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Wheat Yield Loss in a Two Species Competition with Emex australis and Emex spinosa Planta Daninha
Emex australis and E. spinosa are significant weed species in wheat and other crops. Information on the extent of competition of the Emex species will be helpful to access yield losses in wheat. Field experiments were conducted to quantify the interference of tested weed densities each as single or mixture of both at 1:1 on their growth and yield, wheat yield components and wheat grain yield losses in two consecutive years. Dry weight of both weed species increased from 3-6 g m-2 with every additional plant of weed, whereas seed number and weight per plant decreased with increasing density of either weed. Both weed species caused considerable decrease in yield components like spike bearing tillers, number of grains per spike, 1000-grain weight of wheat...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Triticum aestivum; Yield loss; Weed competition; Emex australis; Emex spinosa.
Ano: 2016 URL:
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