat, Scott D Haley,Jerry J Johnson,Phillip H Westra,Frank B Peairs,John A Stromberger,Emily E Heaton,Scott A Seifert,Rebecca Kottke,Jeff B Rudolph,Guihua Bai,others
Seasonal Presence of the Russian Wheat Aphid (Hemiptera)
Registration of 'Sidney' spring feed barley resistant to Russian wheat aphid, D Mornhigweg,P. Bregitzae,D Porter,Frank B Peairs,D Baltensperger,Gary Hein,Terri L Randolph,Mike Koch,Thia Bareta Walker
Russian wheat aphid, Diuraphis noxia (Kurdjumov), reproduction and development with a comparison of intrinsic rates of increase to other important small grain aphids: a meta-analysis., Scott C. Merrill,Tom O Holtzer,Frank B Peairs
Biotypic diversity in Colorado Russian wheat aphid (Hemiptera)
Ground beetle (Coleoptera)
Registration of 'Bill Brown' Wheat
Reproduction and development of Russian wheat aphid Biotype 2 on crested wheatgrass, intermediate wheatgrass, and susceptible and resistant wheat
Reproductive rates of Russian wheat aphid (Hemiptera)
Insect pest densities across site-specific management zones of irrigated corn in northeastern Colorado
Molecular mapping of the Russian wheat aphid resistance gene Dn2414 in wheat
Registration of 'Ripper' Wheat
Resistance to Rhopalosiphum padi (Homoptera)
Yield response to Russian wheat aphid (Homoptera)
Biotypic variation among North American Russian wheat aphid (Homoptera)
Modeling the effect of Russian wheat aphid, Diuraphis noxia (Mordvilko) and weeds in winter wheat as guide to management
Registration of 'Bond CL' wheat
Registration of 'protection' wheat
Response of resistant and susceptible barley to infestations of five Diuraphis noxia (Homoptera)
Yield response to Russian wheat aphid (Hemiptera)
Development and assessment of an on-line High Plains Integrated Pest Management Guide for a regional audience, Will T Lanier,M J Brewer,Frank B Peairs,Gary L Hein,Howard F Schwartz,J B Campbell,Sue Blodgett
Biotype 2 Russian wheat aphid resistance among wheat germplasm accessions
Comparison of Dn4- and Dn7-carrying spring wheat genotypes artificially infested with Russian wheat aphid (Homoptera)
Influence of three resistance sources in winter wheat derived from TAM 107 on yield response to Russian wheat aphid
Integrated Pest Management for Herbicide Tolerant and Insect Resistant Crops: Assessing Information and Research Needs., Robert Zemetra,Jack Brown,Patrick F Byrne,Judith Eileen Harrington,Scott J Nissen,Frank B Peairs,Phil Westra,Oscar Riera-Lizarazu,Carol Mallory-Smith,Peter Ellsworth
Integrated Pest Management for Herbicide Tolerant and Insect Resistant Crops: Assessing Information and Research Needs., Robert Zemetra,Jack Brown,Patrick F Byrne,Judy Harrington,Scott J Nissen,Frank B Peairs,Phil Westra,Oscar Riera-Lizarazu,Carol Mallory-Smith,Peter Ellsworth
Management implications of reduced fallow periods in dryland cropping systems in the Great Plains
Registration of 'Hatcher' wheat
Yield response and categories of resistance to Russian wheat aphid in four Dn4 hard red winter wheat cultivars
Occurrence of a new Russian wheat aphid biotype in Colorado
Registration of 'Ankor' wheat
Above winter wheat
AP502 CL winter wheat
Categories of resistance at different growth stages in halt, a winter wheat resistant to the Russian wheat aphid (Homoptera)
Categories of resistance at four growth stages in three wheats resistant to the Russian wheat aphid (Homoptera)
Degree day model for sunflower stem weevil (Coleoptera: Curculionidae) management, Assefa B Gebre-Amlak,Frank B Peairs
Plant damage and yield response to the Russian wheat aphid (Homoptera)
Registration of 'Avalanche' wheat
Augmentative releases of commercial biological control agents for Russian wheat aphid management in winter wheat
Registration of CO960293-2 wheat germplasm resistant to Wheat streak mosaic virus and Russian wheat aphid
2003 Colorado field crop insect management research and demonstration trials, Shawn M Walter,Frank B Peairs,Assefa B Gebre-Amlak
Registration of 'Prairie Red' wheat
Registration of 'Prowers 99' Wheat
Registration of 'Prowers' wheat
Registration of 'Yumar' wheat
Precision farming
Precision Farming: From Technology to Decisions A Case Study, Kim L Fleming,Dwayne G Westfall,Dale F Heermann,D Bruce Bosley,Frank B Peairs,Philip Westra
Integrated pest management, Howard F Schwartz,Frank B Peairs
Economic injury levels for the Russian wheat aphid (Homoptera)
Effect of plant phenology and climate on Russian wheat aphid (Homoptera)
Environmental parameters related to winter mortality of the Russian wheat aphid (Homoptera)
Evaluation of hymenopterous biological control agents of the alfalfa weevil larvae Hypera postica (Coleoptera)
Gustatory and olfactory responses of Cylindrocopturus adspersus (Leconte) to various plant species in the laboratory
Integrated Pest Management of insects, plant pathogens, and weeds in dryland cropping systems of the great plains
Registration of 'Halt' wheat
Registration of Russian wheat aphid-resistant wheat germplasm CORWA1
Winter wheat planting date effect on Russian wheat aphid (Homoptera)
Germinating Corn Extracts and 6-Methoxy-2-Benzoxazolinone - Western Corn-Rootworm (Coleoptera, Chrysomelidae) Larval Attractants Evaluated with Soil Insecticides
Leaf Unrolling of 3 Wheat Genotypes in Russian Wheat Aphid Extracts
The Effect of Planting Time Insecticides and Liquid Fertilizer on the Russian Wheat Aphid (Homoptera, Aphididae) and the Lesion Nematode (Pratylenchus-Thornei) on Winter-Wheat
Binomial Regression-Models for Spring and Summer Infestations of the Russian Wheat Aphid (Homoptera, Aphididae) in the Southern and Western Plains States and Rocky-Mountain Region of the United-States
Comparison of Chemigated and Aerially-Applied Chlorpyrifos and Fenvalerate for Control of European Corn-Borer (Lepidoptera, Pyralidae) Larvae
Distribution of Overwintering Russian Wheat Aphid (Homoptera, Aphididae) in Furrow-Irrigated Small Grains in Western Colorado
Inheritance of Resistance of 3 Russian Triticale Lines to the Russian Wheat Aphid
Alternate Hosts of the Russian Wheat Aphid (Homoptera, Aphididae) in Northeastern Colorado
Inheritance of Resistance of Pi 372129 Wheat to the Russian Wheat Aphid
Russian Wheat Aphid Reaction and Agronomic and Quality Traits of a Resistant Wheat
Registration of 3 Germplasm Lines of Pinto Bean, Mark A Brick,Don R. Wood,Marco Ballarin,Howard F Schwartz,Frank B Peairs,Barry Barry Ogg,James W. Echols
Effect of Vernalization on Russian Wheat Aphid Resistance of Wheat and Triticale in Greenhouse Screening-Tests
Gene Location for Russian Wheat Aphid Resistance of Imperial Rye Using Wheat-Rye Addition Lines
Russian Wheat Aphid (Diuraphis-Noxia) Resistance in Wheat and Related Species
Russian Wheat Aphid Resistance of Wheat, Rye, and Triticale in Greenhouse Tests
Persistence and mobility of pesticides in soil and water, Dean K McBride,Dallas E Peterson,H Arthur Lamey,Jim C Loftis,Frank B Peairs,Howard F Schwartz,Philip Westra,Bert L Bohmont
Effects of Cropping System and Insecticide Protection on Insects Associated with Maize (Zea-Mays-L) and Cassava (Manihot-Esculenta Crantz)
