About 90% of rice is produced and consumed in Asia, where the demand for rice is on the
increase due to increasing population. Rice is a semiaquatic plant and grows well under …

Abstract Echinochloa colona (L.) Link. is one of the most problematic weeds across the
world. It is an annual C 4 summer grass, native to tropical and subtropical Asia, emerged as …

Forty rice (Oryza sativa L.) cultivars and breeding lines used in the International Rice
Research Institute (IRRI) upland rice breeding program were evaluated in adjacent weed …

Echinochloa oryzoides and E. phyllopogon have become the most serious weeds in
California Oryza sativa since continuous flooding was used to suppress E. crus-galli …

Weeds are a major problem for rice production in California, and late watergrass
(Echinochloa phyllopogon (Stapf) Koss) is one of the most serious weeds in water-seeded …

Six experiments were conducted in three rice fields near Harrisburg, AR in Poinsett County
in 1991 and 1992 to confirm barnyardgrass resistance to propanil and to compare herbicide …

Propanil-resistant barnyardgrass was reported in Poinsett County, AR, in 1990. Greenhouse
studies were initiated to determine the distribution of propanil-resistant barnyardgrass in the …

Twenty-one grass weeds have evolved resistance to herbicides in Latin America,
particularly in rice, soybean, wheat, and orchards. Junglerice, the most widespread and …

Rice cultivars resistant to broad‐spectrum herbicides have been developed and their
commercial release is imminent, especially for imidazolinone and glufosinate resistant …

Two populations of Echinochloa crus‐galli (R and I) exhibited resistance to quinclorac.
Another population (X) exhibited resistance to quinclorac and atrazine. The R and I …