a toxic chemical used as a herbicide, belonging to the same class of quaternary compounds as paraquat
Beat path weeds with a non-creeping residual weedkiller based on paraquat, diquat,simazine or aminotriazole.
diquat in American English
(ˈdaikwɑt)
noun
a yellow crystalline substance, C12H12Br2N2, used as a selective postemergence herbicide to control weeds on noncrop land and for aquatic weed control
Word origin
[1955–60; di-1 + quat(ernary)]This word is first recorded in the period 1955–60. Other words that entered Englishat around the same time include: backgrounder, cassette, life-support, opioid, rolloutdi- is a prefix occurring in loanwords from Greek, where it meant “two,” “twice,” “double”(diphthong). On this model, di- is freely used in the formation of compound words (dicotyledon; dipolar) and in chemical terms (diatomic; disulfide)
Examples of 'diquat' in a sentence
diquat
The symptoms developed faster in diquat-treated plants.
T. Neves, L.L. Foloni, R.A. Pitelli 2002, 'Controle químico do aguapé (Eichhornia crassipes) Chemical control of waterhyacinth(Eichhornia crassipes)', Planta Daninhahttp://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-83582002000400011. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
In the 2012/13 season the carfentrazone-ethyl was substituted by diquat.
Tamara Pereira , Cileide Maria Medeiros Coelho , Clovis Arruda Souza , Analu Mantovani, Vanderléia Mathias 2015, 'Chemical desiccation for early harvest in soybean cultivars', Semina: Ciências Agráriashttp://www.uel.br/revistas/uel/index.php/semagrarias/editor/submission/16028. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Diquat desiccation was evaluated in applications during milk or dough seed maturation stages.
Rade Stanisavljević, Dragoslav Djokić, Jasmina Milenković, Dragan Terzić, Lana Djukanović,Vladeta Stevović, Dejan Dodig 2010, 'Desiccation, postharvest maturity and seed aging of tall oat-grass', Pesquisa Agropecuária Brasileirahttp://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-204X2010001100010&lng=en&tlng=en. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
We pointed out the heart as one of the most severely affected organs in diquat poisoning.
Jović-Stošić Jasmina, Babić Gordana, Todorović Veljko 2009, 'Fatal diquat intoxication', Vojnosanitetski Pregledhttp://www.doiserbia.nb.rs/img/doi/0042-8450/2009/0042-84500906477J.pdf. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
In the fourth assay, waterhyacinth control was studied using diquat sprayed during the day or at night.
T. Neves, L.L. Foloni, R.A. Pitelli 2002, 'Controle químico do aguapé (Eichhornia crassipes) Chemical control of waterhyacinth(Eichhornia crassipes)', Planta Daninhahttp://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-83582002000400011. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)