衰老死亡,这是一切生物的必然规律。油茶和其它植物一样,当外界生态因子如光、土壤养分、水分等不能满足植物本身生长发育需要时,内部营养物质的积累就要起变化,引起生理失调;外部形态上表现出枝枯、叶黄、落叶、花果不生等症状。这种症状的发生,就是油茶已经进入衰老期。衰老分自然衰老和早期 Aging death, which is the inevitable law of all living things. Camellia and other plants, such as external ecological factors such as light, soil nutrients, water and other plants can not meet the needs of their own growth and development, the accumulation of internal nutrients will have to change, causing physiological disorders; external morphology showed dry branches, leaves Yellow, deciduous, flowers and other non-health and other symptoms. The occurrence of this symptom is that Camellia has entered the aging period. Senescence points to natural aging and early