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Arable Farming
Cropping
Flea Beetle 2019
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<blockquote data-quote="Brisel" data-source="post: 6519631" data-attributes="member: 166"><p>When did you sow the buckwheat? Looks tidy <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite24" alt="(y)" title="Thumbs Up (y)" loading="lazy" data-shortname="(y)" /></p><p></p><p></p><p></p><p></p><p>The discussion amongst those who know more about CSFB than I do is as follows;</p><ul> <li data-xf-list-type="ul">Muck is good. It provides nutrition, holds moisture and the smell may mask the smell of glucosinolates that brassicas emit - that cabbage smell that attracts flea beetle.</li> <li data-xf-list-type="ul">If a field of osr volunteers smells better than a freshly sown one, they could stay there (remember where they originated from). Once they have settled on a field and fed for a few days, their wing muscles atrophy and the only way around is to hop. Not good for a new crop next to an osr stubble. If a swarm or flight of beetles has 10 fields to choose from, 5 new and 5 old stubbles, you halve your odds of damage in new crops. </li> <li data-xf-list-type="ul">The flea beetles can be fooled by camouflage - stubble, straw, cover crops, companion crops.</li> <li data-xf-list-type="ul">The best way to mitigate damage by grazing is to get the crop away quickly with plant food and retain moisture. Placed fertiliser and/or manure is best.</li> <li data-xf-list-type="ul">CSFB has a resting period around now where they have a short, almost hibernation period after which they will be on the move again. My stubbles and turnips have no fresh grazing either.</li> <li data-xf-list-type="ul">They will hide behind clods, so a fine firm seedbed is best practice and will also ensure a good environment for crop growth.</li> </ul><p>This is not an exhaustive list. </p><p></p><p>[USER=59028]@Zippy768[/USER] ploughed before his osr crop and had little trouble, so perhaps the ploughmen had a better growing medium, more seedbed moisture etc?</p></blockquote><p></p>
[QUOTE="Brisel, post: 6519631, member: 166"] When did you sow the buckwheat? Looks tidy (y) The discussion amongst those who know more about CSFB than I do is as follows; [LIST] [*]Muck is good. It provides nutrition, holds moisture and the smell may mask the smell of glucosinolates that brassicas emit - that cabbage smell that attracts flea beetle. [*]If a field of osr volunteers smells better than a freshly sown one, they could stay there (remember where they originated from). Once they have settled on a field and fed for a few days, their wing muscles atrophy and the only way around is to hop. Not good for a new crop next to an osr stubble. If a swarm or flight of beetles has 10 fields to choose from, 5 new and 5 old stubbles, you halve your odds of damage in new crops. [*]The flea beetles can be fooled by camouflage - stubble, straw, cover crops, companion crops. [*]The best way to mitigate damage by grazing is to get the crop away quickly with plant food and retain moisture. Placed fertiliser and/or manure is best. [*]CSFB has a resting period around now where they have a short, almost hibernation period after which they will be on the move again. My stubbles and turnips have no fresh grazing either. [*]They will hide behind clods, so a fine firm seedbed is best practice and will also ensure a good environment for crop growth. [/LIST] This is not an exhaustive list. [USER=59028]@Zippy768[/USER] ploughed before his osr crop and had little trouble, so perhaps the ploughmen had a better growing medium, more seedbed moisture etc? [/QUOTE]
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Flea Beetle 2019
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