These structures can be purchased from Koppert. This can be seen in the picture to the right. Following the same principle of a shade structure a grower [...] form an 'A' frame type of structure above the hive, as can be seen in the picture below. Then there are some growers that get creative and create many different
Koppert IPM app Biological control is much more effective if you have a clear picture of what is happening. You should establish whether the infestation is getting [...] counting regularly and keeping track of the results, you can maintain a good picture of whether the situation is improving or deteriorating. Pheromone traps
Jeremy goes into detail regarding the subsequent trials, and paints a picture of the work that still needs to be done with respect to rate, location,
closed flowers must have bite marks. The closed flowers provide a precise picture of the situation. Flowers that are open for longer than one day have between
had already undertaken to organize the event when Koppert came into the picture. As the biggest NGO on plant health, CABI represents much of the developing
dried-up flower petals to see if bruising is visible (figure 5 - first picture on the right). About 18-20 flowers per hectare must be checked per variety