The advance of the spotted wing drosophila is now a fact. It has spread rapidly through Europe, as it has the rest of the world, attacking both ripe and immature fruit. Blackberries, cherries, grapes, raspberries, strawberries and blueberries are all susceptible to the fly. The larvae in the fruit make it unsaleable, which is bad news for fruit growers.
PlantoSys has developed an approach, tested by C. Baroffio, that works. This approach recommends the use of traps along with the removal of overripe fruit as the flies reproduce in rotting fruit. We have also developed several products that when combined strengthen the plant’s natural resistance to Drosophila suzukii: our Ds-mix. It results in a number of physiological changes that enable the plant to suppress the plague and the level of infection.
Apply ManZincum – a leaf fertiliser with a repellent effect on SWD, red spider mite and wasps
Ds-Lime, Cuprum and ManZincum, combined with traps.
|Period of application:||from first fruit/capture of first SWD to end of harvest|
|Interval:||every 7 days|
|Ds-Lime||175 gr/100 liter water|
|Cuprum||< 750 litres water/ha: 250 ml Cuprum/ha
> 750 litres water/ha: 350 ml Cuprum/ha
|ManZincum||< 750 litres water/ha: 750 ml ManZincum/ha
> 750 litres water/ha: 1 litre ManZincum/ha
|Amount of water/ha||Depending on production and spraying method: 350–1 000 litres water/ha|
Spray on dry crop – no dew – and during not too hot and sunny weather to prevent lime deposits on cherries, blackberries and redcurrants, which are more susceptible to this than strawberries, raspberries and blueberries. The instructions can therefore be followed less strictly for these crops.
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"We have been using SilicaPower weekly for 5 years now in the cultivation of Phalaenopsis. It's easy to administer and we see the effects."
Arne Steelandt, Microflor
The good advice I was given helped me to find the right combination of products. And with results.