TAILIEUCHUNG - The effect of mesotrione applied with adjuvants on weed control efficacy and forage sorghum tolerance

Field experiments were conducted over 2 years to determine the influence of timing, rate, and method of application of mesotrione on weed control, forage sorghum injury, and fresh weight biomass | Turkish Journal of Agriculture and Forestry Research Article Turk J Agric For (2013) 37: 265-270 © TÜBİTAK doi: The effect of mesotrione applied with adjuvants on weed control efficacy and forage sorghum tolerance Robert IDZIAK*, Witold SKRZYPCZAK, Hubert WALIGORA, Zenon WOZNICA Faculty of Agronomy and Bioengineering, Poznan University of Life Sciences, 60-632 Poznan, Poland Received: Accepted: Published Online: Printed: Abstract: Field experiments were conducted over 2 years to determine the influence of timing, rate, and method of application of mesotrione on weed control, forage sorghum injury, and fresh weight biomass. Sucrosorgo 506 sorghum was treated with 120 and 80 g ha–1 of mesotrione with petroleum oil (PO) or methylated seed oil (MSO) plus 28% N urea-ammonium nitrate liquid fertilizer (UAN). Mesotrione was applied once between the 4- and 6-leaf stages of sorghum or split and applied between the 2- and 3-leaf and the 6- and 7-leaf stages in 2 equal applications, with or without adjuvants. Mesotrione at 120 g ha–1 effectively controlled all weed species, except Geranium pusillum. At 80 g ha–1 it effectively controlled Chenopodium album, Polygonum convolvulus, and Polygonum aviculare, and at the 80 g ha–1 split application (40 + 40 g ha–1) it effectively controlled P. convolvulus and P. aviculare. Both PO and MSO, added to the spray liquid containing mesotrione at 80 g ha–1, made it possible to effectively eliminate weeds; a split application with PO effectively reduced the occurrence of C. album, Brassica napus, Thlaspi arvense, P. convolvulus, and P. aviculare, and application with MSO reduced the occurrence of C. album, P. convolvulus, and P. aviculare. Mesotrione at 120 and 80 g ha–1 as a single application and at an 80 g ha–1 split application did not cause injury to sorghum plants. The addition of PO or MSO adjuvant to 80 g ha–1 of .

• Nông nghiệp
• Forage sorghum
• Reduced rate
• Petroleum oil
• Methylated seed oil
• N urea ammonium nitrate
• Forage sorghum injury
• Correlation and genetic parameters
• Genetic parameters
• Variability studies in forage sorghum
• Character association
• Spacing and fertility levels
• Sorghum bicolor
• Sorghum bicolor L Moench
• Multi cut forage sorghum
• Morphological and quality traits
• Analysis of variance
• Various forage sorghum genotypes
• Genotypes (Sorghum bicolor L Moench)
• Variation in morphological
• Biochemical characters
• Combining ability
• Combining ability studies
• Sorghum bicolour L Moench
• Yield and quality parameters
• Emergence time
• Emergence index
• Seedling establishment and seed priming
• Naturally aged seed of forage sorghum
• Varietal characterization
• Quality parameters
• Single plant yield morphological characterization
• Forage yield
• Fodder quality
• Genetic diversity
• Forage standards
• Different sorghum cultivars
• Green forage yield
• Harvest index
• Sudan grass
• Potassium nutrition
• Yield components