If, in rare cases, the disease is severe, fungicides can be applied in spring before the tree buds.
Fungicides must be applied before the tree buds to be effective.
The tree buds and flowers looked as though they'd been frosted.
The thrips do their damage in the spring, boring into tree buds and sucking the juice from them.
However, it also consumes tree buds, maple sap, and berries.
Parks Department officials say they will wait to see if the tree buds this spring, then will try to collect penalties.
It feeds mostly on tree buds and weed seeds; geophagy has been observed in this species.
There, the thrips will enter tree buds and feed on leaf tissue.
The big problem in San Carlos is, apparently, deer-which eat all the rose shoots and the young tree buds.
Their growth begins the following spring, when the tree buds begin to develop.