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You searched for: Subject Heliothis virescens Remove constraint Subject: Heliothis virescens Subject backcrossing Remove constraint Subject: backcrossing
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1. Experimental evidence for interspecific directional selection on moth pheromone communication

Author:
Groot, A.T.; Horovitz, J.L.; Hamilton, J.; Santangelo, R.G.; Schal, C.; Gould, F.
Source:
Proceedings of the National Academy of Sciences of the United States of America 2006 v.103 no.15 pp. 5858-5863
ISSN:
0027-8424
Subject:
Heliothis subflexa; Heliothis virescens; sex pheromones; insect communication; males; females; mating behavior; interspecific hybridization; hybrids; viability; natural selection; backcrossing; quantitative trait loci
Abstract:
... The chemical composition of the sexual communication signals of female moths is thought to be under strong stabilizing selection, because females that produce atypical pheromone blends suffer lower success in finding mates. This intraspecific selection pressure cannot explain the high diversity of moth pheromone blends found in nature. We conducted experiments to determine whether communication in ...
DOI:
10.1073/pnas.0508609103
PubMed:
16585529
PubMed Central:
PMC1458663

2. Field evaluation of insect resistance in a wild tomato and its effects on insect parasitoids

Author:
Kennedy, G.G.; Farrar, R.R. Jr.; Barbour, J.D.
Source:
Entomologia experimentalis et applicata 1994 v.71 no.3 pp. 211-226
ISSN:
0013-8703
Subject:
Campoletis sonorensis; Cardiochiles nigriceps; Cotesia congregata; Cotesia marginiventris; Helicoverpa zea; Heliothis virescens; Manduca quinquemaculata; Manduca sexta; Solanum habrochaites; Telenomus; Trichogramma; backcrossing; cultivars; eggs; genotype; hybrids; insects; larvae; parasitism; parasitoids; pest resistance; progeny; tomatoes; wild relatives
Abstract:
... Populations of Helicoverpa (= Heliothis) zea (Boddie), Heliothis virescens (F.), Manduca sexta (L.) and M. quinquemaculata (Haw.) and their egg and larval parasitoids were sampled in field plots of the: insect-resistant wild tomato, Lycopersicon hirsutum f. glabratum C. H. Mull, accession PI 134417; susceptible commercial tomato cultivar ‘Better Boy' F₁ hybrid; and selected, moderately resistant b ...
DOI:
10.1111/j.1570-7458.1994.tb01788.x

3. Identification of a linkage group with a major effect on resistance to Bacillus thuringiensis Cry1Ac endotoxin in the tobacco budworm (Lepidoptera: Noctuidae)

Author:
Heckel, D.G.; Gahan, L.C.; Gould, F.; Anderson, A.
Source:
Journal of economic entomology 1997 v.90 no.1 pp. 75-86
ISSN:
0022-0493
Subject:
backcrossing; loci; allozymes; genetic resistance; linkage groups; Bacillus thuringiensis; crystal proteins; Heliothis virescens; insecticide resistance; endotoxins; mortality; genetic markers
Abstract:
... Resistance to Bacillus thuringiensis (Berliner) Cry1Ac toxin was subjected to genetic analysis in the YHD2 strain of Heliothis virescens (F.). Resistance in this strain allows survival at high toxin concentrations that kill all susceptible individuals, and permits rapid growth at lower sublethal concentrations that inhibit growth of susceptibles. To quantify the number and relative effects of loci ...
DOI:
10.1093/jee/90.1.75

4. Increased susceptibility of pyrethroid-resistant tobacco budworm (Lepidoptera: Noctuidae) to chlorfenapyr

Author:
Pimprale, S.S.; Besco, C.L.; Bryson, P.K.; Brown, T.M.
Source:
Journal of economic entomology 1997 v.90 no.1 pp. 49-54
ISSN:
0022-0493
Subject:
backcrossing; genetic resistance; artificial diets; cross resistance; cypermethrin; inheritance (genetics); toxicity; Heliothis virescens; insecticide resistance; insect control
Abstract:
... Chlorfenapyr is a new pyrrole insecticide with a new mode of action. Its toxicity to adult Heliothis virescens (F.) is negatively correlated with cypermethrin toxicity by the equation y = -1.065x + 3.513 (r = 0.97), where x = log LC50 cypermethrin, y = log LC50 chlorfenapyr. Chlorfenapyr was most toxic to adults of a pyrethroid-resistant strain (LC50 = 70.1 micrograms per vial in adult vial tests ...
DOI:
10.1093/jee/90.1.49

5. Infectious Enterococcus from Heliothis virescens X H. subflexa backcross hybrids (Lepidoptera: Noctuidae)

Author:
Miller, S.G.; Miller, R.D.
Source:
Annals of the Entomological Society of America 1996 v.89 no.3 pp. 420-427
ISSN:
0013-8746
Subject:
infection; Heliothis virescens; Heliothis subflexa; Streptococcus; male fertility; spermatozoa; ultrastructure; backcrossing
DOI:
10.1093/aesa/89.3.420

6. Influence of Five Gossypium Species Cytoplasms on Yield, Yield Components, Fiber Properties, and Insect Resistance in Upland Cotton

Author:
W. R. Meredith; Vesta Meyer; B. W. Hanny; J. C. Bailey
Source:
Crop science 1979 v.19 no.5 pp. 647-650
ISSN:
0011-183X
Subject:
Empoasca; Gossypium hirsutum; Heliothis virescens; Lygus lineolaris; Trialeurodes; backcrossing; cotton; cultivars; cytoplasm; insect resistance; insects; pests
Abstract:
... The influence of five exotic cotton (Gossypium spp.) cytoplasms on yield, yield components, fiber properties, and insect populations was determined at Stoneville, Miss. The five cytoplasms were G. herbaceum L., G. arboreum L., G. anomalum Wawra ex Wawra & Peyr., G. barbadense L., and G. tomentosum Nutt. ex Seem. The five cytoplasms were combined by repeated backcrossing into the following upland c ...
DOI:
10.2135/cropsci1979.0011183X001900050025x

7. Inheritance of permethrin resistance in the tobacco budworm (Lepidoptera: Noctuidae)

Author:
Payne, G.T.; Blenk, R.G.; Brown, T.M.
Source:
Journal of economic entomology 1988 v.81 no.1 pp. 65-73
ISSN:
0022-0493
Subject:
Heliothis virescens; hybrids; insecticide resistance; mortality; pyrethrins; backcrossing; inheritance (genetics)
Abstract:
... Permethrin resistance in the tobacco budworm, Heliothis virescens (F.), was inherited as a single, major, incompletely recessive, autosomal factor. In each of two parental resistant strains, backcrosses to their respective hybrids demonstrated segregation. A distinct plateau in mortality from 50 to 500 micrograms/g larva was observed. High, stable permethrin resistance (ca. 540-fold) was observed ...
DOI:
10.1093/jee/81.1.65

8. Introgressing pheromone QTL between species: Towards an evolutionary understanding of differentiation in sexual communication

Author:
Groot, A.T.; Ward, C.; Wang, J.; Pokrzywa, A.; O'Brien, J.; Bennett, J.; Kelly, J.; Santangelo, R.G.; Schal, C.; Gould, F.
Source:
Journal of chemical ecology 2004 v.30 no.12 pp. 2495-2514
ISSN:
0098-0331
Subject:
insect communication; sex pheromones; chemical composition; quantitative trait loci; amplified fragment length polymorphism; evolution; backcrossing; Heliothis virescens; Heliothis subflexa
PubMed:
15724967

9. Introgressing pheromone qtl between species: towards an evolutionary understanding of differentiation in sexual communication

Author:
ASTRID T. GROOT; CATHERINE WARD; JING WANG; AMANDA POKRZYWA; JENNIFER O’BRIEN; JOY BENNETT; JENNIFER KELLY; RICHARD G. SANTANGELO; COBY SCHAL; FRED GOULD
Source:
Journal of chemical ecology 2004 v.30 no.12 pp. 2495-2514
ISSN:
0098-0331
Subject:
Heliothis virescens; acetates; alcohols; amplified fragment length polymorphism; autosomes; backcrossing; communications technology; epistasis; females; genotype; introgression; males; mitochondrial DNA; moths; phenotype; pheromone blends; pheromone glands; quantitative trait loci; sex pheromones
Abstract:
... As a first step toward understanding how noctuid moths evolve species-specific pheromone communication systems, we hybridized and backcrossed two closely related moth species, Heliothis virescens (Hv) and H. subflexa (Hs), which differ qualitatively and quantitatively in their multi-component sex pheromone blends. We used amplified fragment length polymorphism (AFLP) marker-based mapping of backcr ...
DOI:
10.1007/s10886-004-7946-y

10. Parasitization of Heliothis virescens and H. virescens-H. subflexa backcross (Lepidoptera: Noctuidae) by Microplitis croceipes (Hymenoptera: Braconidae)

Author:
Tillman, P.G.; Laster, M.L.
Source:
Environmental entomology 1995 v.24 no.2 pp. 409-411
ISSN:
0046-225X
Subject:
Heliothis virescens; Heliothis subflexa; parasitism; Microplitis croceipes; parasitoids; sterile insect technique; biological control; longevity; fecundity; biological development; backcrossing; insect development
Abstract:
... Ovipositional acceptance tests with Microplitis croceipes (Cresson) were conducted in the laboratory using Heliothis virescens (F.) and the H. virescens-H. subflexa back cross. No differences in parasitism rates of the two host types were observed in petri dish bioassays. A similar lack of difference in parasitization of H. virescens and H. virescens-H. subflexa larvae was observed in field studie ...
DOI:
10.1093/ee/24.2.409

11. Production of pheromone by hairpencil glands of males obtained from interspecific hybridization between Heliothis virescens and H. subflexa (Lepidoptera: Noctuidae)

Author:
Teal, P.E.A.; Oostendorp, A.
Source:
Journal of chemical ecology 1995 v.21 no.1 pp. 59-67
ISSN:
0098-0331
Subject:
Heliothis virescens; Heliothis subflexa; hybrids; interspecific hybridization; backcrossing; sex pheromones; biological production; genes; phenotype; animal glands; males
Abstract:
... Pheromone produced by the hairpencil glands of interspecific hybrid- and backcross-generation males from crosses between Heliothis virescens (F.) with H. subflexa (Gn.) was studied. Males of reciprocal F1 hybrids, all of which had hairpencil glands morphologically similar to those of H. virescens, produced neither the same pheromone blend nor amounts of pheromone that were produced by males of H. ...
Handle:
10113/23123
DOI:
10.1007/BF02033662
PubMed:
24233567

12. QTL analysis of sex pheromone blend differences between two closely related moths: Insights into divergence in biosynthetic pathways

Author:
Groot, Astrid T.; Estock, Marie L.; Horovitz, Joy L.; Hamilton, Jennifer; Santangelo, Richard G.; Schal, Coby; Gould, Fred
Source:
Insect biochemistry and molecular biology 2009 v.39 no.8 pp. 568-577
ISSN:
0965-1748
Subject:
moths; insect biochemistry; insect reproduction; insect behavior; mating behavior; sex pheromones; biosynthesis; biochemical pathways; enzymes; gender differences; males; females; Heliothis virescens; Heliothis subflexa; backcrossing; gene expression; genes; insect genetics; quantitative trait loci; inheritance (genetics); insect pheromones; divergent evolution
Abstract:
... To understand the evolution of premating signals in moths, it is important to know the genetic basis of these signals. We conducted Quantitative Trait Locus (QTL) analysis by hybridizing two noctuid moth species, Heliothis virescens (Hv) and Heliothis subflexa (Hs), and backcrossing the F1 females to males of both parental species. One of these backcrosses (F1 x Hs) was a biological replicate of o ...
DOI:
10.1016/j.ibmb.2009.05.002
PubMed:
19477278

13. Sex pheromone specificity in Heliothis

Author:
Tingle, F.C.; Mitchell, E.R.; Baumhover, A.H.
Source:
Journal of chemical ecology 1978 v.4 no.4 pp. 471-479
ISSN:
0098-0331
Subject:
Heliothis subflexa; Heliothis virescens; Helicoverpa zea; sex pheromones; sex attractants; trapping; pheromone traps; backcrossing; hybrids; mating behavior; olfactometry; wind tunnels; nocturnal activity
Abstract:
... Electric grid traps baited with Heliothis subflexa (Guenée), H. virescens (F.), or H. zea (Boddie) females captured conspecific males with few exceptions.Heliothis subflexa females reduced the attraction ofH. virescens and H. zea males when used as bait simultaneously with females of either of these two species. Backcrosses were made with H. virescens males and female hybrids from a cross between ...
Handle:
10113/23301
DOI:
10.1007/BF00989503

14. Simple method for monitoring dispersal of Heliothis (Lepidoptera: Noctuidae) backcross sterility genes

Author:
Roehrdanz, R.L.
Source:
Journal of economic entomology 1994 v.87 no.3 pp. 676-679
ISSN:
0022-0493
Subject:
Heliothis subflexa; Heliothis virescens; genes; mitochondrial DNA; sterile insect technique; backcrossing
Abstract:
... Release of sterile backcross males from [Heliothis subflexa (F.) X H. virescens (Guenee) females X H. virescens males] has been suggested as a means of reducing populations of H. virescens. A simple method is needed to measure the persistence or dispersal of the backcross sterility genetic factors. Backcross male sterility is transmitted via maternal inheritance. The mitochondrial DNA (mtDNA) also ...
DOI:
10.1093/jee/87.3.676
PubMed:
8027473

15. Survival, emergence, and release of laboratory-reared, backcross tobacco budworm (Lepidoptera: Noctuidae) pupae shipped from Stoneville, Miss., to St. Croix, U.S. Virgin Islands

Author:
Proshold, F.I.; King, E.G.; Hartley, G.G.
Source:
Journal of economic entomology 1986 v.79 no.2 pp. 541-544
ISSN:
0022-0493
Subject:
Heliothis virescens; mortality; sterile insect technique; backcrossing; laboratory rearing; Mississippi
DOI:
10.1093/jee/79.2.541

16. The genetic basis of host range in Heliothis virescens: larval survival and growth

Author:
Sheck, A.L.; Gould, F.
Source:
Entomologia experimentalis et applicata 1993 v.69 no.2 pp. 157-172
ISSN:
0013-8703
Subject:
Glycine max; Gossypium hirsutum; Heliothis subflexa; Heliothis virescens; Nicotiana tabacum; Physalis pubescens; additive effect; backcrossing; cotton; dominance (genetics); environmental impact; epistasis; females; host plants; host range; hybrids; larvae; males; maternal effect; models; overdominance; parents; progeny; sex linkage; soybeans; tobacco; weight gain
Abstract:
... Larval feeding was assayed in a generalist caterpillar (Heliothis virescens (F.)), a specialist caterpillar (Heliothis subflexa (Gn.)), their F₁ hybrids and a backcross with H.s. to gain a preliminary understanding of the genetic basis of host use in H.v. Plants used in these experiments were tobacco (Nicotiana tabaccum), cotton (Gossypium hirsutum), soybean (Glycine max) (hosts of H.v.) and groun ...
DOI:
10.1111/j.1570-7458.1993.tb01738.x