Catalog - Data.gov

Found 31 datasets matching "photoperiod".

Federal
Reduced body mass, food intake, and testis size in response to short photoperiod in adult F344 rats
- Organization: U.S. Department of Health & Human Services
- Updated: 2025-09-06
Background Although laboratory rats are often considered classic nonseasonal breeders, peripubertal rats of two inbred strains, F344 and BN, have both reproductive and nonreproductive...
- html
Search relevance: 140.60 | Views last month: 0
Federal
Laboratory study investigating the effects of seasonal temperature and photoperiod manipulation on Eastern elliptio reproduction
- Organization: Department of the Interior
- Updated: 2020-08-21T00:00:00Z
A laboratory study was conducted at the Northern Appalachian Research Laboratory (Wellsboro, PA) on the ability to manipulate photoperiod and water temperatures to determine its effects on Eastern...
- xml
- xml
Search relevance: 106.40 | Views last month: 0
Federal
Data from: Effects of parental photoperiod and elevation on egg diapause, mortality, and outbreaks of a montane population of Mormon crickets Anabrus simplex (Orthoptera: Tettigoniidae)
- Organization: Department of Agriculture
- Updated: 2025-11-21
With these data, I evaluated the effects of parental photoperiod and offspring environment on prolonged egg diapause, embryonic development and hatching over nine years in natural settings...
- xml
- none
- csv
Search relevance: 95.08 | Views last month: 2
Federal
Net primary productivity (NPP) and associated parameters for the U.S. outer continental shelf waters, 1998-2009 (NCEI Accession 0071184)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2011-06-29T00:00:00.000+00:00
This dataset consists of monthly net primary productivity (NPP) estimates for 1998-2009 derived from the Vertically Generalized Production Model (VGPM) for the 26 Outer Continental Shelf planning...
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- none
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Search relevance: 47.42 | Views last month: 0
Federal
Data from: Conditions to terminate reproductive diapause of a univoltine insect: Ceratapion basicorne (Coleoptera: Apionidae), a biological control agent of yellow starthistle
- Organization: Department of Agriculture
- Updated: 2025-12-02
The data are the number and proportion of female weevils (Ceratapion basicorne) that oviposited after exposure to three different environmental hibernation conditions for three different durations...
- csv
- csv
Search relevance: 43.79 | Views last month: 0
Federal
Data from: Topical application of synthetic hormones terminated reproductive diapause to facilitate rearing of a univoltine weevil for weed biological control agent
- Organization: Department of Agriculture
- Updated: 2025-11-21
These are results of a series of laboratory experiments to determine if topical application of methoprene and 20-ecdysone can terminate reproductive diapause of the weevil, Ceratapion basicorne,...
- csv
- csv
- csv
- csv
- csv
Search relevance: 33.87 | Views last month: 0
Federal
NWFSC OA facility water chemistry - Ocean acidification species exposure experimental facility
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2019-06-10T00:00:00.000+00:00
We have developed a unique facility for conducting high-quality experiments on marine organisms in seawater with controlled carbon chemistry conditions. The experimental system allows for the...
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Search relevance: 32.74 | Views last month: 0
Federal
Data from: Freezing damage in canola (Brassica napus L.) shows varietal differences for deacclimation rates and temperature thresholds for deacclimation initiation
- Organization: Department of Agriculture
- Updated: 2026-01-09
These data indicate the raw freezing survival scores (0=dead, 3=undamaged) of canola that was acclimated for 4 weeks at 5C and then deacclimated at the indicated times and temperatures and then...
- csv
Search relevance: 27.18 | Views last month: 0
Federal
Data from: Association mapping of resistance to tan spot in the Global Durum Panel
- Organization: Department of Agriculture
- Updated: 2025-11-21
Phenotypic data: A total of 510 lines from the global durum panel (GDP) were evaluated for reaction to five isolates of the fungal pathogen Pyrenophora tritici-repentis. The five isolates were...
- xls
- xls
Search relevance: 26.70 | Views last month: 0
Federal
Data from: Multiple infestation of a grain mass by Sitophilus oryzae L. (Coleoptera: Curculionidae) and the fungus, Aspergillus flavus, optimizes abiotic conditions for improved insect fitness
- Organization: Department of Agriculture
- Updated: 2025-07-25
Source Insects and MicrobesSitophilus oryzae that were 4–8-week-old and collected from a food facility in eastern Kansas in 2012 were used. Adults were reared continuously in the laboratory at...
- csv
- csv
- csv
- csv
Search relevance: 24.74 | Views last month: 6
Federal
Data from: Microbial vectoring capacity by internal- and external-infesting stored product insects after varying dispersal periods between novel food patches: An underestimated risk
- Organization: Department of Agriculture
- Updated: 2025-11-21
To determine whether colony populations of Lasioderma serricorne (cigarette beetle, CB) and Sitophilus oryzae (rice weevil, RW) vectored microbes, and to identify possible interactions with...
- csv
Search relevance: 21.04 | Views last month: 0
Federal
OA Experimental Results - Research on the effects of ocean acidification, climate change, and deoxygenation on marine organisms
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2010-10-01T00:00:00.000+00:00
NWFSC scientists are studying the biological effects of ocean acidification on larval geoduck, Pacific oyster, krill, copepods and pteropods (zooplankton that are food for the fish we eat),...
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- none
Search relevance: 18.29 | Views last month: 0
Federal
Data from: Life history changes in Trogoderma variabile and T. inclusum due to mating delay with implications for mating disruption as a management tactic
- Organization: Department of Agriculture
- Updated: 2024-02-08
Egg and progeny counts for Trogoderma variabile and Trogoderma inclusum adults with delays in mating. These data were generated to examine the effect of mating delay on life history and...
- csv
- csv
- csv
Search relevance: 18.18 | Views last month: 0
Federal
Data from: Analysis of expressed sequence tags from a significant livestock pest, the stable fly (Stomoxys calcitrans), identifies transcripts with a putative role in chemosensation and sex determination.
- Organization: Department of Agriculture
- Updated: 2024-02-08
The stable fly, Stomoxys calcitrans L. (Diptera: Muscidae), is one of the most significant pests of livestock in the United States. The identification of targets for the development of novel...
- html
Search relevance: 14.12 | Views last month: 0
Federal
Data from: Flight capacity and behavior of Ephestia kuehniella Zeller (Lepidoptera: Pyralidae) in response to kairomonal and pheromonal stimuli
- Organization: Department of Agriculture
- Updated: 2026-01-09
Kairomonal and pheromonal stimuli The pheromone stimuli consisted of a proprietary blend (IL-103, Insects Limited, Westfield, IN, USA) of the sex pheromone for E. kuehniella, including less than...
- csv
- csv
Search relevance: 13.58 | Views last month: 1
Federal
Data from: A synergist increases efficacy of long-lasting insecticide-incorporated netting against pyrethroid-resistant maize weevil, Sitophilus zeamais (Coleoptera: Curculionidae)
- Organization: Department of Agriculture
- Updated: 2025-09-24
Experimental InsectsFour to eight-week mixed-sex adults of a field strain from Eastern Kansas (collected in 2022, hereafter FS-22) and pyrethroid-resistant strain collected from Juiz de Fora...
- csv
- csv
Search relevance: 12.18 | Views last month: 0
Federal
Data from: The capacity of the larger grain borer and the maize weevil to vector microbes after foraging at novel food patches
- Organization: Department of Agriculture
- Updated: 2025-11-21
Adult Prostephanus truncatus and Sitophilus zeamais were obtained from insect colonies kept at the United States Department of Agriculture (USDA) Center for Grain and Animal Health Research...
- csv
- csv
Search relevance: 11.75 | Views last month: 7
Federal
Data from: Direct lethality and time-delayed sublethal effects of multiple types of insecticide netting against stored product insects
- Organization: Department of Agriculture
- Updated: 2024-12-19
Experimental InsectsThe field strains of T. castaneum and R. dominica (F.) were used in this study. The former originates from Eastern Kansas in 2012, and the latter is also from Eastern Kansas...
- csv
- csv
- csv
Search relevance: 11.75 | Views last month: 1
Federal
Data from: Direct lethality and time-delayed sublethal effects of multiple types of insecticide netting against stored product insects
- Organization: Department of Agriculture
- Updated: 2025-09-24
Experimental Insects The field strains of T. castaneum and R. dominica (F.) were used in this study. The former originates from Eastern Kansas in 2012, and the latter is also from Eastern Kansas...
- csv
- csv
- csv
Search relevance: 11.47 | Views last month: 0
Federal
Data from: Effects of synergists on the efficacy of long-lasting insecticide-incorporated netting against Tribolium castaneum (Coleoptera: Tenebrionidae) and Rhyzopertha dominica (Coleoptera: Bostrichidae)
- Organization: Department of Agriculture
- Updated: 2025-08-27
Experimental Insects Adult Tribolium castaneum and Rhyzopertha castaneum were obtained from insect colonies kept at the United States Department of Agriculture (USDA) Center for Grain and Animal...
- csv
- csv
Search relevance: 11.47 | Views last month: 0

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Reduced body mass, food intake, and testis size in response to short photoperiod in adult F344 rats

Laboratory study investigating the effects of seasonal temperature and photoperiod manipulation on Eastern elliptio reproduction

Data from: Effects of parental photoperiod and elevation on egg diapause, mortality, and outbreaks of a montane population of Mormon crickets <i>Anabrus simplex </i>(Orthoptera: Tettigoniidae)

Net primary productivity (NPP) and associated parameters for the U.S. outer continental shelf waters, 1998-2009 (NCEI Accession 0071184)

Data from: Conditions to terminate reproductive diapause of a univoltine insect: Ceratapion basicorne (Coleoptera: Apionidae), a biological control agent of yellow starthistle

Data from: Topical application of synthetic hormones terminated reproductive diapause to facilitate rearing of a univoltine weevil for weed biological control agent

NWFSC OA facility water chemistry - Ocean acidification species exposure experimental facility

Data from: Freezing damage in canola (<i>Brassica napus</i> L.) shows varietal differences for deacclimation rates and temperature thresholds for deacclimation initiation

Data from: Association mapping of resistance to tan spot in the Global Durum Panel

Data from: Multiple infestation of a grain mass by <i>Sitophilus oryzae</i> L. (Coleoptera: Curculionidae) and the fungus, <i>Aspergillus flavus,</i> optimizes abiotic conditions for improved insect fitness

Data from: Microbial vectoring capacity by internal- and external-infesting stored product insects after varying dispersal periods between novel food patches: An underestimated risk

OA Experimental Results - Research on the effects of ocean acidification, climate change, and deoxygenation on marine organisms

Data from: Life history changes in Trogoderma variabile and T. inclusum due to mating delay with implications for mating disruption as a management tactic

Data from: Analysis of expressed sequence tags from a significant livestock pest, the stable fly (Stomoxys calcitrans), identifies transcripts with a putative role in chemosensation and sex determination.

Data from: Flight capacity and behavior of Ephestia kuehniella Zeller (Lepidoptera: Pyralidae) in response to kairomonal and pheromonal stimuli

Data from: A synergist increases efficacy of long-lasting insecticide-incorporated netting against pyrethroid-resistant maize weevil, <i>Sitophilus zeamais</i> (Coleoptera: Curculionidae)

Data from: The capacity of the larger grain borer and the maize weevil to vector microbes after foraging at novel food patches

Data from: Direct lethality and time-delayed sublethal effects of multiple types of insecticide netting against stored product insects

Data from: Direct lethality and time-delayed sublethal effects of multiple types of insecticide netting against stored product insects

Data from: Effects of synergists on the efficacy of long-lasting insecticide-incorporated netting against <i>Tribolium castaneum </i>(Coleoptera: Tenebrionidae) and <i>Rhyzopertha dominica </i>(Coleoptera: Bostrichidae)