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Growing competitive sorghum and mungbean crops to suppress summer weeds

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Widderick, M., McKiernan, A. B., Harvey, G. L., 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
Live Archive:22 Sep 2020 05:02
Last Modified:27 Jul 2023 01:48

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