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Articles 1 - 9 of 9
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Life History Comparison Of Two Green Lacewing Species Chrysoperla Johnsoni And Chrysoperla Carnea (Neuroptera: Chrysopidae), Kaushalya G. Amarasekare, Peter W. Shearer
Life History Comparison Of Two Green Lacewing Species Chrysoperla Johnsoni And Chrysoperla Carnea (Neuroptera: Chrysopidae), Kaushalya G. Amarasekare, Peter W. Shearer
Agricultural and Environmental Sciences Faculty Research
We investigated the life histories of two green lacewing species, Chrysoperla johnsoni Henry, Wells, and Pupedis from western North America, and Chrysoperla carnea (Stephens) (Neuroptera: Chrysopidae) from western Europe in the laboratory. There were both similarities and differences in their life history characteristics. C. johnsoni exhibited a significantly longer developmental time for egg, first instar, and pupal stage than C. carnea. C. carnea exhibited a significantly shorter egg to adult developmental time than C. johnsoni. Except for the pupal stage, the survival of all other life history stages was not species-specific. All C. carnea pupae were able to develop …
Identification Of Proteins For Salt Tolerance Using A Comparative Proteomics Analysis Of Tomato Accessions With Contrasting Salt Tolerance, Peter Nveawiah-Yoho, Jing Zhou, Marsha Palmer, Roger Sauve, Suping Zhou, Kevin J. Howe, Tara Fish, Theodore W. Thannhauser
Identification Of Proteins For Salt Tolerance Using A Comparative Proteomics Analysis Of Tomato Accessions With Contrasting Salt Tolerance, Peter Nveawiah-Yoho, Jing Zhou, Marsha Palmer, Roger Sauve, Suping Zhou, Kevin J. Howe, Tara Fish, Theodore W. Thannhauser
Agricultural and Environmental Sciences Faculty Research
Tomato (Solanum lycopersicum) has a wide variety of genotypes differing in their responses to salinity. This study was performed to identify salt-induced changes in proteomes that are distinguishable among tomatoes with contrasting salt tolerance. Tomato accessions [LA4133 (a salt-tolerant cherry tomato accession) and ‘Walter’ LA3465 (a salt-susceptible accession)] were subjected to salt treatment (200 mm NaCl) in hydroponic culture. Salt-induced changes in the root proteomes of each tomato accession were identified using the isobaric tags for relative and absolute quantitation (iTRAQ) method. In LA4133, 178 proteins showed significant differences between salt-treated and non-treated control root tissues (P ≤ 0.05); 169 …
The Phaseolus Vulgaris Zip Gene Family: Identification, Characterization, Mapping, And Gene Expression, Carolina Astudillo, Andrea C. Fernandez, Matthew W. Blair, Karen A. Cichy
The Phaseolus Vulgaris Zip Gene Family: Identification, Characterization, Mapping, And Gene Expression, Carolina Astudillo, Andrea C. Fernandez, Matthew W. Blair, Karen A. Cichy
Agricultural and Environmental Sciences Faculty Research
Zinc is an essential mineral for humans and plants and is involved in many physiological and biochemical processes. In humans, Zn deficiency has been associated with retarded growth and reduction of immune response. In plants, Zn is an essential component of more than 300 enzymes including RNA polymerase, alkaline phosphatase, alcohol dehydrogenase, Cu/Zn superoxidase dismutase, and carbonic anhydrase. The accumulation of Zn in plants involves many genes and characterization of the role of these genes will be useful in biofortification. Here we report the identification and phlyogenetic and sequence characterization of the 23 members of the ZIP (ZRT, IRT like …
A Legume Biofortification Quandary: Variability And Genetic Control Of Seed Coat Micronutrient Accumulation In Common Beans, Matthew W. Blair, Paulo Izquierdo, Carolina Astudillo, Michael A. Grusak
A Legume Biofortification Quandary: Variability And Genetic Control Of Seed Coat Micronutrient Accumulation In Common Beans, Matthew W. Blair, Paulo Izquierdo, Carolina Astudillo, Michael A. Grusak
Agricultural and Environmental Sciences Faculty Research
Common beans (Phaseolus vulgaris L.), like many legumes, are rich in iron, zinc, and certain other microelements that are generally found to be in low concentrations in cereals, other seed crops, and root or tubers and therefore are good candidates for biofortification. But a quandary exists in common bean biofortification: namely that the distribution of iron has been found to be variable between the principal parts of seed; namely the cotyledonary tissue, embryo axis and seed coat. The seed coat represents ten or more percent of the seed weight and must be considered specifically as it accumulates much of …
Preharvest Quarantine Treatments Of Chlorantraniliprole, Clothianidin, And Imidacloprid-Based Insecticides For Control Of Japanese Beetle (Coleoptera: Scarabaeidae) And Other Scarab Larvae In The Root Zone Of Field-Grown Nursery Trees, Jason B. Oliver, Christopher M. Ranger, Michael E. Reding, James J. Moyseenko, Nadeer N. Youssef, Alicia M. Bray
Preharvest Quarantine Treatments Of Chlorantraniliprole, Clothianidin, And Imidacloprid-Based Insecticides For Control Of Japanese Beetle (Coleoptera: Scarabaeidae) And Other Scarab Larvae In The Root Zone Of Field-Grown Nursery Trees, Jason B. Oliver, Christopher M. Ranger, Michael E. Reding, James J. Moyseenko, Nadeer N. Youssef, Alicia M. Bray
Agricultural and Environmental Sciences Faculty Research
Japanese beetle, Popillia japonica Newman (Coleoptera: Scarabaeidae), is an important quarantine pest of nurseries. Nursery plant movement from P. japonica-infested regions is regulated by the U.S. Domestic Japanese Beetle Harmonization Plan (DJHP), which classifies states by risk categories. Treatments for category 2 states include preharvest soil surface treatment of nursery plants grown in field soil using Discus SC, Marathon (1G or 60 WP), or Flagship (0.22G or 25 WG). In this study, Discus, Marathon 60 WP, or Flagship 0.22G DJHP standards were compared with labeled rates of non–DJHP-approved insecticides, including neonicotinoids clothianidin (Arena 50WDG), generic imidacloprid (Quali-Pro Imidacloprid 2 F …
Comparing Effects Of Insecticides On Two Green Lacewings Species, Chrysoperla Johnsoni And Chrysoperla Carnea (Neuroptera: Chrysopidae), K. G. Amarasekare, P. W. Shearer
Comparing Effects Of Insecticides On Two Green Lacewings Species, Chrysoperla Johnsoni And Chrysoperla Carnea (Neuroptera: Chrysopidae), K. G. Amarasekare, P. W. Shearer
Agricultural and Environmental Sciences Faculty Research
This study compared lethal and sublethal effects of five insecticides, chlorantraniliprole, cyantraniliprole, spinetoram, novaluron, and lambda-cyhalothrin, on adult and second instars of two green lacewing species, Chrysoperla carnea (Stephens) and Chrysoperla johnsoni Henry, Wells and Pupedis (Neuroptera: Chrysopidae) in the laboratory. Formulated pesticides were tested using concentrations equivalent to the high label rate dissolved in 378.5 liters of water. Novaluron and lambda-cyhalothrin were toxic to larvae and no treated larvae survived to the adult stage. Larva to adult survival was reduced in chlorantraniliprole, cyantraniliprole, and spinetoram treatments. Larva to adult developmental time and sex ratio were not different among the …
Laboratory Bioassays To Estimate The Lethal And Sublethal Effects Of Various Insecticides And Fungicides On Deraeocoris Brevis (Hemiptera: Miridae), K. G. Amarasekare, P. W. Shearer
Laboratory Bioassays To Estimate The Lethal And Sublethal Effects Of Various Insecticides And Fungicides On Deraeocoris Brevis (Hemiptera: Miridae), K. G. Amarasekare, P. W. Shearer
Agricultural and Environmental Sciences Faculty Research
This laboratory bioassay focused on lethal and sublethal effects of five insecticides (chlorantraniliprole, cyantraniliprole, spinetoram, novaluron, and lambda-cyhalothrin) and two fungicide treatments (sulfur and a mixture of copper hydroxide and mancozeb) on the predatory mired bug, Deraeocoris brevis (Uhler) (Hemiptera: Miridae) using second instars and adult males and females. Formulated pesticides were tested using concentrations that were equivalent to the high label rate (1x) (high rate) and 1/10th of that amount (0.1x) (low rate) dissolved in 378.5 liters of water. Lambda-cyhalothrin was highly toxic to D. brevis nymphs and adults at both rates, whereas both rates of novaluron were highly …
Phenotyping Common Beans For Adaptation To Drought, Stephen E. Beebe, Idupulapati M. Rao, Matthew W. Blair, Jorge A. Acosta-Gallegos
Phenotyping Common Beans For Adaptation To Drought, Stephen E. Beebe, Idupulapati M. Rao, Matthew W. Blair, Jorge A. Acosta-Gallegos
Agricultural and Environmental Sciences Faculty Research
Common beans (Phaseolus vulgaris L.) originated in the New World and are the grain legume of greatest production for direct human consumption. Common bean production is subject to frequent droughts in highland Mexico, in the Pacific coast of Central America, in northeast Brazil, and in eastern and southern Africa from Ethiopia to South Africa. This article reviews efforts to improve common bean for drought tolerance, referring to genetic diversity for drought response, the physiology of drought tolerance mechanisms, and breeding strategies. Different races of common bean respond differently to drought, with race Durango of highland Mexico being a major …
Differential Root Proteome Expression In Tomato Genotypes With Contrasting Drought Tolerance Exposed To Dehydration, Suping Zhou, Marsha Palmer, Jing Zhou, Sarabjit Bhatti, Kevin J. Howe, Tara Fish, Theodore W. Thannhauser
Differential Root Proteome Expression In Tomato Genotypes With Contrasting Drought Tolerance Exposed To Dehydration, Suping Zhou, Marsha Palmer, Jing Zhou, Sarabjit Bhatti, Kevin J. Howe, Tara Fish, Theodore W. Thannhauser
Agricultural and Environmental Sciences Faculty Research
A comparative proteomics study using isobaric tags for relative and absolute quantitation (iTRAQ) was performed on a mesophytic tomato (Solanum lycopersicum) cultivar and a dehydration-resistant wild species (Solanum chilense) to identify proteins that play key roles in tolerance to water deficit stress. In tomato ‘Walter’ LA3465, 130 proteins were identified, of which 104 (80%) were repressed and 26 (20%) were induced. In S. chilense LA1958, a total of 170 proteins were identified with 106 (62%) repressed and 64 (38%) induced. According to their putative molecular functions, the differentially expressed proteins belong to the following subgroups: stress …