Weed biomass in trials conducted in 2022-2024

Weed biomass (fresh weight) per 0,25 m2 sampling plot.Weed above-ground parts were collected 4-6 weeks after herbicide application in Spring, sorted by species and weighed within 24 hours from collection. Data were collected in 2022-2024 in two farms in Latvia, in two winter wheat fields in each farm. Treatments 1-6 included glyphosate application in stubble before winter wheat sowing (540 g a. i. ha -1 ) 1, 7no selective herbicides2, 8 Flufenacet, 140 g a.i. ha -1 + diflufenican, 140 g a.i. ha -1 Pyroxsulam, 11.328 g a.i. ha -1 + florasulam, 2.384 g a.i. ha-1 Surfactant Dassoil, 0.5 L ha -1 3, 9 Flufenacet, 140 g a.i. ha-1 + diflufenican, 140 g a.i. ha-1 Methyl-halauxifen, 4.69 g a.i. ha-1 + florasulam, 3.75 g a.i. ha -1 4,10 Flufenacet, 140 g a.i. ha -1 + diflufenican, 140 g a.i. ha -1 5,11 Methyl-halauxifen, 6.254 g a.i. ha -1 + florasulam, 5.0 g a.i. ha -1 6, 12 Pyroxsulam, 11.328 g a.i. ha -1 + florasulam, 2.384 g a.i. ha -1 Surfactant Dassoil, 0.5 L ha -1 A separate table contains the data on grain yield (at 14% moisture content) for each treatment (4 replicates) Data was acquired in the project "Sustainable plant protection system – analysis of the current situation, challenges and future solutions" funded by the Ministry of Agriculture of the Republic of Latvia (project leader Dr Viktorija Zagorska). Corresponding author Dr Jevgenija Necajeva. Contact e-mail: [e-mail]