Spotted Wing Drosophila, a well-known pest that infests ripe, ready-to-eat fruit, poses a significant threat to farmers because it is very difficult to control with standard pesticides. A new approach to tackling this pest involves manipulating the behavior of these insects by disguising healthy fruit as if it were infected with an unappealing pathogen.
By studying the specific odors emitted by infected fruit, researchers have identified the chemicals that repel the flies when applied to healthy fruit and are developing a slow-release device to disperse these fruity odors in the field, ensuring that they do not come into direct contact with the fruit. This method provides a new tool to help farmers protect their crops without relying exclusively on insecticides.
"We are trying to understand how X-disease pathogen exploits the grasshopper to facilitate its life cycle," said William Walker, USDA geneticist. "This could provide us with forms of disruption, such as biopesticides, to halt the insect's life cycle."
The invasive Drosophila suzukii is a devastating pest for small fruit, stone fruit and grape crops. An antagonist will now be released in Switzerland for the first time by Agroscope and CABI. Experimental releases are planned in the cantons of Jura and Ticino.
A study in Turkey analyzed the impact of copper oxide nanoparticles (CuO-NPs) on sweet cherry (Prunus avium) germination and growth. Results revealed dose-dependent effects and population variability, relevant for reforestation in polluted forest areas.
Discover how to increase marginal profit in cherry production by reducing labor costs, optimizing pruning, and choosing the right training systems. Expert insights from Chilean agronomist Óscar Carrasco to improve productivity and orchard profitability.