- Author: Karey Windbiel-Rojas
October is a perfect time to talk about spiders! People decorate for Halloween with scary images of spiders and webs. Many people fear spiders but what you may not know is that they are helpful in our homes and landscapes.
Spiders you might find wandering in your home or hanging out in your garden are beneficial predators, eating pest insects like flies, mosquitoes, and numerous other undesirable bugs in and around landscapes.
Whether you are curious as to what kind of spider you found or you are looking for ways to get rid of them, UC IPM has the information you need in the newly revised free publication, Pest Notes: Spiders. Author...
- Author: Belinda J. Messenger-Sikes
- Author: Karey Windbiel-Rojas
- Author: Elaine Lander
Sooty mold is a black fungal growth that looks like a layer of soot covering the leaves of a plant or a sidewalk. The aptly named disease is common in gardens and landscapes, appearing wherever a large infestation of plant-sucking insects are found. Sooty mold grows on honeydew, a sticky substance excreted by plant-sucking insects.
While sooty mold doesn't actually damage plants or other surfaces, a thick growth of the fungus can block light to plant leaves, reducing photosynthesis. This can lead to stunted growth and premature leaf drop.
The key to reducing sooty mold is management of honeydew-producing insects,...
- Author: Elaine Lander
If you are growing tomatoes in your garden, you may not be the only vertebrate going for your hard earned harvest. Are rats feasting away in the garden? We have a couple resources we can share to help you reduce or prevent rat damage to your tomatoes.
Integrated Pest Management for Rats
- Our Pest Notes: Rats has information to help you with identification, biology and IPM options.
- This blog post provides additional information on using snap traps to catch rats and mice.
- If you are managing a school or community garden, you can...
As you practice social distancing during COVID-19, you may find yourself spending more time in the garden. As we move into nice weather, we are sharing a few gardening tips for pest management.
Powdery Mildew
Check for signs of powdery mildew on fruit trees, landscape ornamentals, and vegetables. Symptoms can vary by plant species but common symptoms include white powdery spots developing on both sides of the leaf, leaves that turn yellow or brown and fall off, twisting and distortion of leaves and shoot. Prune out small infestations and remove infected material to reduce spread.
For more on this...
As you practice social distancing during COVID-19, you may find yourself spending more time in the garden. As we move into nice weather, we are sharing a few gardening tips for pest management.
Fertilizing
Now is the time to fertilize caneberries, citrus, fruit trees, palms, and heavily-flowering shrubs with slow release products. Maintaining good fertilization can keep your plants vigorous and help prevent pest problems.
Read more about plant-specific fertilization information on our website and see our other April gardening tips on
