Broad spectrum weed control is essential for successful lesquerella [Lesquerella fendleri (Gray) Wats., Brassicaceae] production. Weeds must be controlled during establishment and throughout the growing season. Lesquerella seedlings grow slowly following germination and emergence, and cannot compete well with most broadleaf and grass weeds. Weed competition is particularly critical prior to clo...

The naming of a word (e.g., CAVE) is delayed if participants first name a formally similar, but nonrhyming, prime (e.g., HAVE). Taraban and McClelland (1987) interpreted this effect in terms of competition between activated phonological codes, while Bradshaw and Nettleton (1974) argued that these interference effects are due to conflicting output codes and only arise when primes are named. Expe...

The study aimed to determine the interference periods of weeds in cassava ‘IAC 90’ cultivated different cycles and cropping systems. An experiment was conducted period 2014/15 (1st cycle) another from pruning plants 2015/16 (2nd cycle). experimental design a randomized block with split-split plots four replicates. represented systems (conventional no-tillage) corresponded without coexistence (0...

this research was investigated to evaluate growth indices and competitive ability of two wheat ) triticum aestivum l. (cultivars in interference with two species of narrow and broad leaf weeds as two separated experiments based on a randomized complete block design with three replications at agricultural faculty of bu-ali sina university, during 2008-2009. in both experiments, alvand and sayson...