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Arable Farming
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Bees: Pesticide restrictions must be extended to wheat - new Friends of the Earth report
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<blockquote data-quote="shakerator" data-source="post: 3349360" data-attributes="member: 955"><p>In the vast majority of cases reacting to pest/disease pressures rather than preventive measures results in considerable financial loss. I agree this is not an ideal situation but its the reality of commodity production. This is largely due to a combination of simple economics and pest resistance rendering "curative activity" unobtainable in products.. I know of no farmer who routinely dresses redigo deter for the fun of it- the margins arent there to do it. Most years, the window to drill a cereal crop and get away without any insecticidal programme is tiny. Deter would save 1 pyrethroid, possibly 2 most years. Having the tool of deter allows me to let stubbles green up, and allow some degree of natural regeneration before the crop is planted, providing habitat for all sorts of bird and soil life. Without- you would be looking at clean tillage- or an early glyphosate spray leaving a barron stubble to stop the "green bridge" movement of aphids attacking young crops.</p><p></p><p>I also think myzus persicae deserve special mention as they infest such a wide range of crops, and we have no other useful method of control bar the neonics.</p><p></p><p>I agree we can look at other avenues of what makes crops attractive to pests such as nutrient balance in plant tissue sap, crop breeding for salicylic acid and other immune compounds that allow plant recovery we see from wild grasses etc. This is outside the box thinking, and whilst i like to experiment here and there, i dont think you can expect farmer led pioneering in this domain on any grand scale.</p><p></p><p>p.s. i fully support the removal of many pesticides like gramoxone, dursban/ dimethoate, MBC etc often due to mammalian toxicity......but of what i have seen the evidence on neonics bees is very very mixed in field studies.</p></blockquote><p></p>
[QUOTE="shakerator, post: 3349360, member: 955"] In the vast majority of cases reacting to pest/disease pressures rather than preventive measures results in considerable financial loss. I agree this is not an ideal situation but its the reality of commodity production. This is largely due to a combination of simple economics and pest resistance rendering "curative activity" unobtainable in products.. I know of no farmer who routinely dresses redigo deter for the fun of it- the margins arent there to do it. Most years, the window to drill a cereal crop and get away without any insecticidal programme is tiny. Deter would save 1 pyrethroid, possibly 2 most years. Having the tool of deter allows me to let stubbles green up, and allow some degree of natural regeneration before the crop is planted, providing habitat for all sorts of bird and soil life. Without- you would be looking at clean tillage- or an early glyphosate spray leaving a barron stubble to stop the "green bridge" movement of aphids attacking young crops. I also think myzus persicae deserve special mention as they infest such a wide range of crops, and we have no other useful method of control bar the neonics. I agree we can look at other avenues of what makes crops attractive to pests such as nutrient balance in plant tissue sap, crop breeding for salicylic acid and other immune compounds that allow plant recovery we see from wild grasses etc. This is outside the box thinking, and whilst i like to experiment here and there, i dont think you can expect farmer led pioneering in this domain on any grand scale. p.s. i fully support the removal of many pesticides like gramoxone, dursban/ dimethoate, MBC etc often due to mammalian toxicity......but of what i have seen the evidence on neonics bees is very very mixed in field studies. [/QUOTE]
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Bees: Pesticide restrictions must be extended to wheat - new Friends of the Earth report
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