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Pronunciation varies by accent · noun
Any of several flowering plants of the genus Striga, from Africa and Asia, some of which are parasitic to crops..
1968, (U.S.) National Research Council: Committee on Plant and Animal Pests: Subcommittee on Weeds, Principles of Plant and Animal Pest Control, Volume 2: Weed Control, National Academy of Sciences Publication 1597, page 43, The witchweed-suppression program is a classic example of a systems approach to weed management and represents one of the finest organized efforts in the United States to eradicate a weed.
A number of witchweed species parasitize important economic plants such as corn, sugarcane, rice, tobacco, and some small grains.
The Asian and African witchweed (Striga asiatica) grows parasitically on the roots of members of the Poaceae, especially maize and sorghum causing significant crop losses, but also on rice, millet, sugar cane and grasses.
Use witchweed when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Witchweed means Any of several flowering plants of the genus Striga, from Africa and Asia, some of which are parasitic to crops..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
1968, (U.S.) National Research Council: Committee on Plant and Animal Pests: Subcommittee on Weeds, Principles of Plant and Animal Pest Control, Volume 2: Weed Control, National Academy of Sciences Publication 1597, page 43, The witchweed-suppression program is a classic example of a systems approach to weed management and represents one of the finest organized efforts in the United States to eradicate a weed.
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