The biology of Canadian weeds. 127. <i>Panicum capillare</i> L.

Clements, David R.; DiTommaso, Antonio; Cavers, Paul B.; Sartonov, Alison D.

doi:10.4141/p02-147

Cited by 15 publications

(13 citation statements)

References 70 publications

(85 reference statements)

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“…d No information available d Low: no yield or other economic losses are reported, the species is mainly reported as 'accidental': the presence of the species is sporadic and generally only a few individuals are found in the crop. (Holec et al, 2002;Clements et al, 2004), and Sicyos angulatus (Shimizu, 1999;Smeda & Weller, 2001) in maize; Eichhornia crassipes blocks waterways and irrigation channels (Gopal, 1987). Coronopus didymus is a small creeping species, which usually has a scattered distribution and a low competitiveness in most crops, even when the species forms dense populations.…”

Section: Assessment Of Spread and Impactsmentioning

confidence: 99%

“…Solanum elaeagnifolium in orchards or potato fields (Mekki, 2007), Sorghum halepense in sorghum, sunflower or maize (Pal, 2004), Panicum spp. (Holec et al, 2002;Clements et al, 2004), and Sicyos angulatus (Shimizu, 1999;Smeda & Weller, 2001) in maize; Eichhornia crassipes blocks waterways and irrigation channels (Gopal, 1987). Prunus serotina causes yield reduction and increases control costs in forestry and impedes the natural rejuvenation of forest trees (Starfinger et al, 2003;Decocq, 2007).…”

Section: Assessment Of Spread and Impactsmentioning

confidence: 99%

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The EPPO prioritization process for invasive alien plants

Brunel¹,

Branquart²,

Fried

et al. 2010

EPPO Bulletin

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Although invasive alien plants are gaining increased attention within EPPO countries, there is no existing widely agreed method to identify those alien plants that are considered invasive and represent the highest priority for pest risk analysis. In the framework of the ad hoc Panel on Invasive Alien Species, EPPO proposes a prioritization process for invasive alien plants designed (i) to produce a list of invasive alien plants that are established or could potentially establish in the EPPO region and (ii) to determine which of these have the highest priority for an EPPO pest risk analysis. The process consists of compiling available information on alien plants according to pre‐determined criteria, and can be run at the EPPO region level, or at a country or local area level. These criteria examine whether the species is alien in the area under study, and whether it is established or not. The criteria used primarily rely on observations in the EPPO region but, if the species is not established, the invasive behaviour of the species in other countries should be investigated, as well as the suitability of the ecoclimatic conditions in the area under consideration. The spread potential, the potential negative impacts on native species, habitats and ecosystems, as well as on agriculture, horticulture or forestry are considered. If the species qualifies as an invasive alien plant of major concern through this first set of questions, the process then investigates the efficiency of international measures (to be justified through a pest risk analysis) to prevent the entry and spread of the species. The second set of questions are designed to determine whether the species is internationally traded or enters new countries through international pathways for which the risk of introduction is superior to natural spread, and whether the species still has a significant suitable area for further spread. If used by several EPPO countries, this prioritization process represents an opportunity to provide consistent country lists of invasive alien plant species, as well as a tool for dialogue and exchange of information.

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Section: Assessment Of Spread and Impactsmentioning

confidence: 99%

Section: Assessment Of Spread and Impactsmentioning

confidence: 99%

The EPPO prioritization process for invasive alien plants

Brunel¹,

Branquart²,

Fried

et al. 2010

EPPO Bulletin

View full text Add to dashboard Cite

show abstract

“…Abovementioned Panicum species are highly competitive and prolific weeds in cereal grains and need to be controlled soon after emergence to prevent yield loss (Baker & Terry 1991, Clements et al 2004. Indeed, despite being relatively late emerging species, they grow fast and tiller profusely (Vengris & Damon 1976).…”

Section: Introductionmentioning

confidence: 99%

Differential sensitivity of locally naturalized Panicum species to HPPD- and ALS-inhibiting herbicides

et al. 2014

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Panicum schinzii (Transvaal millet), P. dichotomiflorum (Fall panicum) and P. capillare (Witchgrass) are alien panicoid grasses that have gradually spread and are now locally naturalized in corn fields in Belgium. One of the possible reasons for their expansion in corn fields might be a lower sensitivity to post-emergence herbicides acting against panicoid grasses, in particular those inhibiting 4-hydroxyphenyl pyruvate dioxygenase (HPPD) and acetolactate synthase (ALS). Dose-response pot experiments were conducted in the greenhouse to evaluate the effectiveness of five HP-PD-inhibiting herbicides (sulcotrione, mesotrione, isoxaflutole, topramezone, tembotrione) and two ALS-inhibiting herbicides (nicosulfuron, foramsulfuron) for controlling populations of P. schinzii, P. dichotomiflorum and P. capillare (all naturalized Belgian populations except for P. capillare). In another dose-response pot experiment, sensitivity of five local P. dichotomiflorum populations to HPPD-inhibitors and nicosulfuron was investigated. Finally, the influence of growth stage at time of herbicide application on efficacy of topramezone and nicosulfuron for Panicum control was evaluated. Large interspecific differences in sensitivity to HPPD-inhibiting herbicides were observed. Panicum schinzii was sensitive to tembotrione but moderately sensitive to topramezone and poorly sensitive to mesotrione and sulcotrione. However, P. dichotomiflorum was sensitive to mesotrione and topramezone but moderately sensitive to tembotrione. All Panicum species were sensitive to low doses of nicosulfuron and foramsulfuron. Naturalized P. dichotomiflorum populations exhibited differential herbicide sensitivity profiles. All species tested showed a progressive decrease in sensitivity to topramezone and nicosulfuron with seedling age. A satisfactory post-emergence control of Panicum species in the field will require appropriate choice of herbicide and dose, as well as a more timely application (i.e. before weeds reach the four leaves stage).

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“…brevifolium Rydb. & Shear (McGregor 1984, Clements et al 2004. Aparece en terrenos algo ruderalizados, y es la segunda especie del género que se localiza en la provincia, después de Panicum miliaceum L. (Lázaro-Bello 2008).…”

Section: Panicum Capillare Lunclassified

Agrostological novelties in Valladolid province (Spain)

Lázaro-Bello

2020

An Biol

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Se aportan datos corológicos de nueve especies de plantas vasculares, incluidas en la familia Gramineae, presentes en la provincia de Valladolid (España). De ellas, cinco son primeras citas provinciales: Bromus lanceolatus Roth, Koeleria crassipes Lange, Lamarckia aurea (L.) Moench, Panicum capillare L. y Paspalum dilatatum Poir. Además, se muestran algunos registros fotográficos. Chorological data of nine species of vascular plants included in the Gramineae family and present in Valladolid province (Spain) are provided. Among them, we must highlight Bromus lanceolatus Roth, Koeleria crassipes Lange, Lamarckia aurea (L.) Moench, Panicum capillare L. and Paspalum dilatatum Poir., for they are new records in the province. Besides, photographic records are shown.

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The biology of Canadian weeds. 127. Panicum capillare L.

Cited by 15 publications

References 70 publications

The EPPO prioritization process for invasive alien plants

The EPPO prioritization process for invasive alien plants

Differential sensitivity of locally naturalized Panicum species to HPPD- and ALS-inhibiting herbicides

Agrostological novelties in Valladolid province (Spain)

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