Herbicide

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Dictionary Meaning and Definition on 'Herbicide'

Herbicide Meaning and Definition from WordNet (r) 2.0
    herbicide n : a chemical agent that destroys plants or inhibits their growth [syn: weedkiller, weed killer]
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Wikipedia Meaning and Definition on 'Herbicide'


A herbicide, commonly known as a weedkiller, is a type of pesticide used to kill unwanted plants. Selective herbicides kill specific targets while leaving the desired crop relatively unharmed. Some of these act by interfering with the growth of the weed and are often synthetic "imitations" of plant hormones. Herbicides used to clear waste ground, industrial sites, railways and railway embankments are non-selective and kill all plant material with which they come into contact. Smaller quantities are used in forestry, pasture systems, and management of areas set aside as wildlife habitat.

Some plants produce natural herbicides, such as the genus Juglans (walnuts), or the tree of heaven; the study of such natural herbicides, and other related chemical interactions, is called allelopathy.

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Herbicide Sample Sentences in News


  • BASF supports the use of HEAT® herbicide as a pre-harvest application for the 2014 season
    BASF supports the use of HEAT® herbicide as a pre-harvest application for the 2014 season Read more on this news related to 'Herbicide'
  • New Training Modules on Herbicide Resistance Now Available from the Weed Science Society of America
    The Weed Science Society of America has announced the release of three new education modules on herbicide resistance in weeds. These modules will be available for free on the WSSA website and include materials about herbicide resistance management in aquatic, non-crop, and turf environments. (PRWeb July 30, 2014) Read the full story at http://www.prweb.com/release Read more on this news related to 'Herbicide'
  • Late-season herbicide may be ineffective, scientist says
    WEST LAFAYETTE — For farmers seeing weeds in their crop fields this late in the growing season, hand-rouging and pulling them by hand may be the best way to remove them, more so than using a herbicide, a Purdue Extension weed scientist says.“The majo Read more on this news related to 'Herbicide'

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