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Arable Farming
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Glyphosate alternative?
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<blockquote data-quote="Old McDonald" data-source="post: 7002042" data-attributes="member: 47276"><p>My wife reminded me that the last time she tried to identify the problem plant she found one that appeared similar to it and also the less problematic one but decided against it as it did not really match either.</p><p></p><p>She has done more research this afternoon including examining some growing plants in the field and confirms the nearest she can find, but still deciding against it, is <em>Conyza Canadensis </em>aka<em> Erigeron Canadensis. </em>Anybody sufficiently interested can check it out on the internet. It will be seen to take two forms – a more branched and shorter earlier flowering type and a taller non-flowering (perhaps late flowering) type. We think they are different plants, but could easily be wrong of course and it is just the one weed, merely appearing somewhat different on our property. In particular the flowers do not open in the way it is shown in photographs but remain closed until forming the “dandelion clock” type of seed head.</p><p></p><p>What is most interesting is that it was allegedly the first plant in USA to show glyphosate resistance back in 2001. Anybody have experience of this <em>C./E. Canadensis?</em></p><p></p><p>In the US it is suggested to use 2,4-D or Dicamba against it. Also it becomes a major problem in no-till management. A quick search and I cannot find Dicamba available here. I will ask my supplier. I understand it has been banned in the US. I think life is going to become more difficult for us in the future.</p></blockquote><p></p>
[QUOTE="Old McDonald, post: 7002042, member: 47276"] My wife reminded me that the last time she tried to identify the problem plant she found one that appeared similar to it and also the less problematic one but decided against it as it did not really match either. She has done more research this afternoon including examining some growing plants in the field and confirms the nearest she can find, but still deciding against it, is [I]Conyza Canadensis [/I]aka[I] Erigeron Canadensis. [/I]Anybody sufficiently interested can check it out on the internet. It will be seen to take two forms – a more branched and shorter earlier flowering type and a taller non-flowering (perhaps late flowering) type. We think they are different plants, but could easily be wrong of course and it is just the one weed, merely appearing somewhat different on our property. In particular the flowers do not open in the way it is shown in photographs but remain closed until forming the “dandelion clock” type of seed head. What is most interesting is that it was allegedly the first plant in USA to show glyphosate resistance back in 2001. Anybody have experience of this [I]C./E. Canadensis?[/I] In the US it is suggested to use 2,4-D or Dicamba against it. Also it becomes a major problem in no-till management. A quick search and I cannot find Dicamba available here. I will ask my supplier. I understand it has been banned in the US. I think life is going to become more difficult for us in the future. [/QUOTE]
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Glyphosate alternative?
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