Comparative seed predation of woolly cupgrass (Eriochloa villosa) and yellow foxtail (Setaria pumila) along a field border in Canada

2013 ◽  
Vol 13 (4) ◽  
pp. 121-128 ◽  
Author(s):  
Marie-Josée Simard ◽  
Stephen J. Darbyshire ◽  
Robert E. Nurse
Keyword(s):  
Seed Predation ◽  
Woolly Cupgrass ◽  
Eriochloa Villosa

scholarly journals Occurrence of woolly cupgrass (Eriochloa villosa /Thunb./ Kunth) in Hajdú-Bihar county, Hungary

2011 ◽  
pp. 119-123
Author(s):  
Noémi Somogyi ◽  
László Szabó ◽  
István Dávid
Keyword(s):  
Weed Management ◽  
Plant Protection ◽  
Deep Layer ◽  
Ground Cover ◽  
Annual Grass ◽  
Weed Species ◽  
Maize Field ◽  
Woolly Cupgrass ◽  
Infected Area ◽  
Eriochloa Villosa

Woolly cupgrass (Eriochloa villosa /Thunb./ Kunth) is native to East Asia, it spreads in several parts of the World and causes difficulties in plant protection, especially in maize. Difficulties in control of Eriochloa villosa originated from several reasons: seeds continue to germinate later in the season, significant part of seeds emerges from a deep layer of the soil, and the species is less susceptible to some herbicides applied to maize than other annual grass weeds.The first report on the occurrence of woolly cupgrass in Hungary was published in 2008, and it reported about the appearance of this species near to Gesztely village (Borsod-Abaúj-Zemplén county), however, no information has been added about spread of the weed in Hungary until now.A significant population was discovered next to Debrecen (Hajdú-Bihar county) in summer, 2011, and then weed associations were examined in maize, sunflower and stubble-fields on several km2 in the area to estimate the Eriochloa villosa infection. The weed species was found on every maize field bordering with a ground cover of 0.5-4%. Woolly cupgrass occurred inside of the 50% of maize fields, and reached a ground cover of 76% in case of most infected area, in addition it was found in sunflower and stubble-fields.The spread of woolly cupgrass is expected in this area, which requires the consideration of this species in the planning of weed management technologies.

Carbamothioate and Chloroacetamide Herbicides for Woolly Cupgrass (Eriochloa villosa) Control in Corn (Zea mays)

1991 ◽  
Vol 5 (2) ◽  
pp. 331-336 ◽  
Author(s):  
Joseph F. Schuh ◽  
R. Gordon Harvey
Keyword(s):  
Zea Mays ◽  
Field Experiments ◽  
Weather Conditions ◽  
Early Season ◽  
Application Timing ◽  
Late Season ◽  
Adverse Weather Conditions ◽  
Adverse Weather ◽  
Woolly Cupgrass ◽  
Eriochloa Villosa

Field experiments were conducted to compare herbicides applied preplant incorporated (PPI), preplant incorporated/preemergence (PPI/PRE), and preplant incorporated/early postemergence (PPI/early POST) to control woolly cupgrass in corn. Although good early-season control of woolly cupgrass from PPI cycloate plus cyanazine, EPTC plus dietholate or SC-0058, and butylate plus cyanazine sometimes was observed, middle- and/or late-season control was often limited. Generally, better woolly cupgrass control and higher corn yields were obtained from split PPI/PRE applications rather than from single PPI applications of alachlor, metolachlor, and acetochlor. The highest and most consistent full-season woolly cupgrass control resulted when cycloate or EPTC plus dietholate applied PPI was followed by cyanazine plus either pendimethalin, alachlor, metolachlor, or acetochlor applied early POST. However, in 1989 adverse weather conditions near the early POST application timing injured corn and reduced yields.

scholarly journals New occurence of woolly cupgrass (Eriochloa villosa [Thunb.] Kunth) in Hajdúság area, East-Hungary

2017 ◽  
pp. 51-54
Author(s):  
Arnold Szilágyi ◽  
Tamás Tóth ◽  
László Radócz
Keyword(s):  
Global Warming ◽  
East Asia ◽  
Plant Protection ◽  
Invasive Weeds ◽  
Invasive Weed ◽  
Invasion Potential ◽  
The World ◽  
Woolly Cupgrass ◽  
Eriochloa Villosa

Because of the globalization and global warming the emergence of invasive weeds in Hungary are more common. The woolly cupgrass (Eriochloa villosa [Thunb.] Kunth) is published as an important invasive weed in Hungary. Woolly cupgrass is native in East Asia and it spreads into several parts of the World and causes difficulties in plant protection. It has been spreading extensively during the last few years,as the weed shows a very serious invasion potential.

scholarly journals Allelopathic effects of water extracts of pieces of wooly cupgrass (Eriochloa villosa) on the seedlings of field crops

2017 ◽  
pp. 167-170
Author(s):  
Arnold Szilágyi ◽  
László Radócz
Keyword(s):  
Plant Species ◽  
Initial Growth ◽  
Row Crops ◽  
Water Extracts ◽  
Field Crops ◽  
Fast Spreading ◽  
Woolly Cupgrass ◽  
Allelopathic Effects ◽  
Eriochloa Villosa

In Hungary, the woolly cupgrass (Eriochloa villosa [Thunb.] Kunth) endanger row crops (i.e. corn, sunflower). Its fast spreading based on some reason viz. long-lasting emergence, reduced sensitivity to many kinds of herbicides, vigorous competitional ability and fast initial growth. Allelopathy, ability of many plant species to produce one or more biochemicals wgich is used tocompete with each others. In this experiment we examined, whether the woolly cupgrass possesses allelopathy, and if so, how influences on the development of cultured crops like maize, sunflower and lettuce.

Woolly Cupgrass (Eriochloa villosa) Control in Corn (Zea mays) with Chloroacetamide Herbicides

1993 ◽  
Vol 7 (4) ◽  
pp. 925-929 ◽  
Author(s):  
Michael D. K. Owen ◽  
Robert G. Hartzler ◽  
James Lux
Keyword(s):  
Zea Mays ◽  
Woolly Cupgrass ◽  
Application Techniques ◽  
Eriochloa Villosa

Woolly cupgrass control with acetochlor, alachlor, and metolachlor in corn was evaluated at Stratford, IA from 1985 through 1990. Averaged over application techniques, acetochlor at 3.4 kg/ha controlled more than 85% of woolly cupgrass five out of six years, whereas alachlor at 4.5 kg/ha and metolachlor at 3.4 kg/ha controlled more than 85% of this weed one and two years out of six, respectively. Herbicide incorporation did not consistently improve woolly cupgrass control. PRE applications were more effective than incorporated treatments in years with greater than 7 mm rainfall occurring within 3 d after application.

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