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- W4376615178 abstract "Abstract Cowvine ( Ipomoea lonchophylla J.M.Black) is a native and widely spread summer broadleaf weed in Australia. It contains glycoresins which are toxic to livestock. However, limited information is available on seed germination ecology and growth phenology of this species. A series of experiments were conducted to determine the response of I. lonchophylla to different environmental conditions. Results showed that the primary dormancy exhibited by I. lonchophylla is due to the physical impediment of the hard seed coat. The seed germination percentage was the highest at the constant temperature of 27 o C and alternating temperatures of 35/25 o C. Germination of I. lonchophylla was not stimulated by light, suggesting that this species is non-photoblastic. I. lonchophylla germination was intolerant of a medium to high level of salt stress and germination was completely inhibited at 250 mM NaCl. The emergence of I. lonchophylla was not restricted by seeding depth up to 8 cm and only 5% emergence was recorded when seeds were planted at a 16 cm depth. The germination percentage was also drastically reduced by 90-100% after exposure to either three months in silage, 48-hour digestion in steers, or silage plus digestion treatments. The growth and reproductive phenology of I. lonchophylla was affected by emergence time. Plants that emerged in late spring (15 November) were able to produce more berries per plant than those that emerged in mid-summer (15 January) in southern NSW. Information gained in our study including high soil salinity, ensiling and digestion will help to develop more sustainable and effective integrated weed management strategies for the control and reduce the spread of this weed." @default.
- W4376615178 created "2023-05-17" @default.
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- W4376615178 date "2023-05-15" @default.
- W4376615178 modified "2023-09-23" @default.
- W4376615178 title "Germination ecology and growth phenology of cowvine (<i>Ipomoea lonchophylla</i>) as influenced by environmental parameters" @default.
- W4376615178 doi "https://doi.org/10.1017/wsc.2023.29" @default.
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