Before hiking, backpacking, or camping, people are warned to avoid poison oak. But what should you do if you find it growing on property that you own or manage?
Careful removal of poison oak is essential, since many people are allergic to it and can develop skin rashes when they come in contact with it. Effective poison oak removal can be achieved through a combination of control methods. Hand pull or use a shovel or pick to remove the entire plant, including the roots. The best time to remove poison oak is early spring or late fall when soil is more likely to be moist.
When removing poison oak, wear protective clothing, including washable cotton gloves over plastic gloves. Wash all clothing thoroughly, including shoes,...
[From the Spring issue of the UC IPM Green Bulletin]
Argentine ants can be a damaging ant pest species in both agricultural and urban environments in California. Outdoors, they disrupt biological control by tending honeydew-producing pests and protecting them from natural enemies. Argentine ants are also common invaders of urban residential settings, making them the nuisance ant species most often treated by pest management professionals (PMPs).
Contact insecticide sprays are frequently used control options for Argentine ants due to practical advantages, such as easy application and.../span>
- Author: Janet Hartin
[From the Spring issue of the UC IPM Retail Nursery & Garden Center News]
Most disorders impacting landscape trees result from abiotic (non-living) disorders rather than attacks from biotic (living) pests like plant pathogens, insects, and vertebrates. Damage caused by abiotic and biotic disorders can appear similar, making diagnosis difficult at times. For example, discolored leaves on a Ficus nitida tree could be due to drought stress, a fungus, or a nutrient toxicity or.../span>