Are the cedar leaves yellow and do small bumps cover the stems and leaves?
This may be scales caused by insects that feed on the undersides of leaves. This results in an unhealthy appearance, with yellowish bumps on the upper sides of leaves. In minor cases, you can use your fingernail to scrape off the scale. You should also prune away areas that are heavily infested or use a soft brush and soapy water to remove any scales that are on the stems. Before growth begins in the fall, consider applying a dormant oil spray to the branches and trunk. During the growing season, use a superior oil. I would like information on the environmental effect of Bacillus thuringiensis (BT), which is used to control pest insects, such as caterpillars or mosquitoes. If these “pests” are removed, what happens to the birds that normally feed on them? Are they eliminated as well? Bacillus thuringiensis (BT) is a naturally occurring bacterium that is used mostly against caterpillars. BT affects insects only in the larval stage. The larvae ingest the toxin that then kills them. BT is
