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defoliant    音标拼音: [dɪf'oliənt]
脱叶剂

脱叶剂

defoliant
n 1: a chemical that is sprayed on plants and causes their
leaves to fall off


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  • Defoliant - Wikipedia
    A defoliant is any herbicidal chemical sprayed or dusted on plants to cause their leaves to fall off Defoliants are widely used for the selective removal of weeds in managing croplands and lawns
  • Defoliant | Herbicides, Pesticides, Agriculture | Britannica
    defoliant, a chemical dust or spray applied to plants to cause their leaves to drop off prematurely Defoliants sometimes are applied to crop plants such as cotton in order to facilitate harvesting
  • DEFOLIANT Definition Meaning - Merriam-Webster
    The meaning of DEFOLIANT is a chemical spray or dust applied to plants in order to cause the leaves to drop off prematurely
  • Defoliants: How They Work, Uses, and Dangers - Biology Insights
    A defoliant is a chemical agent applied to foliage to cause the leaves of plants to drop prematurely Unlike herbicides that aim to destroy or inhibit overall plant growth, defoliants primarily focus on stripping leaves from plants While natural environmental factors can induce this action, chemical defoliants are synthesized for targeted application The Mechanism of Defoliation Defoliants
  • Weed Killer, Herbicide, Defoliant, Grass Lawn Control
    Get your grass and weed killer that include GlyStar weed killer at Agri Supply, and you can find exactly what you want, from a spray bottle of weed grass killer to a bag of weed and feed fertilizer Our weed killer variety includes concentrated broadleaf herbicides recommended by grounds professionals and golf course superintendents For superior weed control, use a formulation that kills
  • What Is a Defoliant? Agriculture, War, and Health
    A defoliant is a chemical that forces plants to drop their leaves It works by disrupting the hormones that keep leaves attached to stems, triggering premature leaf fall Defoliants are used primarily in agriculture to prepare crops like cotton for mechanical harvesting, though they became widely known through their military use during the Vietnam War
  • What Are Defoliants Used For? - WorldAtlas
    What Are Defoliants Used For? A U S Army helicopter destroying Vietnamese croplands by way of Agent Orange application from above during the Vietnam War 5 Defoliants versus Herbicides Herbicides are chemicals that are sprayed on plants to destroy or inhibit their growth Defoliants could be considered a type of herbicide, and ones which merely strip the leaves from plants They open up a
  • DEFOLIANT definition and meaning | Collins English Dictionary
    A chemical sprayed or dusted onto trees to cause their leaves to fall, esp to remove cover Click for English pronunciations, examples sentences, video
  • 20. 3: Herbicides and Defoliants - Chemistry LibreTexts
    A defoliant is any herbicidal chemical sprayed or dusted on plants to cause their leaves to fall off Defoliants are widely used for the selective removal of weeds in managing croplands and lawns
  • Defoliant - grokipedia. com
    TDZ, introduced in the 1980s, is the most widely used cotton defoliant globally due to its selectivity for leaves over bolls [1][21]Phosphonic acid derivatives like ethephon (2-chloroethylphosphonic acid) decompose in plant tissues to release ethylene, a natural senescence promoter, facilitating defoliation and boll opening in crops such as





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