辣（甜）椒在生长过程中如果缺少钙元素，会引起脐腐病和幼叶边缘黑褐，植株生长不良、萎缩。 一、症状 脐腐病又称顶腐病。发病初期，果实顶部产生水浸状暗绿色斑点，随后扩大至２－３ ｃｍ乃至半个果实，并皱缩凹陷。在潮湿条件下，病部常因感染杂菌而变黑腐烂。 脐腐病属生 Spicy (sweet) pepper in the growth process if the lack of calcium, can cause umbilical rot and young leaves edge dark brown, poor plant growth, atrophy. First, the symptoms of umbilical rot, also known as top rot. Early onset, the top of the fruit produces a flooding-like dark green spots, then widened to 2-3 cm or even half a fruit, and shrinkage depression. In wet conditions, the disease often infected with bacteria and become black rot. Umbilical rot disease is born