Tree health and Tree diagnosis

Landscape plants/Trees can be injured by biotic and abiotic agents. Abiotic or nonliving agents include environmental factors such as drought, Wet, Snow Physiological and other non-biological factors, such as insects, pathogens, nematodes, parasitic plants such as figs, Mistletoes and ivy and Viruses. Most of these problems are soil related abiotic disorders such as water deficits, aeration deficits (Soil compaction) nutritional deficiencies, specific ion toxicities, pH related problems and herbicide injury. Whether the cause is biotic, abiotic or both an accurate diagnosis is almost always needed to remedy the ailment. Some Symptoms signs could be twig die back, small or sparse leaf foliage and dropping leaves, too much or small flowers. If left to late the tree will die