CSS302-Lecture2 - WeedDefinition s Websters Dictionary Any...

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Weed Definition Websters Dictionary Any plant growing in cultivated ground to the detriment of the crop or the disfigurement of the site, an economically useless or unsightly plant or wild growth.
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Professional Weed Scientists Blatchley (1912) A plant out of place, or growing where it is not wanted Harper (1960) Higher plants which are a ____________ Aldrich (1980) A plant that originated under a natural environment and, in response to imposed and natural environments, evolved, and continues to do so, as an __________________ with our crops and activities Ross and Lembi (1985) Plants that are competitive, pernicious, and persistant. They interfere with ____________ and as a result are undesirable.
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Enthusiastic Amateurs Emerson (1876) A plant whose ________ have not yet been discovered.
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Ecologists Blatchley (1912) A plant which contests with man for ____________________. Bunting (1960)
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CSS302-Lecture2 - WeedDefinition s Websters Dictionary Any...

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