Weed Management

Vegetable Crops Hotline A newsletter for commercial vegetable growers prepared by the Purdue University Cooperative Extension Service

Weed Management

Weed Spotlight: Palmer Amaranth

May 15, 2024 - From Issue: 736

By: Emmanuel Cooper and Stephen Meyers

Figure 5. Above view of alternate leaves looking like whorled (Photo by A. Mueth).

Common names: Palmer amaranth, Palmer pigweed, carelessweed, and dioecious amaranth. Latin name: Amaranthus palmeri. “Amaranthus” is derived from the Greek word “amarantus” meaning “everlasting flowers”. This is a reference to [Read More…]

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Vegetable Crops – General

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New Spartan® 4F Herbicide Label for Mint Growers

May 15, 2024 - From Issue: 736

By: Stephen Meyers

Figure 1. Spartan 24c label screen shot.

Indiana mint growers have a newly registered use for a familiar herbicide. Spartan®, already labeled for use in newly planted and dormant mint, can now be applied as a post-harvest [Read More…]

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Mint

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Weed Management

Weed Spotlight: Dandelion

May 2, 2024 - From Issue: 735

By: Celia Corado and Stephen Meyers

Figure 6. A dandelion inflorescence (flower head) consisting of hundreds of individual yellow flowers (Photo by John Obermeyer).

Common names: Dandelion, lions-tooth, blow-ball, cankerwort, Irish daisy, pee-a-bed, wet-a-bed Latin name: Taraxacum officinale Family: Asteraceae (Aster family, sunflower family) Life Cycle Dandelion is a perennial weed that reproduces by [Read More…]

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Vegetable Crops – General

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Findings From Two Years of Organic Sweet Potato Weed Management Research

May 2, 2024 - From Issue: 735

By: Emmanuel Cooper and Stephen Meyers

Figure 5. Visual representation of three in-row spacings evaluated at Vincennes (Photo by Emmanuel Cooper).

Background Sweet potato is a staple crop that provides nutritional benefits to humans globally, but weed interference (Figure 1) can reduce yields by 22 to 90%. Despite increased organic sweet [Read More…]

Article Categories:

Root, Tuber, and Bulb Crops
- Sweet Potato

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Weed Management

2024 Midwest Mechanical Weed Control Field Day

April 17, 2024 - From Issues: 734 / 735 / 741 / 742 / 743 / 744

By: Ashley Adair

ON-SITE REGISTRATION AVAILABLE (Lunch not guaranteed with on-site registration) The 7th Annual Midwest Mechanical Weed Control Field Day is heading to Meigs Horticulture Research Farm in Lafayette, IN, in 2024![Read More…]

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Vegetable Crops – General

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Weed Management Strategies for Vegetable Farms

April 17, 2024 - From Issue: 734

By: Stephen Meyers and Jeanine Arana

Figure 6. Flaming weeds emerged on the planting row before planting (left) and scorched weeds after one pass of the flame weeder (right) (Photo by J. Arana).

Weeds can quickly take over vegetable farms, reducing yield and interfering with harvest. Effective weed management is vital for keeping farms efficient and productive. Because every farm is unique, there [Read More…]

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Vegetable Crops – General

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Weed Management

Weed Spotlight: Purple Deadnettle

April 3, 2024 - From Issue: 733

By: Carlos Lopez, Stephen Meyers and Jeanine Arana

Common Names Purple deadnettle, red deadnettle. Latin name Lamium purpureum. “Lamium” is derived from the Latin for “throat,” referencing the flower tube’s elongated shape. “purpureum”, also derived from the Latin,[Read More…]

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Vegetable Crops – General

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Weed Management

Weed Spotlight: Henbit

March 14, 2024 - From Issue: 732

By: Jeanine Arana and Stephen Meyers

A henbit seedling growing in February 2024 in West Lafayette, IN (Photo by Jeanine Arana).

Common names: Henbit, henbit dead nettle, henbit nettle, blind nettle, bee nettle, and giraffe head. Latin name: Lamium amplexicaule. “Lamium” is derived from the Latin for “throat,” referencing the flower [Read More…]

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Vegetable Crops – General

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See Weeds Perish Up Close and In Person at the Midwest Mechanical Weed Control Field Day!

October 19, 2023 - From Issue: 729

By: Ashley Adair

Figure 1. Planet Jr. antique tractor cultivator demo by Staufer Farms in the event’s Walk-Behind Alley session

September 25th began cloudy and gray, with a hint of autumn in the air and the bustle of field day preparation on Ohio State’s Wooster campus. The Midwest Mechanical Weed [Read More…]

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Weed Management

Command 3ME Now Registered for Use in Banana Peppers in Indiana

September 5, 2023 - From Issue: 727

By: Stephen Meyers

Figure 3. Banana pepper response to Command® 3ME at the Pinney Purdue Ag Center in 2022.

Command® 3ME herbicide recently received a 24C Special Local Need label for use in banana peppers in the state of Indiana (Figure 1). Prior to this registration, Command® 3ME could [Read More…]

Article Categories:

Solanaceous Crops
- Peppers

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Weed Management

Weed Spotlight: Palmer Amaranth

New Spartan® 4F Herbicide Label for Mint Growers

Weed Spotlight: Dandelion

Findings From Two Years of Organic Sweet Potato Weed Management Research

2024 Midwest Mechanical Weed Control Field Day

Weed Management Strategies for Vegetable Farms

Weed Spotlight: Purple Deadnettle

Weed Spotlight: Henbit

See Weeds Perish Up Close and In Person at the Midwest Mechanical Weed Control Field Day!

Command 3ME Now Registered for Use in Banana Peppers in Indiana

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Weed Management

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