from English Grammar Today. Efficient and effective are adjectives. We use efficient to describe something or someone that works in a quick and organised way: The new online banking system offers a convenient and efficient way to check your account. [extract from a reference for someone applying for a job]
Main Disease. Oak wilt is caused by the fungus Ceratocystis fagacearum which develops in the outer sapwood of the tree. The infected tree reacts by developing tyloses and gums which subsequently restrict the flow of water and nutrients in affected vascular tissues with the result that the tree wilts and subsequently dies (French & Stienstra, 1980). Host Range.
In the summer months, pruning oak trees can attract small beetles that spread oak wilt fungus disease. If you don't prune your oak trees between April and October, you can prevent your oaks from getting this disease. Prune your oak tree first for safety reasons, then for the health of the tree.Remove branches that are growing too low or could potentially break and hurt someone, as well as branches that are in the way of another branch. Any weak branches should be removed, including branches that are dying or dead.rune your oak tree first for safety reasons, then for the health of the tree. Remove branches that are growing too low or could potentially break and hurt someone, as well as branches that are in the way of another branch. Any weak branches should be removed, including branches that are dying or dead.