2007
DOI: 10.1111/j.1365-3180.2007.00578.x
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Tumbleweeds in the Western Australian cropping system: seed dispersal characteristics of Salsola australis

Abstract: Summary Salsola australis, like other agricultural weed species of the Salsola genus, produces a mobile seedbank. Aspects of this mobile seedbank were investigated in three field trials, including total seed production, rate of seed shedding, rate at which seeds lose germinability and the distance and directionality of plant movement. Total seed production was highly variable (ranging from 138 to 7734 seeds per plant), but was directly related to aboveground plant biomass at maturity. Following senescence, ma… Show more

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Cited by 19 publications
(36 citation statements)
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“…Plants about 0.5 m tall can produce about 1500-2000 seeds, and large plants can produce over 100,000 seeds (Evans and Young, 1972). Because seed production is related to plant size, reducing plant size reduces the potential number of seeds produced per plant (Borger et al, 2007). Tumbleweeds blown by wind disperse seed over distances as far as several kilometers; however, smaller plants do not disperse as well as larger plants (Stallings et al, 1995;Baker et al, 2008).…”
Section: Resultsmentioning
confidence: 99%
“…Plants about 0.5 m tall can produce about 1500-2000 seeds, and large plants can produce over 100,000 seeds (Evans and Young, 1972). Because seed production is related to plant size, reducing plant size reduces the potential number of seeds produced per plant (Borger et al, 2007). Tumbleweeds blown by wind disperse seed over distances as far as several kilometers; however, smaller plants do not disperse as well as larger plants (Stallings et al, 1995;Baker et al, 2008).…”
Section: Resultsmentioning
confidence: 99%
“…Replicated analysis of variance (ANOVA) designs are typical in ecological studies when testing multiple levels of a treatment factor, yet this is difficult in largescale forest research programs. Defining the relationship between tree productivity and several levels of a resource amendment treatment factor is effectively accomplished using non-replicated regression approaches (Borger et al, 2007;Matsuzaki et al, 2009). The regression approach is more powerful and resource efficient than ANOVA designs and is especially well suited for identifying the optimum among a range of treatment levels (Cottingham et al, 2005).…”
Section: Introductionmentioning
confidence: 99%
“…Herbicide resistance is also considered a ''wicked problem'' by social scientists (Ervin and Jussaume 2014). A fundamental reason herbicide resistance is a ''wicked problem'' is the mobility of weeds, and resistance traits, so the problem is not confined to one grower's property (Beckie et al 2015;Borger et al 2007;Dauer et al 2006;Diggle and Neve 2001;Norsworthy et al 2009;Shaner and Beckie 2014;Shields et al 2006;Sosnoskie et al 2012). As such, it has no single solution and is, essentially, unsolvable because the threat of resistance evolving remains while herbicides are being used to manage weeds.…”
mentioning
confidence: 99%
“…Thus, even though we contend that herbicide resistance is a wicked problem, we propose that a people-centered approach that combines a community-based component within a supportive framework offers the best chances for progress. A community-based and community-wide approach to managing herbicide resistance is necessary because of the real and perceived mobility of resistant weeds (Borger et al 2007;Dauer et al 2006;Diggle and Neve 2001;Norsworthy et al 2009;Shields et al 2006;Sosnoskie et al 2012). Because of this, both weed and social scientists are acknowledging common pool problems and the need for regional approaches for herbicide resistance management (Beckie et al 2015;Ervin and Jussaume 2014;Shaner and Beckie 2014).…”
mentioning
confidence: 99%