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Giant Hogweed (Heracleum mantegazzianum)
https://pested.osu.edu/node/399
Description: A herb in the carrot family (Apiaceae), growing 15 to 20 feet in height. Life cycle: ... heavy seed production. It contains a substance within its sap that makes the skin sensitive to ultra ...
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March 20, 2024- New Applicator Training- In Person
https://pested.osu.edu/events/march-20-2024-new-applicator-training-person
the conclusion of the day. A photo ID is required for the test. Program Brochure Note: There will ... Turf Disease Label Reading Noxious Weed ID License and Study Materials The New Applicator ...
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August 21, 2024- New Applicator Training- In Person
https://pested.osu.edu/events/august-21-2024-new-applicator-training-person
(Category 5) and Turf (Category 8). Testing is available at the conclusion of the day. A photo ID is ... Label Reading Noxious Weed ID License and Study Materials The New Applicator Pesticide Training ...
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Palmer amaranth (Amaranthys palmeri)
https://pested.osu.edu/node/408
flowers occur on separate plants. Fruit: Single seeded utricle with black to dark brown seed. A plant can ... produce up to one million seeds. Leaf: Alternate without hairs, and lance-shaped or eggshaped in outline. ... branches arise. Root: Taproot The problem is….this aggressive plant adds to the seed-bank and it is toxic ...
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Apple of Peru (Nicandra phyhsalodes)
https://pested.osu.edu/node/396
only by seed. Weeds continuously (spring, summer, and fall) in agriculture fields if sufficient ... Short taproot The problem is…. a prolific seed producer. Large, persistent seed-banks quickly accumulate ... in the soil due to seed dormancy. Very competitive with soybeans and vegetable crops also has a low ...
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May 15, 2024- New Applicator Training- In Person
https://pested.osu.edu/events/may-15-2024-new-applicator-training-person
(Category 8). Testing is available at the conclusion of the day. A photo ID is required for the test. ... Reading Noxious Weed ID License and Study Materials The New Applicator Pesticide Training course is ...
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Russian thistle (Salsola Kali var. tenuifolia)
https://pested.osu.edu/node/411
plant is spiny and profusely branched. One plant can produce up to one million seeds. Life Cycle: Annual ... or in a terminal spike, and lack petals. Fruit: Utricle with one horizontalpositioned seed. Leaf: ... Root:Taproot The problem is….plants break off and disperse seed over long distances as they are carried along ...
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Water Hemp (Amaranthus tuberculatus)
https://pested.osu.edu/node/425
release the seed. Leaves: Small, lanceolate shaped glossy leaves. Root: Taproot with secondary fibrous ... roots. The problem is… produces many seeds and can be pollinated over long distances. When present, it ...
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Forage Kochia (Bassia prostrata)
https://pested.osu.edu/node/424
round, flat, or wing-like appendages Fruit: Fruit is an utricle with oval or round seeds Leaves: Linear ... to thread like Root: Taproot The problem is… prolific seed producer and many seedlings germinate ...
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Heart-podded hoary cress (Lepidium draba sub. Draba)
https://pested.osu.edu/node/422
other waterways Flower: Clusters of flat-topped white flowers Fruit: Seed pods are somewhat ... high-price wheat lands. One mature plant produces 1,200 to 4,800 seeds ...