OwnerUnited States Department of Agriculture - view all
Update frequencyunknown
Last updated10 months ago
Format
OverviewNP304ecdysonejuvenile hormonemethoprenereproductive diapauseweevil
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, which is a recently permitted biological control agent of yellow starthistle (Centaurea solstitialis). Adult weevils feed on leaves, creating pin holes, and lay eggs inside leaves. Diapausing weevils were treated with various doses of methoprene (0, 0.01, 0.1, 1.0 micrograms) dissolved in acetone in experiments 1 and 2. They were treated sequentially first with acetone or 20-ecdysone (1.0 microgram) and then with methoprene (1.0 microgram) in experiment 3 and were treated with 20-ecdysone followed by methoprene in experiment 4.
Additional Information
KeyValue
dcat_modified2022-09-16
dcat_publisher_nameAgricultural Research Service
guid394cbbe9-1823-45df-8aec-28c1dfaead17
language
harvest_object_ida961c743-ee3e-4248-a44e-ba9a237b8477
harvest_source_id2c0b1e04-ba48-4488-9de5-0dab41f9913f
harvest_source_titleUSDA Open Data Catalog