Seed Germination Syndromes in Higher Plants

Angevine, Mark W.; Chabot, Brian F.

doi:10.1007/978-1-349-04627-0_9

Cited by 168 publications

(100 citation statements)

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“…More rapid germination of cheatgrass is also only one component of a competitive syndrome that includes rapid root and shoot growth (Hull 1963;Harris 1967;Harris 1977;Link et al 1990;Svejcar 1990;Aguirre and Johnson 1991;Nasri and Doescher 1995;, high seed production (Young et al 1969;Humphrey and Schupp 2001;Hempy-Mayer and Pyke 2008), resource exclusion through efficient water utilization, especially in the upper soil layers (Evans et al 1970;Cline et al 1977;Melgoza et al 1990;Booth et al 2003a;Humphrey and Schupp 2004), alteration of the fire cycle (Whisenant 1990;Knapp 1996), and changes in nitrogen dynamics (Evans et al 2001;Booth et al 2003b;Rimer and Evans 2006). We believe, however, that this modeling approach yields a much higher level of ecologically relevant information than previous methods, and that this information could be used to identify relevant germination syndromes (Angevine and Chabot 1979;Humphrey and Schupp 1999) rather than merely ranking relative species response.…”

Section: Discussionmentioning

confidence: 98%

A comparison of cumulative-germination response of cheatgrass (Bromus tectorum L.) and five perennial bunchgrass species to simulated field-temperature regimes

Hardegree

Moffet

Roundy

et al. 2010

Environmental and Experimental Botany

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Section: Discussionmentioning

confidence: 98%

A comparison of cumulative-germination response of cheatgrass (Bromus tectorum L.) and five perennial bunchgrass species to simulated field-temperature regimes

Hardegree

Moffet

Roundy

et al. 2010

Environmental and Experimental Botany

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“…The response pattern of seed germination is also regarded as a key characteristic in plant life history strategy (Angevine and Chabot, 1979;Mayer and Poljakoff-Mayber, 1989). Seed germination can be regulated not only through genotypic characteristics (Gutterman, 1993), but also by environmental conditions, being soil temperature the most important environmental factor controlling seed germination (Beardsell and Richards, 1987).…”

Section: Introductionmentioning

confidence: 99%

Germination capacity and temperature dependence in Mediterranean species of the Balearic Islands

2006

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To test the germination capacity and its temperature dependence in Mediterranean plants, sixteen species representative of a diversity of habitats of the Balearic Islands were selected. The percentage of germination, the half-response time and the dormancy period of these species were studied at three alternating temperatures: 5-15°C, 10-20°C and 15-25°C. Large differences were found among species in all three parameters studied. The influences of the temperature incubation in germination behaviour depended strongly on species, although the optimum temperature range to reach maximum germination was found to be 10-20°C for most species. Although part of the endemic flora of the Balearic Islands currently has a limited and regressive distribution, no clear pattern was observed when comparing endemic and non-endemic species. In fact, some of the endemics presented unfavourable characters, particularly a relatively high temperature independence of their germination pattern.Key words: Balearic Islands, endemicity, germination, Mediterranean, temperature. Resumen Capacidad de germinación e influencia de la temperatura en la germinación de especies mediterráneas de las Illes BalearsCon el objeto de determinar la capacidad germinativa y su dependencia de la temperatura en especies mediterráneas, se seleccionaron 16 especies representativas de la diversidad de hábitats de las Illes Balears. En ellas se estudió el porcentaje de germinación, el tiempo de respuesta medio y el período de dormancia bajo tres rangos de temperatura: 5-15°C, 10-20°C y 15-25°C. En dichos parámetros se encontraron importantes diferencias entre especies bajo cualquiera de los tres rangos de temperatura de incubación. La influencia de la temperatura de incubación sobre el comportamiento germinativo mostró una fuerte dependencia del factor especie, si bien el rango de incubación óptimo resultó 10-20°C para la mayoría de las especies. Aunque se ha descrito que parte de la flora endémica de las Illes Balears presenta una distribución reducida y en clara regresión, no parece ser que dicho fenómeno sea debido a diferencias en la capacidad de germinación entre estas especies y sus correlativas de amplia distribución.

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“…Such changes could result from changes in the time of year that certain environmental thresholds are crossed. For example, because temperatures play a large role in timing of germination (Angevine and Chabot, 1979;Probert, 2000), lower overall temperatures could truncate the amount of the year that C 4 plants are capable of growing, shortening the C 4 season relative to the C 3 season.…”

Section: Modeling Variations In Vegetation Seasonalitymentioning

confidence: 99%

“…However, it has been suggested that, in the mid-continent, the YD was characterized by greater temperature seasonality as a result of increased summer advection of warm air masses from the Caribbean (Schiller et al, 1997;Yu and Wright, 2001;Shuman et al, 2002). Because temperature is an important environmental cue for plant life stages (Angevine and Chabot, 1979;Probert, 2000;Volaire and Norton, 2006;Rohde and Bhalerao, 2007), increased seasonality of temperature could result in greater annual extremes in C 3 /C 4 vegetation on the landscape, resulting in a greater seasonal range of C 3 /C 4 vegetation consumed by leporids.…”

Section: Younger Dryas Variability and Medianmentioning

confidence: 99%