Department of Agriculture
@usgov.usda_gov_data_from_host_plant_water_deficit_stress_imp_d93ef6fe
Data from choice and no-choice tests associated with the paper cited below. Drought leading to water deficit stress is known to reduce performance of galling insects. The shoot tip-galling fly Parafreutreta regalis has been released for biological control of Cape-ivy (Delairea odorata) in California. Lack of moisture during the dry season causes wilting of Cape-ivy shoots, and subsequent reduced host quantity and quality could influence the fly’s ability to multiply and establish. We imposed water deficit stress on potted Cape-ivy plants, then measured the plant’s and insect’s response to water deficit compared to fully-watered plants. Water deficit stress was imposed during female oviposition (short-term), gall development (long-term), or full insect life cycle (long-term). Plants subjected to long-term water deficit showed declines in shoot growth, leaf area, and total biomass. In choice tests, 72% fewer galls were found on water deficit stressed plants, but there was no difference in the numbers of insects per gall. In no-choice tests, long-term water deficit reduced the number and size of galls by up to 51% and 39%, respectively, and puparia inside the galls were up to 35% smaller. Long-term water deficit also increased the time required for the insect to complete its life cycle (egg to adult) by about 10 days, and up to 80% fewer adults emerged, decreasing the fly’s rate of increase by up to five-fold. Our study shows that P. regalis will oviposit and develop successfully on water deficit-stressed plants, but declines in female preference, insect development and abundance could inhibit fly field establishment and/or population growth under climatic drought conditions.
Resources in this dataset:
File Name: CI Fly Drought Stress Biological Control Data Archive.csv
Resource Description: Tabular data for all choice and no-choice experiments
Resource Software Recommended: MS Excel,url: https://www.microsoft.com/en-us/microsoft-365?ms.url=office365com&rtc;=1
File Name: Data Dictionary for Archiving Feb17-2021.txt
Resource Description: Data dictionary text file describing column headings in the csv file
Resource Software Recommended: MS Word,url: https://www.microsoft.com/en-us/microsoft-365?ms.url=office365com&rtc;=1
Organization: Department of Agriculture
Last updated: 2024-03-30T11:18:39.734091
Tags: ars, biological-control, data-gov, diptera, drought-stress, np304, water-deficit-stress, weed-management
CREATE TABLE ci_fly_drought_stress_biological_control_data_archive (
"trialplantmeasures" VARCHAR,
"treatmentplantmeasures" VARCHAR,
"plantnumplantmeasures" DOUBLE,
"number_of_new_shoots" DOUBLE,
"shoot_growth_cm" VARCHAR -- Shoot Growth (cm),
"new_shoot_tips" DOUBLE,
"total_leaf_area_cm2" DOUBLE -- Total Leaf Area (cm2),
"avg_leaf_area_cm2" DOUBLE -- Avg Leaf Area (cm2),
"total_leaves" DOUBLE,
"plant_biomass_dry" DOUBLE -- Plant Biomass (dry),
"log10new_shoots" DOUBLE,
"log10shoot_length" DOUBLE,
"log10shoot_growth" DOUBLE,
"log10new_shoot_tips" DOUBLE,
"log10total_leaves" DOUBLE,
"log10total_leaf_area" DOUBLE,
"log10avg_leaf_area" DOUBLE,
"log10plant_biomass_dry" DOUBLE -- Log10Plant Biomass (dry),
"trialinsectmeasures" VARCHAR,
"n__treatmentinsectmeasures" VARCHAR -- TreatmentInsectMeasures,
"droughtlengthinsectmeasures" VARCHAR,
"plantnuminsectmeasures" DOUBLE,
"number_of_galls_mature" DOUBLE,
"number_of_galls_aborted" DOUBLE,
"prop_galls_mature" DOUBLE,
"avg_gall_width_mm" DOUBLE -- Avg. Gall Width (mm),
"log10gall_width" DOUBLE,
"avg_gall_mass_mg" DOUBLE -- Avg. Gall Mass (mg),
"log10gall_mass" DOUBLE,
"avg_immature_insects_all_galls_mature_or_aborted" DOUBLE -- Avg Immature Insects / All Galls-Mature Or Aborted,
"sum_number_of_larvae" DOUBLE -- Sum(Number Of Larvae),
"sum_number_of_puparia" DOUBLE -- Sum(Number Of Puparia),
"avg_num_puparia_mature_gall" DOUBLE -- Avg Num Puparia / Mature Gall,
"avg_puparia_mass_mg_in_mature_gall" DOUBLE -- Avg. Puparia Mass (mg) In Mature Gall,
"avg_days_to_pupation" DOUBLE -- Avg. Days To Pupation,
"number_of_emerged_galls_used_for_adult_counts" VARCHAR,
"sum_emerged_adults" DOUBLE,
"avg_live_adults_emerged_gall" DOUBLE -- Avg Live Adults / Emerged Gall,
"sum_dead_adults_not_eclosed_in_emerged_gall" DOUBLE,
"avg_dead_adults_emerged_gall" DOUBLE -- Avg Dead Adults / Emerged Gall,
"log10adults_eclosed" DOUBLE,
"avg_days_adults_emerge" DOUBLE -- Avg. Days Adults Emerge,
"sum_immature_insects" DOUBLE -- Sum(Immature Insects),
"sum_dead_immature_insects" DOUBLE -- Sum(Dead Immature Insects),
"avg_dead_insects_gall_both_mature_and_aborted_galls" DOUBLE -- Avg Dead Insects / Gall-Both Mature And Aborted Galls,
"immature_mortality" DOUBLE,
"log10immature_mortality" DOUBLE,
"choicetesttrial" DOUBLE,
"choicetesttreament" VARCHAR,
"choicetestnumberof_galls" DOUBLE,
"choicetestnumberoflarvae" DOUBLE,
"choicetestnumberof_eggs" VARCHAR,
"choicetesttotalinsects" DOUBLE,
"choicetestinsectspergall" DOUBLE,
"choicetestnumberof_shoot_tips" DOUBLE,
"flyemergencerep" VARCHAR,
"n__flyemergencetreatment" VARCHAR -- FlyEmergenceTreatment,
"flyemergenceplantnum" BIGINT,
"flyemergencestart_date" TIMESTAMP,
"flyemergenceeclose_date" TIMESTAMP,
"emerged_number_of_females" BIGINT,
"emerged_number_of_males" BIGINT,
"emerged_number_of_escaped" BIGINT,
"emerged_total_flies" BIGINT,
"emerged_days_to_eclose" BIGINT
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