Efficacy of KIH-2023 in dry- and water-seeded rice (Oryza sativa)

Michael P. Braverman, David L. Jordan

Research output: Contribution to journalArticlepeer-review

15 Scopus citations


Efficacy of KIH-2023 applied POST at rates of 15 to 40 g ai/ha was evaluated in dry-seeded and water-seeded rice production in 1994 and 1995. Purple ammannia, ducksalad, and Indian jointvetch control with KIH-2023 was similar, and alligatorweed control was greater with KIH-2023 compared with propanil or tank mixtures of propanil plus thiobencarb in water-seeded rice. Barnyardgrass was controlled similarly with KIH-2023 and sequential applications of propanil in dry-seeded rice. Rice yields generally reflected differences in weed control, with yields of rice treated with KIH-2023 similar to sequential propanil applications or propanil plus thiobencarb in dry-, and water-seeded rice, respectively. Minor rice foliar and root injury were noted with KIH-2023. Nomenclature: KIH-2023, sodium 2,6-bis[(4,6-dimethoxypyrimidin-2-yl)oxy]benzoate; propanil, N-(3,4-dichlorophenyl)propanamide; thiobencarb, S-[(4-chlorophenyl)methyl]diethylcarbamothioate; alligatorweed, Alternanthera philoxeroides (Mart.) Griseb. #3 ALRPH; barnyardgrass, Echinochloa crus-galli (L.) Beauv. # ECHCG; ducksalad, Heteranthera limosa (Sw.) Willd. # HETLI; Indian jointvetch, Aeschynomene indica L. # AESIN; purple ammannia, Ammannia coccinea Rottb. # AMMCO; rice, Oryza sativa L. 'Cypress,' 'Laccasine.'.

Original languageEnglish (US)
Pages (from-to)876-882
Number of pages7
JournalWeed Technology
Issue number4
StatePublished - 1996
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Agronomy and Crop Science
  • Plant Science


  • Aeschynomene indica
  • Alternanthera philoxeroides
  • Ammannia coccinea
  • Dymron
  • Echinochloa crus-galli
  • Heteranthera limosa
  • Propanil
  • Thiobencarb
  • Weed management systems


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