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Growing competitive sorghum and mungbean crops to suppress summer weeds

Widderick, M., McKiernan, A. B., Harvey, G., Heuke, L., Walsh, M. J. and Shabbir, A. (2020) Growing competitive sorghum and mungbean crops to suppress summer weeds. GRDC Update .

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Abstract

Take home message
• Feathertop Rhodes grass (FTR) and awnless barnyard grass (ABG) are both difficult to control summer grass weeds with both species prone to herbicide resistance evolution
• Growing a competitive sorghum or mungbean crop can reduce growth and seed production of FTR and ABG
• ABG is more susceptible to the impacts of crop competition than FTR
• Sorghum competitiveness can be increased by growing the crop at a narrow row spacing (50 cm) and increased density (10 to 15 plants/m2)
• Mungbean competitiveness is most effectively increased through the use of narrow row spacing (25 and 50 cm)
• Consider growing a competitive summer crop to take pressure off relying solely on in-crop herbicides for summer grass control.

Item Type:Article
Business groups:Crop and Food Science
Keywords:crop competition, sorghum, mungbean, feathertop Rhodes grass, awnless barnyard grass
Subjects:Agriculture > Agriculture (General) > Methods and systems of culture. Cropping systems
Plant culture > Food crops
Plant culture > Field crops > Grain. Cereals
Plant culture > Field crops > Sorghum
Plant pests and diseases
Plant pests and diseases > Weeds, parasitic plants etc
Deposited On:22 Sep 2020 05:02
Last Modified:22 Sep 2020 05:02

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