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30/04/2008 14:51:42
Extra yield from Filan, with or without disease
The late season oilseed rape fungicide Filan has been shown to produce an average extra yield of 0.25 t/ha even in the absence of disease and will be an economically viable treatment whatever the Sclerotinia risk, says BASF.
"A flowering fungicide in oilseed rape is applied to prevent a number of yield-damaging diseases including Sclerotinia and Alternaria. But one particular fungicide not only offers the best control of these diseases, it also provides additional physiological effects that add to yield and quality, even in the absence of disease," says Clare Tucker, Agronomy Manager for BASF.
"Yield in absence of disease was demonstrated at ADAS High Mowthorpe last year where there was no Sclerotinia, but 0.5 kg/ha Filan was the only product to add a significant yield increase of 0.25 t/ha to an already respectable untreated yield of 3.8 t/ha. With the current high price of oilseed rape, such bonus effects are well worthwhile," she says.
"Filan (boscalid) has been scientifically proven to display strong physiological effects, certainly stronger than any competition. It increases chlorophyll and nitrogen content in the pods, which increases the crops' potential to use sunlight more efficiently and improves photosynthesis. Secondly it reduces ethylene production. Ethylene is produced by plants in response to stress such as lack of water and can initiate early senescence, reduced pod filling and premature ripening. Being a poor rooter, oilseed rape is prone to water stress during the critical pod-filling stage," says Ms. Tucker.
Clare explains that boscalid has been shown to stimulate the plants' own defence mechanisms. "Independent research from ADAS has demonstrated that boscalid increases plant resistance to viral, bacterial and fungal diseases which are themselves not directly controlled by the fungicide. Various disease complexes can cause early senescence, particularly when oilseed rape is becoming more common in the rotation."
"Other fungicides claim some physiological effects, but Filan offers the whole package with much better and broader disease control and much stronger and more diverse physiological effects, leading to a better crop all round. It makes sense to pick a product that is likely to give a positive margin over input cost whatever the disease situation," points out Ms. Tucker.
"Yield in oilseed rape is determined by seed number and seed size. Seed number depends upon an open optimum-sized canopy that intercepts the maximum amount of light, created by growth regulation with Caramba (metconazole) plus fertiliser management. Filan has an influence later on where seed size is maximized by keeping the canopy green, healthy and actively photosynthesizing for as long as possible. Plant physiologists have shown that the oil is laid down late in the last 20 days of seed fill in late June," explains Clare Tucker.
Background Notes - Filan contains 50% w/w boscalid, formulated as a water dispersible granule, packed in a 2.5 kg pack. It is recommended in oilseed rape for the control of Sclerotinia and Alternaria. It is a protectant and systemic fungicide. It is recommended in high disease risk situations at early to full flowering (BBCH Growth Stage 63-65) at a dose rate of 0.5 kg/ha. It has no LERAP.
For further comment and information please contact;Clare Tucker, BASF on 07768 687707 (mobile)
"A flowering fungicide in oilseed rape is applied to prevent a number of yield-damaging diseases including Sclerotinia and Alternaria. But one particular fungicide not only offers the best control of these diseases, it also provides additional physiological effects that add to yield and quality, even in the absence of disease," says Clare Tucker, Agronomy Manager for BASF.
"Yield in absence of disease was demonstrated at ADAS High Mowthorpe last year where there was no Sclerotinia, but 0.5 kg/ha Filan was the only product to add a significant yield increase of 0.25 t/ha to an already respectable untreated yield of 3.8 t/ha. With the current high price of oilseed rape, such bonus effects are well worthwhile," she says.
"Filan (boscalid) has been scientifically proven to display strong physiological effects, certainly stronger than any competition. It increases chlorophyll and nitrogen content in the pods, which increases the crops' potential to use sunlight more efficiently and improves photosynthesis. Secondly it reduces ethylene production. Ethylene is produced by plants in response to stress such as lack of water and can initiate early senescence, reduced pod filling and premature ripening. Being a poor rooter, oilseed rape is prone to water stress during the critical pod-filling stage," says Ms. Tucker.
Clare explains that boscalid has been shown to stimulate the plants' own defence mechanisms. "Independent research from ADAS has demonstrated that boscalid increases plant resistance to viral, bacterial and fungal diseases which are themselves not directly controlled by the fungicide. Various disease complexes can cause early senescence, particularly when oilseed rape is becoming more common in the rotation."
"Other fungicides claim some physiological effects, but Filan offers the whole package with much better and broader disease control and much stronger and more diverse physiological effects, leading to a better crop all round. It makes sense to pick a product that is likely to give a positive margin over input cost whatever the disease situation," points out Ms. Tucker.
"Yield in oilseed rape is determined by seed number and seed size. Seed number depends upon an open optimum-sized canopy that intercepts the maximum amount of light, created by growth regulation with Caramba (metconazole) plus fertiliser management. Filan has an influence later on where seed size is maximized by keeping the canopy green, healthy and actively photosynthesizing for as long as possible. Plant physiologists have shown that the oil is laid down late in the last 20 days of seed fill in late June," explains Clare Tucker.
Background Notes - Filan contains 50% w/w boscalid, formulated as a water dispersible granule, packed in a 2.5 kg pack. It is recommended in oilseed rape for the control of Sclerotinia and Alternaria. It is a protectant and systemic fungicide. It is recommended in high disease risk situations at early to full flowering (BBCH Growth Stage 63-65) at a dose rate of 0.5 kg/ha. It has no LERAP.
For further comment and information please contact;Clare Tucker, BASF on 07768 687707 (mobile)
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