Fruit cultivation

SOLUTIONS FOR PROFESSIONAL FRUIT CULTIVATION

Are you an organic fruit grower or do you want to apply optimal resistance management as an integrated farm and minimize residues in your fruit? Then you have come to the right place! We offer you optimal alternatives to conventional chemical pesticides.

Our expert: Ulrich Tiemann

I will be happy to advise you on biological pest control in fruit growing

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Control codling moths

Codling moth larvae are the natural host of the species Steinernema feltiae and thus susceptible to nematodes. The problem is simply to bring nematodes and larvae together. This is best accomplished in the fall when the larvae are in hiding behind the bark. There, the nematodes also feel at home and can kill most of them within a few hours. This reduces egg laying in the spring by 50%. Consultants recommend treatment with nemapom® if infestation exceeds 1% at harvest.


nemapom® against codling moths

nemapom® is already effective at 10 °C. The ideal period of application is September and October. In most cases a whole-tree treatment is necessary. The trees should be wet when applied and should not dry overnight. Rain, drizzle, mist or dew after application will increase the effect. Temperatures must be above 10 °C for several hours after application. Temporary temperature drops, e.g. during the night, do no harm. nemapom® is also effective against the plum moth.

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Control apple sawflies

The apple sawfly has only one generation per year compared to the codling moth, but destroys 4-5 apples, which then fall. The adult wasps appear in late April / early May and feed on pollen. Their activity is highest when the sun intensity is the strongest, around noon. The females saw into the calyx with their ovipositor and lay one egg per flower. On average, they lay about 30 eggs.

The first damage is caused by the first larval stage, which eats directly under the skin of the small fruits. The apples grow and with them grows the scar, which is still clearly visible on the apples at harvest time. The second damage is caused by the second larval stage, which bores into several smaller fruits, thus inhibiting further development of the apples and causing the fruits to drop.

nemapom® is effective only against adult wasps and is applied to the ground at least one week before flight. The time of flight or application is determined with the help of the temperature sum (consult an adviser). Apply nemapom® (2 billion per hectare) only on well-moistened soil and spray with at least 1,000 liters of water per hectare. If the topsoil is dry, increase water application so that the moisture in the topsoil connects to moist, deeper soil horizons.

If the trunk is also treated up to a height of approx. 1 m, the overwintering larvae (fruit maggots) of codling moth are controlled at the same time. 

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nemapom® in professional use