Soil in laboratory microcosm experiments was amended with dried and milled crop residue of onion (Allium cepa L. cv. Mission) or garlic (A. sativa L. cv. California Early). The amend ments, along with the additional factors of amendment concentration (0, 1 or 3% (w/w)) an soil temperature (23 or 39 8C), were evaluated with respect to germination of seeds of th weedy annual plants Echinochloa cr...

The levels of resistance to glyphosate 13 barnyard grass ( Echinochloa crus-galli ) populations harvested across different agriculture areas in the Southern Iberian Peninsula were determined greenhouse and laboratory experiments. Shikimate accumulation fast screening separated regarding glyphosate: susceptible (S) E2, E3, E4, E6 resistant (R) E1, E5, E7, E8, E9, E10, E11, E12, E13. However, fac...

The genus Echinochloa consists of about 33 species worldwide; some these are weeds that very difficult to control in Argentina, and only E. colona was reported as resistant glyphosate. objective this work is determine if one or more populations colona, crus-galli, oryzoides, chacoensis less susceptible Between 2015 2017, seeds different were collected from the provinces Córdoba, Santa Fe, Bueno...