Emmanuel Cooper – Vegetable Crops Hotline
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Home > Articles by: Emmanuel Cooper

Emmanuel Cooper

coope392@purdue.edu

3 articles by this author

Article List

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).
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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…]

 Article Categories:
  • Vegetable Crops – General
 Article Tags:
  • Spotlight
  • Weed Management

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).
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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
 Article Tags:
  • Weed Management

Weed Spotlight

June 2, 2022 - From Issue: 705
By: Emmanuel Cooper and Stephen Meyers
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Velvetleaf (Abutilon theophrasti) – Mallow Family Synonyms: pie marker, buttonweed, Indian mallow, butter print, velvet weed, butter-weed, Indian hemp, cotton-weed, and wild cotton. Identification and General Description Summer annual that[Read More…]

 Article Categories:
  • Vegetable Crops – General
 Article Tags:
  • Weed Management

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