- Author: Elaine Lander
Recent rainfall and cool weather in many parts of the state are favorable for mushrooms that you may have been seeing in lawns. While they may be a surprising sight, mushroom-producing fungi are generally not considered to be a pest because most do not cause lawn diseases. Armillaria mushrooms indicate the presence of decaying tree roots below ground. Other mushrooms decompose underground organic matter and may be considered beneficial since they make nutrients available to lawns and other plants.
Mushrooms are the visible reproductive structures of some types of fungi. Picking or removing the structures can minimize the spread to a new site, but it won't kill the underground mycelia from which the mushrooms are growing....
The black fig fly is a new invasive species recently found in Southern California. It has been found in fig orchards in Los Angeles, Orange, Riverside, Santa Barbara, San Bernardino, San Diego, and Ventura counties. This small insect attacks only figs and prefers unripe or unpollinated fruit. The adult female lays eggs inside the fig (Figure 1). The larvae that hatch inside the fig damage the fruit by feeding on it (Figure 2). The larvae will make their way out of the fruit, drop to the soil and pupate. Some may pupate inside the fig.
What can you do?
To prevent the spread of this pest, don't move figs out of the counties known to have the black fig...
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With the cooler weather, gardening tasks may be slowing down some, but there are still plenty of things to do in the garden and landscape in the fall and winter months. Here are a few things to think about as you head into the next planting season. Follow the list to reduce future pest problems and have healthier plants.
Cleaning up
- Pull out annual plants that have reached the end of their growing season, such as tomatoes, squashes, and peppers.
- Remove and clean up old fruit and nuts in and under trees to avoid harboring pests and diseases.
- Remove fallen leaves from beneath deciduous fruit trees and roses.
- After cleaning up, add...