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Posts Tagged: tree

Don't Move Firewood!

Don't Move Firewood!

[From the Summer issue of the UC IPM Retail Nursery & Garden Center News] When you use firewood in the great outdoors, be aware that moving firewood can transport tree-killing insects and diseases. Find out more at the following...

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Don't Move Firewood!

Don't Move Firewood!
Don't Move Firewood!

Don't Move Firewood!

Posted on Thursday, August 23, 2018 at 10:00 PM
Tags: burn (1), California (1), exotic (1), firewood (1), invasive (1), oak mortality task force (1), pests (2), tree (12), UC IPM (10)
Focus Area Tags: Pest Management

Redhumped Caterpillar Publication Revised

Two redhumped caterpillar larvae on a plum branch. (Photo: Belinda Messenger-Sikes)

The redhumped caterpillar is a familiar pest on fruit and nut trees such as plum, almond, cherry, and apple, as well as on ornamental trees like liquidambar and birch. It can reach high populations in California's Central Valley, sometimes defoliating...

Posted on Tuesday, January 9, 2018 at 6:08 PM
Tags: defoliate (1), Dreistadt (1), pest (4), Pest Notes (2), redhumped caterpillar (1), Symmes (1), tree (12), UC IPM (10)
Focus Area Tags: Pest Management Yard & Garden

Pruning Trees in Winter

Pruning a tree. (Photo: Pixabay)

Winter is an ideal time to prune deciduous fruit and shade trees, since the trees are dormant and you can more easily see the tree canopy. In many cases, pruning can also help prevent or control certain insect and disease problems. For help with...

Posted on Wednesday, January 3, 2018 at 4:41 PM
Tags: apricot (1), cherry (1), disease (3), dormant (1), environmental disorders (2), fruit (1), pest (4), prune (1), pruning (2), tree (12), trees (2), UC IPM (10), winter (1)
Focus Area Tags: Pest Management Yard & Garden

Pine Tree Pests

Round swellings on pine terminals infected by western gall rust. (Arthur H. McCain)

This time of year, deciduous trees go dormant, and evergreen trees such as pine are more visible in the landscape. Pine trees, like other plants, can suffer from attack by pests, whether on your property or in our forested areas in California. Pine...

Posted on Monday, December 11, 2017 at 1:29 PM
Tags: diseases (1), drought (3), environmental disorders (2), insects (1), mortality (1), pests (2), pine (2), tree (12), UC IPM (10)

Riverside tree found infected with citrus greening disease

The tiny Asian citrus psyllid can transmit the deadly disease, huanglongbing (citrus greening).

The California Department of Food and Agriculture (CDFA) and the United States Department of Agriculture (USDA) have confirmed the detection of the citrus disease known as Huanglongbing (HLB), or citrus greening, in Riverside County. The disease was...

The tiny Asian citrus psyllid can transmit the deadly disease, huanglongbing (citrus greening).
The tiny Asian citrus psyllid can transmit the deadly disease, huanglongbing (citrus greening).

The tiny Asian citrus psyllid can transmit the deadly disease, huanglongbing (citrus greening).

Posted on Wednesday, July 26, 2017 at 4:11 PM
Tags: ACP (2), Asian citrus psylld (1), citrus (2), disease (3), HLB (2), huanglongbing (2), pest (4), Riverside (1), tree (12), UC IPM (10)

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