柑桔幼树,特别是新栽幼树,抗寒能力较低,在冬季土壤水分不足,气温又低的情况下,极易遭受冻害。一般引起枝叶干枯,严重时主干出现裂皮,甚至逐渐枯死。但是,冻害发生后只要及时采取挽救措施,用薄膜包扎树干裂口,是可以大大减少冻害损失的。 Saplings of young oranges, especially newly planted saplings, have low cold resistance and are vulnerable to frost damage due to insufficient soil moisture in winter and low temperatures. Leaves and leaves are generally caused by dry, dry trunk appears serious, and even gradually dead. However, as long as the frost damage took prompt measures to save, the use of thin film bandage stem cracking, can greatly reduce the loss of frost damage.