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The depletion of weed seeds in the soil seed bank

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Brooks, S. J., Brazier, D. A., Warren, C. and Campbell, S. D. (2023) The depletion of weed seeds in the soil seed bank. In: 2nd Pest Animal and Weed Symposium, 28-31 August 2023, Dalby, Australia.

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Article Link: https://icebergevents.eventsair.com/paws2023/proce...


SThe fate of weed seeds in the soil seed bank depends on the processes of emigration, desiccation, predation, and germination. We summarise an ongoing trial on multiple tropical weed species that investigates the emergence of seedlings (successful germination) at a field research site. Intact fruiting structures were placed enclosed in wire mesh cages, on two different soil surfaces and with two different ground covers, and the emergence of seedlings was regularly recorded. By understanding the processes determining the fate of seed, practitioners can plan the duration and timing of control activities. Emergence is still being recorded from most of the seed lots, and the trial demonstrates the persistence that follows a large single reproductive episode.

Item Type:Conference or Workshop Item (Paper)
Corporate Creators:Department of Agriculture and Fisheries, Queensland
Business groups:Biosecurity Queensland
Keywords:tropical, seed bank, persistence, depletion
Subjects:Science > Invasive Species > Plants > Weed ecology
Plant pests and diseases > Weeds, parasitic plants etc
Live Archive:13 Mar 2024 03:04
Last Modified:19 Jun 2024 01:21

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