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Q: 06-07-09 Tree-Via Question Galls are abnormal growth found on leaves, twigs, bark and roots of trees and or shrubs from oaks to roses to euonymus. Depending upon the cause this growth (gall) can be so small it is easily overlooked, or larger than a tennis ball. The cause can be insects, spider family members, bacteria or fungus, gall fungus in our region is: cedar-apple rust. Even plants can cause galls mistletoe is an example. Regionally there are 6 'bugs' that can cause galls 5 being; gall midges, gall flies, aphids, psyllids, and some mites. What is the 6th 'bug' that is commonly found to be the cause of galls inour region trees and shrubs?
Q: What are the two most common ways a systemic are applied to trees? (A systemic chemical travels thru the tree veins, very similar to people receiving a shot into an arm or swallowing a pill, & the medicine traveles throughout the entire body.)
Q: What is the greenish-yellow dust that comes from oak trees & is now covering most of the cars, patio furniture etc. at this time of year? What is this dust & what produces it?
Q: Do conifers flower? If so, is there a fruit that results from flower pollination? If so, what is that fruit called?
Q: When is the best time to prune blooming trees so that the tree has as many blooms as possible in the spring of 2010?
Q: Spring and summer storms in the midwest are known to produce a lot of lightening. Is there such a thing as lightening protection for trees & how does it work?
Q: Cool spring evenings are a great time for an outdoor fire. How should you store stockpiled firewood to gaurd against insects & diseases whoucl could be transported via the firewood invading living trees, shrubs & or wood structures?
Q: Hand pruners with by-pass scissor action are the best type for removing small twigs & branches no larger than the circmumfrance of your finger. Never twist the pruner back & forth as this causes fractures to the remaining branch. Medium size branches can removed with two types of non-power tools. One is a pruning saw & the other is?
Q: What does the term "limbing up" mean & where is the "collar" of a tree? Explain.
Q: Improper pruning/ incorrect pruning can harm a tree & the worst is severe topping. Topping accelerates tree decline. Topping severely reduces the number of leaves which causes an imbalance of the feeder roots to the number of leaves needed to help produce food (with the help of the sun). What is another problem caused by topping problem that is related to the veins that sit just below the bark? What is the bark problem called?
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