Onion fly
is a frequent pest that harms allium plants, including leek, garlic, and onion crops. It is a small fly, measuring between 5 and 7 mm long, with a gra [...] from spreading and causing more harm. Biological control of onion fly with nematodes Biological control using nematodes can be an effective strategy to manage [...] well as a lot of wind otherwise the product dries up too quickly. So, spraying late in the afternoon will have the most effect. And yes, you can even spray