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Germination ecology of four African mustard (Brassica tournefortii Gouan) populations in the eastern region of Australia

Published online by Cambridge University Press:  19 April 2021

Sohraab Singh ,
Gulshan Mahajan Open the ORCID record for Gulshan Mahajan [Opens in a new window] ,
Rajandeep Singh  and
Bhagirath S. Chauhan
Sohraab Singh
Affiliation:
Former Research Scholar, University of Queensland, Gatton, Queensland, Australia
Gulshan Mahajan*
Affiliation:
Research Fellow, Centre for Crop Science, Queensland Alliance for Agriculture and Food Innovation (QAAFI), University of Queensland, Gatton, Queensland, Australia; Principal Agronomist, Punjab Agricultural University, Ludhiana, Punjab, India
Rajandeep Singh
Affiliation:
Former Research Scholar, University of Queensland, Gatton, Queensland, Australia
Bhagirath S. Chauhan
Affiliation:
Professor, Centre for Crop Science, Queensland Alliance for Agriculture and Food Innovation (QAAFI) and School of Agriculture and Food Sciences (SAFS), University of Queensland, Gatton, Queensland, Australia
*
Author for correspondence: Gulshan Mahajan, Centre for Crop Science, Queensland Alliance for Agriculture and Food Innovation (QAAFI), University of Queensland, Gatton, QLD 4343, Australia. (Email: g.mahajan@uq.edu.au)
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Abstract

African mustard (Brassica tournefortii Gouan) is a problematic winter annual weed in Australia. Germination ecology of B. tournefortii may change in response to the maternal environments or habitats in which the plants grow. A study was conducted to evaluate the effect of environmental factors on germination and emergence of four populations of B. tournefortii that were collected from different fields. Averaged over populations, germination was stimulated by dark and was higher at 25/15 C (92%) compared with 15/5 C (76%) and 35/25 C (45%). Averaged over light/dark regimes, at the lowest temperature regime (15/5 C), population A had higher germination than population D; however, at the highest temperature regime (35/25 C), population D had higher germination than population A. Populations B and C had higher germination in the temperature range of 25/15 C and 30/20 C compared with 15/5 C, 20/10 C, and 35/25 C. Seeds germinated at a wide range of alternating day/night temperatures (15/5 to 35/25 C), suggesting that seeds can germinate throughout the year if other optimum conditions are available. Population A was more tolerant to water and salt stress than population D. The sodium chloride concentration and osmotic potential required to inhibit 50% germination of population A were 68 mM and −0.60 MPa, respectively. Averaged over populations, seeds placed at 1-cm soil depth had the highest emergence (54%), and burial depth of 8 cm resulted in 28% seedling emergence. Averaged over populations, wheat residue retention at 6,000 kg ha−1 resulted in greater seedling emergence than the residue amount of 1,000 kg ha−1. The results suggest that B. tournefortii will be favored in no-till systems and that the seedbank of B. tournefortii could be managed by tillage regimes that bury its seeds below 8-cm depths and restrict seedling emergence and growth of new plants.

Keywords

Crop residueemergencelightosmotic potentialsalt stresstemperature

Information

Type
Research Article
Information
Weed Science , Volume 69 , Issue 4 , July 2021 , pp. 461 - 467
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Copyright
© Weed Science Society of America, 2021

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Footnotes

Associate Editor: Nathan S. Boyd, Gulf Coast Research and Education Center

References

Abrol, IP, Yadav, JSP, Massoud, FI (1988) Salt-affected Soils and Their Management. FAO Soils Bulletin 39. Rome: Food and Agriculture Organization of the United Nations. Pp 1–93Google Scholar
[AOF] Australian Oilseeds Federation (2015) New South Wales, Australia: Brassica Weeds. http://www.australianoilseeds.com. Accessed: April 15, 2020Google Scholar
Bangle, DN, Walker, LR, Powell, EA (2008) Seed germination of the invasive plant Brassica tournefortii (Sahara mustard) in the Mojave Desert. West N Am Nat 68:334–342 CrossRefGoogle Scholar
Baskin, CC, Baskin, JM (1998) Seeds: Ecology, Biogeography, and Evolution of Dormancy and Germination. San Diego: Academic Press. 666 p Google Scholar
Baskin, CC, Milberg, P, Andersson, L, Baskin, JM (2004) Germination ecology of seeds of the annual weeds Capsella bursa-pastoris and Descurainia sophia originating from high northern latitudes. Weed Res 44:60–68 CrossRefGoogle Scholar
Benvenuti, S, Macchia, M, Miele, S (2001) Quantitative analysis of emergence of seedlings from buried weed seeds with increasing soil depth. Weed Sci 49:528–535 CrossRefGoogle Scholar
[CABI] Centre for Agriculture and Biosciences International (2019) Invasive Species Compendium: Detailed Coverage of Invasive Species Threatening Livelihoods and the Environment Worldwide. https://www.cabi.org/isc/datasheet/50069. Accessed: April 15, 2020Google Scholar
Chachalis, D, Reddy, KN (2000) Factors affecting Campsis radicans seed germination and seedling emergence. Weed Sci 48:212–216 CrossRefGoogle Scholar
Chauhan, BS, Gill, G, Preston, C (2006) African mustard (Brassica tournefortii) germination in Southern Australian weed. Weed Sci 54:891–897 CrossRefGoogle Scholar
Chauhan, BS, Johnson, DE (2010) The role of seed ecology in improving weed management strategies in the tropics. Adv Agron 105:221–262 CrossRefGoogle Scholar
Cheam, AH, Code, GR (1995) The biology of Australian weeds. 24. Raphanus raphanistrum L. Plant Prot Q 10:2–13Google Scholar
Cheema, Z., Mushtaq, MN, Farooq, M, Hussain, A, Islamud-Din, S (2009) Purple nutsedge management with allelopathic sorghum. Allelopathy J 23:305–312 Google Scholar
Cousens, R, Armas, G, Baweja, R (1994) Germination of Rapistrum rugosun (L.) All. from South Wales, Australia. Weed Res 34:127–135 CrossRefGoogle Scholar
Dalal, RC, Weston, EJ, Strong, WM, Probert, ME, Lehane, KJ, Cooper, JE, et al. (2004) Sustaining productivity of a vertosol at Warra, Queensland, with fertilisers, no-tillage or legumes. Effect of duration of lucerne ley on soil nitrogen and water, wheat yield and protein. Aust J Exp Agric 44:1013–1024 CrossRefGoogle Scholar
Facelli, JM, Pickett, STA (1991) Plant litter: its dynamics and effects on plant community structure. Bot Rev 57:1–32 CrossRefGoogle Scholar
[GRDC] Grains Research and Development Corporation, Canberra, ACT (2019) Profile of Common Weeds of Cropping. Integrated Weed Management in Australian Cropping Systems. https://grdc.com.au/__data/assets/pdf_file/0029/47873/Integrated-weed-management-manual-section-6-profiles-of-common-weeds-of-cropping.pdf. Accessed: April 16, 2020Google Scholar
Karimmojeny, H, Rezvani, M, Zaefarian, F, Nikneshan, P (2014) Environmental and maternal factors affecting on oriental mustard (Sisymbrium orientale L.) and musk weed (Myagrum perfoliatum L.) seed germination. Braz J Bot 37:121–127 CrossRefGoogle Scholar
Kleemann, SGL, Chauhan, BS, Gill, GS (2007) Factors affecting seed germination of perennial wall rocket (Diplotaxis tenuifolia) in southern Australia. Weed Sci 55:481–485 CrossRefGoogle Scholar
Kleemann, SGL, Gill, GS (2013) Seed dormancy and seedling emergence in ripgut brome (Bromus diandrus) populations in southern Australia. Weed Sci 61:222–229 CrossRefGoogle Scholar
Koger, CH, Reddy, KN, Poston, DH (2004) Factors affecting seed germination, seedling emergence, and survival of texasweed (Caperonia palustris). Weed Sci 52:989–995 CrossRefGoogle Scholar
Llewellyn, RS, Ronning, D, Ouzman, J, Walker, S, Mayfield, A, Clarke, M (2016) Impact of Weeds on Australian Grain Production: The Cost of Weeds to Australian Grain Growers and the Adoption of Weed Management and Tillage Practices. Report for GRDC. Australia: CSIRO. 112 pGoogle Scholar
Mahajan, G, Matloob, A, Walsh, M, Chauhan, BS (2018a) Germination ecology of two Australian populations of African turnipweed (Sisymbrium thellungii). Weed Sci 66:752–757 CrossRefGoogle Scholar
Mahajan, G, Mutti, NK, Jha, P, Walsh, M, Chauhan, BS (2018b) Evaluation of dormancy breaking methods for enhanced germination in four biotypes of Brassica tournefortii . Sci Rep 8:1–8 CrossRefGoogle ScholarPubMed
Mahajan, G, Singh, S, Chauhan, BS (2012) Impact of climate change on weeds in the rice-wheat cropping system. Curr Sci 102:1254–1255 Google Scholar
Mahajan, G, Singh, R, Chauhan, BS (2020) Biology of Brassica tournefortii in the northern grains region of Australia. Crop Pasture Sci 71:268–277 CrossRefGoogle Scholar
Manalil, S, Ali, H, Chauhan, BS (2018) Germination ecology of turnip weed (Rapistrum rugosum (L.) All.) in the northern regions of Australia. PLoS ONE 13, 10.1371/journal.pone.0201023 Google Scholar
Michel, BE, Radcliffe, D (1995) A computer program relating solute potential to solution composition for five solutes. Agron J 87:126–130 CrossRefGoogle Scholar
Mobli, A, Chauhan, BS (2020) Crop residue retention suppresses seedling emergence and biomass of winter and summer Australian weed species. Weed Biol Manag 20:118–128 CrossRefGoogle Scholar
Opeña, JL, Chauhan, BS, Baltazar, AM (2014) Seed germination ecology of Echinochloa glabrescens and its implication for management in rice (Oryza sativa L.). PLoS ONE 9, 10.1371/journal.pone.0092261 CrossRefGoogle Scholar
Osten, VA, Walker, SR, Storrie, A, Widderick, M, Moylan, P, Robinson, GR, Galea, K (2007) Survey of weed flora and management relative to cropping practices in the north-eastern grain region of Australia. Aust J Exp Agric 47:57–70 CrossRefGoogle Scholar
Pekrun, C, Lutman, PJW, Baeumer, K (1997) Germination behaviour of dormant oilseed rape seeds in relation to temperature. Weed Res 37:419–431 CrossRefGoogle Scholar
Rengasamy, P (2002) Transient salinity and subsoil constraints to dryland farming in Australian sodic soils: an overview. Aust J Exp Agric 42:351–361 CrossRefGoogle Scholar
Rengasamy, P (2010) Soil processes affecting crop production in salt-affected soils. Funct Plant Biol 37:613–620 CrossRefGoogle Scholar
Rollin, P (1972) Phytochrome control of seed germination. Pages 229–257 in Mitrakos, K, Shropshire, W Jr, eds. Phytochrome. New York: Academic Google Scholar
Taylorson, RB (1987) Environmental and chemical manipulation of weed seed dormancy. Weed Sci 3:135–154 Google Scholar
Teasdale, JR, Beste, CE, Potts, WE (1991) Response of weeds to tillage and cover crop residue. Weed Sci 39:195–199 CrossRefGoogle Scholar
Thanos, CA, Georghiou, K, Douma, DJ, Marangaki, CJ (1991) Photoinhibition of seed germination in Mediterranean maritime plants. Ann Bot 68:469–475 CrossRefGoogle Scholar
[USDA] U.S. Department of Agriculture (2005) Noxious Weed List. Berkeley: University of California Press. 1400 pGoogle Scholar
Van de Wouw, M, Kik, C, Van Hintum, T, Van Treuren, R, Visser, B (2010) Genetic erosion in crops: concept, research results and challenges. Plant Genet Resour 8:1–15 CrossRefGoogle Scholar
Whish, JPM, Sindel, BM, Jessop, RS, Felton, WL (2002) The effect of row spacing and weed density on yield loss of chickpea. Aust J Exp 53:1335–1340 Google Scholar
Wu, H, Pratley, J, Lemerle, D, Haig, T (2001) Allelopathy in wheat (Triticum aestivum). Ann Appl Biol 139:1–9 CrossRefGoogle Scholar