Definitions
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun biology Any of several
flowering plants , of the genus Striga, from Africa and Asia; some of them areparasitic to crops
Etymologies
Sorry, no etymologies found.
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Examples
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The parasitic flowering plant Striga, or "witchweed," attacks the roots of host plants, draining needed water and nutrients and leaving them unable to grow and produce any grains.
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Scientists identify gene for resistance to parasitic 'witchweed'
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He is happy to concede some significant weedy problems, such as the loss of arable productivity caused by striga, or witchweed, the "pretty but parasitic" plant that made its way let's be honest: somebody gave it a ride in 1956 from its native Kenya to the eastern United States, where the weed "reduced hundreds of thousands of acres of corn to stubble."
Stow the Mower, Stop Pulling Bill Laws 2011
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He is happy to concede some significant weedy problems, such as the loss of arable productivity caused by striga, or witchweed, the "pretty but parasitic" plant that made its way let's be honest: somebody gave it a ride in 1956 from its native Kenya to the eastern United States, where the weed "reduced hundreds of thousands of acres of corn to stubble."
Stow the Mower, Stop Pulling Bill Laws 2011
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Implacable exotic pests like the cassava mealybug, gray leaf spot and witchweed claim up to half the harvests in the poorest countries, posing a "serious threat to life and livelihood" with "enormous economic and political ramifications," says Guy Preston of the Working for Water program, a South African government initiative dedicated to preserving fresh water.
Attack Of the Aliens 2007
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Usually called striga or witchweed, it is a parasite that lives off other plants during its first few weeks of life.
Chapter 23 1996
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The most important objectives are resistance to blast, helminthosporium (another fungus), striga (parasitic witchweed), lodging, stressful soil and moisture conditions, and grain that can be more easily dehulled and ground.
2. Finger Millet 1996
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Usually called striga or witchweed, it is a parasite that spends its first few weeks of life living off the juices of other species.
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Striga (witchweed) is a parasitic annual weed which invades the roots of grass family plants (sorghum, maize, millet) and can cause serious losses.
Chapter 10 1981
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TORONTO, ON - Each year, thousands of acres of crops are planted throughout Africa, Asia and Australia only to be laid to waste by a parasitic plant called Striga, also known as witchweed.
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