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Xanthium Strumarium L. Impact On Corn Yield And Yield Components, Zahid Hussain, Khan Bahadar Marwat, John Cardina, Ijaz Ahmad Khan
Xanthium Strumarium L. Impact On Corn Yield And Yield Components, Zahid Hussain, Khan Bahadar Marwat, John Cardina, Ijaz Ahmad Khan
Turkish Journal of Agriculture and Forestry
Xanthium strumarium L. is a major weed affecting flour corn in Khyber Pakhtunkhwa Province of Pakistan. Studies conducted in 2006 and 2007 evaluated corn yield and yield component responses to competition from X. strumarium over a range of corn populations (5, 7.5, 10, and 12.5 plants m^{-2}) and X. strumarium densities (0, 2, 4, 6, 8, 10, and 12 plants m^{-2}). Flour corn yield and yield components (grains ear^{-1}, 1000-grain weight, harvest index, and days to silking) were significantly correlated with and affected by corn population, weed density, and the interaction between them. The percent reduction in grain yield was …