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Q: Blue-gray-green blobs, 1-3" that look like paint spatters on many tree trunks are called Lichens. They are old, primitive tough moss like plants that survive heat/ humidity/cold with little impact. In regions where lichens historically were found but are decreasing, does that indicate an increase in air pollution levels in that area? Explain.
Q: Just by taking a walk outside, it's easy to spot epicormic growth on trees. What is epicormic growth, it's cause and can it be harmful to a tree. If so, what could be done to prevent damage?
Q: After a very wet late winter & continuing now into late spring, along with a summer predicted to bring the usual high temps & high humidity, this could mean that foliage on trees will start to show abnormal markings or spotting. There is 1 fungal disease which can brown leaf surfaces & cause foliage to be dropped prematurely, clog veins & root systems depending upon houw fast this occurs- can lead to decline or death of the tree. What is teh common name of this deadly fugus & is there a treatment?
Q: There are 4 main "right" times for pruning of a tree. One right time is storme damage or overhanging buildings, two is reducing potential disease, three is making a series of cuts to remove larger branches reducing potential for bark wounding (tearing at major connection of final cut) what is the fourth "right" to prune?
Q: Tree trunks, branches & twigs have 5 unique components: outside is bark, center is wood, xylem & phloem are vein-like & tansport nutrients like water & food & cambium is the 5th. What role does the cambium layer fulfill in the life of a tree?
Q: Many trees are in various stages of forming seeds. Seeds of all plants are either gymnospers or angiosperms. What is the difference between these types of seeds
Q: When planting a new tree, the tree is staked to provide stability until the root system gets established. This usually takes about one year after which the stakes are removed. When staking a tree, should stakes and wiring system hold the tree taunt preventing movement of the trunk? Explain your answer.
Q: A girdling root is a surface root near the trunk that crosses over the top of other roots and begins to encircle the tree trunk. One cause can be trees left growing in containers too long & the root growth doesn't spread out. Should girdling roots on a tree less than 10 years old be cut?
Q: The woody roots provide support, transport elements essential for healthy growth, and synthesize specific chemicals into useable compounds. Besides these three very important qualities are roots able to store energy/ food for use as needed by a tree?
Q: Many trees that are enjoyed in your landscape, city, state or National Park are native while others are others are labeled naturalized. What is the difference between a tree that is considered native and one that is considered naturalized
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