30 September 2021
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Arable farmers must look for alternatives to chemical crop protection. This became clear again during the open days in early September at Delphy's Wijnandsrade experimental farm in South Limburg and research location Noordoost in Nieuw-Weerdinge, Drenthe. During one of the tours of the Wijnandsrade trial fields on 7 September, information coordinator Jurgen Maassen of the IRS knowledge and research center explained the leaf fungus control in sugar beet. There is an observation trial field there with 86 varieties in four repeats. These beets are not sprayed against leaf mold.
Maassen emphasized that the future of foliar fungus control depends mainly on which agents will or will not remain approved. According to him, green products can be a good alternative, but growers will have to start spraying earlier and more often in the season.
Agents with triazoles
'You can save a fungicide with this, especially if you re-spray after two or three weeks. It's important to keep working preventively with green agents as much as possible,' explains the IRS employee. 'Especially chemical agents with triazoles are under discussion. If these agents are no longer allowed, there won't be much left.'
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Source: New Harvest