Yong-Biao Liu

Low Temperature Phosphine Fumigation for Postharvest Control of Western Flower Thrips (Thysanoptera: Thripidae) on Lettuce, Broccoli, Asparagus, and Strawberry (2008)

Yong-Biao Liu

U.S. exported lettuce, broccoli, asparagus, and strawberries often harbor western flower thrips, Frankliniella occidentalis (Pergande) (Thysanoptera: Thripidae), a quarantined pest in Taiwan, and...

Ultralow Oxygen Treatment for Control of Latrodectus hesperus (Araneae: Theridiidae) on Harvested Table Grapes (2008)

Yong-Biao Liu, Kent M. Daane, J. Steve Tebbets, Larry J. Bettiga

The spider Latrodectus hesperus Chamberlin & Ivie (Araneae: Theridiidae) was subjected to low and ultralow oxygen (ULO) treatments at different temperatures. Complete control of the spiders was...

Ultralow Oxygen Treatment for Postharvest Control of Nasonovia ribisnigri (Homoptera: Aphididae) on Iceberg Lettuce (2005)

Yong-biao Liu

The aphid Nasonovia ribisnigri (Mosley) is a common pest of lettuce in the United States. It hinders export of U.S. lettuce to the overseas market such as Japan where it is a quarantined pest....

Shared Genetic Basis of Resistance to Bt Toxin Cry1Ac in Independent Strains of Pink Bollworm (2004)

Bruce E. Tabashnik, Yong-Biao Liu, Devika C. Unnithan, Yves Carrière, Timothy J. Dennehy, Shai Morin

Classical and molecular genetic analyses show that two independently derived resistant strains of pink bollworm, Pectinophora gossypiella (Saunders), share a genetic locus at which three mutant...

Distribution and Population Development of Nasonovia ribisnigri (Homoptera: Aphididae) in Iceberg Lettuce (2004)

Yong-Biao Liu

A field study was conducted to determine the distribution and development of aphid Nasonovia ribisnigri (Mosley) (Homoptera: Aphididae) populations in iceberg lettuce, Lactuca sativa L....

Effects of Vacuum and Controlled Atmosphere Treatments on Insect Mortality and Lettuce Quality (2003)

Yong-Biao Liu

Laboratory studies were conducted to determine the effects of vacuum and controlled atmosphere on mortality of aphids, Nasonovia ribisnigri (Mosley) and Macrosiphum euphorbiae (Thomas), and...

Inheritance of Resistance to Bt Toxin Cry1Ac in a Field-Derived Strain of Pink Bollworm (Lepidoptera: Gelechiidae) (2002)

Bruce E. Tabashnik, Yong-Biao Liu, Timothy J. Dennehy, Maria A. Sims, Mark S. Sisterson, Robert W. Biggs, ...

Laboratory selection with Cry1Ac, the Bacillus thuringiensis (Bt) toxin in transgenic cotton, initially produced 300-fold resistance in a field-derived strain of pink bollworm, Pectinophora...

Oviposition on and Mining in Bolls of Bt and Non-Bt Cotton by Resistant and Susceptible Pink Bollworm (Lepidoptera: Gelechiidae) (2002)

Yong-Biao Liu, Bruce E. Tabashnik, Timothy J. Dennehy, Yves Carrière, Maria A. Sims, Susan K. Meyer

Transgenic cotton that produces insecticidal crystal protein Cry1Ac of Bacillus thuringiensis (Bt) has been effective in controlling pink bollworm, Pectinophora gossypiella (Saunders). We compared...

Fitness Costs and Maternal Effects Associated with Resistance to Transgenic Cotton in the Pink Bollworm (Lepidoptera: Gelechiidae) (2001)

Yves Carriére, Christa Ellers-Kirk, Yong-Biao Liu, Maria A. Sims, Amanda L. Patin, Timothy J. Dennehy, ...

Transgenic cotton producing a Bacillus thuringiensis (Bt) toxin is widely used for controlling the pink bollworm, Perctinophora gossypiella (Saunders). We compared performance of pink bollworm...

Effects of Bt Cotton and Cry1Ac Toxin on Survival and Development of Pink Bollworm (Lepidoptera: Gelechiidae) (2001)

Yong-Biao Liu, Bruce E. Tabashnik, Timothy J. Dennehy, Amanda L. Patin, Maria A. Sims, Susan K. Meyer, ...

We evaluated the effects of Bacillus thuringiensis (Bt) toxin Cry1Ac on survival and development of a susceptible strain and laboratory-selected resistant strains of pink bollworm, Pectinophora...

Overwintering Cost Associated with Resistance to Transgenic Cotton in the Pink Bollworm (Lepidoptera: Gelechiidae) (2001)

Yves Carrière, Christa Ellers-kirk, Amanda L. Patin, Maria A. Sims, Susan Meyer, Yong-biao Liu, ...

Fitness costs associated with resistance to transgenic crops producing toxins from Bacillus thuringiensis (Bt) may have important effects on the evolution of resistance. We investigated overwintering...

Large-Scale Management of Insect Resistance to Transgenic Cotton in Arizona: Can Transgenic Insecticidal Crops be Sustained? (2001)

Yves Carrière, Timothy J. Dennehy, Brent Pedersen, Shirley Haller, Christa Ellers-Kirk, Larry Antilla, ...

A major challenge for agriculture is management of insect resistance to toxins from Bacillus thuringiensis (Bt) produced by transgenic crops. Here we describe how a large-scale program is being...

Genetics of Pink Bollworm Resistance to Bacillus thuringiensis Toxin Cry1Ac (2001)

Yong-Biao Liu, Bruce E. Tabashnik, Susan K. Meyer, Yves Carrière, Alan C. Bartlett

Laboratory selection increased resistance of pink bollworm (Pectinophora gossypiella) to the Bacillus thuringiensis toxin Cry1Ac. Three selections with Cry1Ac in artificial diet increased resistance...

Binding and Toxicity of Bacillus thuringiensis Protein Cry1C to Susceptible and Resistant Diamondback Moth (Lepidoptera: Plutellidae) (2000)

Yong-Biao Liu, Bruce E. Tabashnik, Luke Masson, Baltasar Escriche, Juan Ferré

We studied mechanisms of resistance to Bacillus thuringiensis insecticidal crystal protein Cry1C in the diamondback moth, Plutella xylostella (L.). Binding assays with midgut brush border membrane...

Genetic mapping of resistance to Bacillus thuringiensis toxins in diamondback moth using biphasic linkage analysis

Heckel, David G., Gahan, Linda J., Liu, Yong-Biao, Tabashnik, Bruce E.

Transgenic plants producing environmentally benign Bacillus thuringiensis (Bt) toxins are deployed increasingly for insect control, but their efficacy will be short-lived if pests adapt quickly. The...

One gene in diamondback moth confers resistance to four Bacillus thuringiensis toxins

Tabashnik, Bruce E., Liu, Yong-Biao, Finson, Naomi, Masson, Luke, Heckel, David G.

Environmentally benign insecticides derived from the soil bacterium Bacillus thuringiensis (Bt) are the most widely used biopesticides, but their success will be short-lived if pests quickly adapt to...

Global variation in the genetic and biochemical basis of diamondback moth resistance to Bacillus thuringiensis

Tabashnik, Bruce E., Liu, Yong-Biao, Malvar, Thomas, Heckel, David G., Masson, Luke, Ballester, Victoria, ...

Insecticidal proteins from the soil bacterium Bacillus thuringiensis (Bt) are becoming a cornerstone of ecologically sound pest management. However, if pests quickly adapt, the benefits of...

Frequency of resistance to Bacillus thuringiensis in field populations of pink bollworm

Tabashnik, Bruce E., Patin, Amanda L., Dennehy, Timothy J., Liu, Yong-Biao, Carrière, Yves, Sims, Maria A., ...

Strategies for delaying pest resistance to genetically modified crops that produce Bacillus thuringiensis (Bt) toxins are based primarily on theoretical models. One key assumption of such models is...

Cross-Resistance of Pink Bollworm (Pectinophora gossypiella) to Bacillus thuringiensis Toxins

Tabashnik, Bruce E., Liu, Yong-Biao, De Maagd, Ruud A., Dennehy, Timothy J.

Two strains of pink bollworm (Pectinophora gossypiella) selected in the laboratory for resistance to Bacillus thuringiensis toxin Cry1Ac had substantial cross-resistance to Cry1Aa and Cry1Ab but not...

Cyt1A from Bacillus thuringiensis Lacks Toxicity to Susceptible and Resistant Larvae of Diamondback Moth (Plutella xylostella) and Pink Bollworm (Pectinophora gossypiella)

Meyer, Susan K., Tabashnik, Bruce E., Liu, Yong-Biao, Wirth, Margaret C., Federici, Brian A.

We tested Cyt1Aa, a cytolytic endotoxin of Bacillus thuringiensis, against susceptible and Cry1A-resistant larvae of two lepidopteran pests, diamondback moth (Plutella xylostella) and pink bollworm...

Cross-Resistance and Stability of Resistance to Bacillus thuringiensis Toxin Cry1C in Diamondback Moth

Liu, Yong-Biao, Tabashnik, Bruce E., Meyer, Susan K., Crickmore, Neil

We tested toxins of Bacillus thuringiensis against larvae from susceptible, Cry1C-resistant, and Cry1A-resistant strains of diamondback moth (Plutella xylostella). The Cry1C-resistant strain, which...

Synergism between Bacillus thuringiensis Spores and Toxins against Resistant and Susceptible Diamondback Moths (Plutella xylostella)

Liu, Yong-Biao, Tabashnik, Bruce E., Moar, William J., Smith, Robert A.

We studied the effects of combinations of Bacillus thuringiensis spores and toxins on the mortality of diamondback moth (Plutella xylostella) larvae in leaf residue bioassays. Spores of B....

Genetic mapping of resistance to Bacillus thuringiensis toxins in diamondback moth using biphasic linkage analysis

Heckel, David G., Gahan, Linda J., Liu, Yong-Biao, Tabashnik, Bruce E.

Transgenic plants producing environmentally benign Bacillus thuringiensis (Bt) toxins are deployed increasingly for insect control, but their efficacy will be short-lived if pests adapt quickly. The...

One gene in diamondback moth confers resistance to four Bacillus thuringiensis toxins

Tabashnik, Bruce E., Liu, Yong-Biao, Finson, Naomi, Masson, Luke, Heckel, David G.

Environmentally benign insecticides derived from the soil bacterium Bacillus thuringiensis (Bt) are the most widely used biopesticides, but their success will be short-lived if pests quickly adapt to...

Global variation in the genetic and biochemical basis of diamondback moth resistance to Bacillus thuringiensis

Tabashnik, Bruce E., Liu, Yong-Biao, Malvar, Thomas, Heckel, David G., Masson, Luke, Ballester, Victoria, ...

Insecticidal proteins from the soil bacterium Bacillus thuringiensis (Bt) are becoming a cornerstone of ecologically sound pest management. However, if pests quickly adapt, the benefits of...

Frequency of resistance to Bacillus thuringiensis in field populations of pink bollworm

Tabashnik, Bruce E., Patin, Amanda L., Dennehy, Timothy J., Liu, Yong-Biao, Carrière, Yves, Sims, Maria A., ...

Strategies for delaying pest resistance to genetically modified crops that produce Bacillus thuringiensis (Bt) toxins are based primarily on theoretical models. One key assumption of such models is...

Cross-Resistance of Pink Bollworm (Pectinophora gossypiella) to Bacillus thuringiensis Toxins

Tabashnik, Bruce E., Liu, Yong-Biao, De Maagd, Ruud A., Dennehy, Timothy J.

Two strains of pink bollworm (Pectinophora gossypiella) selected in the laboratory for resistance to Bacillus thuringiensis toxin Cry1Ac had substantial cross-resistance to Cry1Aa and Cry1Ab but not...

Cyt1A from Bacillus thuringiensis Lacks Toxicity to Susceptible and Resistant Larvae of Diamondback Moth (Plutella xylostella) and Pink Bollworm (Pectinophora gossypiella)

Meyer, Susan K., Tabashnik, Bruce E., Liu, Yong-Biao, Wirth, Margaret C., Federici, Brian A.

We tested Cyt1Aa, a cytolytic endotoxin of Bacillus thuringiensis, against susceptible and Cry1A-resistant larvae of two lepidopteran pests, diamondback moth (Plutella xylostella) and pink bollworm...

Cross-Resistance and Stability of Resistance to Bacillus thuringiensis Toxin Cry1C in Diamondback Moth

Liu, Yong-Biao, Tabashnik, Bruce E., Meyer, Susan K., Crickmore, Neil

We tested toxins of Bacillus thuringiensis against larvae from susceptible, Cry1C-resistant, and Cry1A-resistant strains of diamondback moth (Plutella xylostella). The Cry1C-resistant strain, which...

Synergism between Bacillus thuringiensis Spores and Toxins against Resistant and Susceptible Diamondback Moths (Plutella xylostella)

Liu, Yong-Biao, Tabashnik, Bruce E., Moar, William J., Smith, Robert A.

We studied the effects of combinations of Bacillus thuringiensis spores and toxins on the mortality of diamondback moth (Plutella xylostella) larvae in leaf residue bioassays. Spores of B....